Release Notes :: Kloudfuse Docs

Release Notes

Table of Contents

This page documents the features, enhancements, and fixes included in each Kloudfuse platform release.

4.2.2 (Latest)

July 19, 2026

This release delivers bug fixes for log ingestion stability, FuseQL and LogQL query correctness, dashboards, LogsV2, metrics cardinality, and scheduled searches. It also extends Kubernetes object collection and the MCP server tool surface.

Additionally, we fixed a number of issues. See the bugs we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 4.2.2.

Log Ingestion

GCP Pub/Sub Multiple Subscriptions

The GCP Pub/Sub integration supports multiple subscriptions.

Logs Query

New fillmissing Operator

FuseQL adds a fillmissing operator that fills gaps in query results. You can generate missing time buckets with timeslice, or missing label values with values(…​) or values all, and supply per-field defaults with with <value> for <field>.

Cloud Integrations

Azure Metrics Resource-Type Selection

Azure metrics collection is now opt-in per resource type: you select the Azure resource types to scrape from a Kloudfuse-maintained catalog in your values YAML, and add a custom section to define scrape jobs for resource types not yet in the catalog.

See Select the Resource Types to Collect

Kubernetes Monitoring

Additional Kubernetes Object Types

Kloudfuse now collects ConfigMap, StorageClass, IngressClass, Gateway, GatewayClass, and HTTPRoute objects. ConfigMap is queryable through the MCP infrastructure tools; it is not yet surfaced in the Kubernetes UI.

MCP Server

FuseQL Log Querying

FuseQL log querying is now the default logs experience in the MCP server, replacing the LogQL search_logs tool on the default tool surface. FuseQL language documentation is also served through MCP.

New MCP Tools

The MCP server adds get_apm_service_nodes, which returns the Kubernetes nodes that served traffic for an APM service over a time window, and search_log_fingerprints, which searches log fingerprints and their patterns.

Structured Prometheus Responses

The query_prometheus, search_prometheus_label_names, and search_prometheus_label_values tools return parsed objects rather than encoded strings, removing a decoding step for clients.

4.2.1

June 17, 2026

This release delivers targeted bug fixes across FuseQL, LogsV2, dashboards, APM, scheduled searches, and logs ingestion stability.

Additionally, we fixed a number of issues. See the bugs we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 4.2.1.

4.2.0

June 1, 2026

This release introduces metric shaping rules and derived metrics, a new scheduled search feature, an improved and unified logs experience, a high-performance and scalable archive writer, and new query scheduling controls.

Additionally, we fixed a number of issues. See the bugs we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 4.2.0.

Metrics

Metric Shaping Rules

You can now reduce a high-cardinality metric’s series count by aggregating it down to the labels you actually query, and store the result as a new recorded metric. Dashboards and alerts read the smaller shaped metric instead of the full-cardinality metric, so they run faster and cost less. The original metric is always dropped.

Derived Metrics

You can now precompute a PromQL expression on a fixed interval and store the result as a brand-new metric that dashboards and alerts can query directly. Expensive aggregations and histogram percentiles become cheap to read, and the original source series are always preserved.

Logs

Logs V2

A new, improved, and unified Logs experience, now enabled by default, that resolves the minor issues and inconsistencies in the previous Logs experience for a more consistent and reliable workflow.

Scheduled Searches

Scheduled Searches

Save a log query and run it automatically on a planned schedule, with results delivered as an email or written to a lookup table. Email delivery includes a preview of the result table and attaches the full results as a CSV; lookup-table delivery can either merge with the existing table or replace it completely. Results are delivered at each scheduled tick when the configured conditions or thresholds are met. Scheduled searches follow folder RBAC rules, so anyone with the appropriate folder permissions can create, edit, delete, pause, and resume them.

Query Scheduling

Blocked Query Priority and Fair Scheduling

We have improved query scheduling, first introduced in 4.1.0. A new blocked query priority lets administrators fully deny queries from a specific user, group, or service account; blocked queries are rejected instead of being delayed or queued. Query scheduling now round-robins across distinct callers within each priority tier, so a single noisy user can no longer crowd out others at the same priority.

Archive

Archive Writer

A new high-performance and scalable archive writer is now available. It can be turned on or off as needed for your deployment.

4.1.0

May 6, 2026

This release introduces user-facing auth-key management, query scheduling controls, RUM and APM cross-navigation, MCP server improvements, and an experimental refresh of the Logs experience powered by FuseQL.

Additionally, we fixed a number of issues. See the bugs we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 4.1.0.

Metrics

Metrics Summary in Explorer

The Metrics Summary view can now be opened directly in the Metrics Explorer, with iconified header controls, an overall cardinality indicator, and a Clear filters action.

Dashboards

Canvas-Native Dashboard PDF Export

Dashboard PDF export now uses canvas-native rendering for higher-fidelity output and consistent layout across panels.

User Interface

Table Header Tooltip and Copy

Table headers in query results now expose a tooltip and copy button so column names can be copied to the clipboard.

Auth Keys

Auth Key Management

Administrators can now create, view, label, and manage auth keys directly from the UI, with new auth-key APIs and label support across the backend. Auth-key expiration is interpreted as local end-of-day with the active timezone shown alongside the value. See Ingestion Authentication with API Key.

Query Scheduling

Query Interleaving

Pinot segment workers now continuously pull and process individual segments from a shared scheduler instead of being dedicated to a single query for its full lifetime. Work from concurrent queries is interleaved across the worker pool, so small queries no longer wait behind large queries' segment scans. Enabled by default in 4.1.0; see Query Interleaving.

Query Priority Controls

Per-user and per-service-account query priorities can now be configured from the admin UI, with priority and timeout APIs available for users and service accounts. Priority is propagated end-to-end into the query path so high-priority workloads are scheduled ahead of background queries. See Query Priorities.

RUM and APM

RUM to Trace Cross-Navigation

Traces and RUM events are now linked end-to-end. New tabs surface RUM and Trace context side by side, an optional column lists resources that have associated traces, and the ingester recognizes the latest browser SDK trace headers so the linkage works for newly captured sessions. See Connect RUM and Traces.

MCP

Kloudfuse MCP Improvements

The Kloudfuse MCP server gains per-connection toolset selection (via ?toolsets=), a redesigned alerts toolset, typed Pydantic filters across logs, events, infrastructure, RUM, and APM tools, a docs search and retrieval toolset, and a verb-first naming convention across all tools. A Prometheus /metrics endpoint and scrape annotations make the server self-observable.

Infrastructure

EnableDebugPlayground Flag

A new top-level umbrella flag (default true) controls whether per-service GraphQL playground UIs are exposed at /debug/<service>/playground. Disable the flag in custom_values.yaml for hardened or production deployments where the playgrounds should not be reachable:

global:
  EnableDebugPlayground: false

yamlCopied!

Logs

Logs V2 (Experimental)

A major refresh of the logs experience, with a redesigned logs tab, a FuseQL-powered logs API across the platform, and a refreshed analytics surface. Logs V2 is available as an experimental experience in 4.1.0 and can be enabled on request — contact Kloudfuse support to opt your tenant in.

FuseQL Enhancements

FuseQL now supports a topk operator, math expressions inside if(…​) value branches, and _view references in where and if predicates.

4.0.2

April 22, 2026

This patch release includes performance improvements to Pinot segment preload, a new parseDate FuseQL function, and several customer-impacting bug fixes across the UI, ingestion, query, and security layers.

Additionally, we fixed a number of issues. See the bugs we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 4.0.2.

Infrastructure

Faster Segment Preload

Pinot servers now preload segment metadata 2.6–2.8× faster using a native properties parser, reducing restart and rolling-upgrade time on servers with tens of thousands of segments.

FuseQL

parseDate Function

Added a new parseDate(dateString, pattern[, timezone]) FuseQL function that converts date strings to epoch milliseconds. The function is pushed down to Pinot when supported, with a Go-evaluator fallback for ISO 8601 offset patterns. Defaults to UTC when a timezone is not specified.

4.0.1

April 10, 2026

This patch release includes bug fixes for logs, alerts, metrics, APM, and ingestion.

See the issues we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 4.0.1.

Logs

Log Query Service Stability

Fixed a crash in the log query service when running certain types of queries.

Lookup Table Preview

Fixed a crash when previewing lookup table results.

FuseQL concat() Function

Fixed the concat() function in FuseQL to correctly concatenate string values.

Metrics

Anomaly Forecast Bounds

Fixed an issue where anomaly forecast bounds were not displayed in the Metrics Explorer when querying a metric without an aggregation function.

Metrics Explorer Formula Stats

Fixed an issue where the Metrics Explorer did not display query statistics when using formula-only queries.

Alerts

Contact Points Scrolling

Fixed an issue where the contact points configuration table did not scroll properly when a contact point had many email recipients.

APM

Trace Heatmap

Fixed an issue where the trace heatmap did not render.

Ingestion

OpenTelemetry Collector Configuration

OpenTelemetry Collectors can now be configured with a single HTTP endpoint instead of requiring separate endpoint URLs for metrics, traces, and logs.

Security

AWS SDK CVE Fixes

Upgraded the ingester service from AWS SDK v1 to v2 to address CVE-2020-8911 and CVE-2020-8912.

4.0.0

March 26, 2026

This major release introduces unique log IDs for deterministic sorting and downloads, Envoy Gateway support as an alternative ingress controller, FIPS 140-3 compliance with STIG hardening, faster parallel log hydration, log query performance improvements, SLO versioning, and dashboard and alert improvements.

Additionally, we fixed a number of issues. See the bugs we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 4.0.0.

Logs

Unique Log IDs

Every ingested log line now receives a unique identifier at ingestion time, regardless of agent type or ingestion source. Log IDs enable deterministic sorting and consistent ordering of log results.

Sort by Any Column

Log query results can now be sorted by any column, including timestamp and extracted facets. In the query builder, click any column header to sort. In FuseQL mode, use the sort by clause. Sorting works in the logs list view, analytics table, and dashboard log panels. The selected sort order is preserved when switching between query builder and FuseQL editor modes, when saving queries to dashboards, and when creating alerts. FuseQL queries with sort by before aggregation operators are now also supported.

Sorted Log Downloads

Log downloads now respect the selected sort order, ensuring exported data matches what is displayed in the UI.

Custom Column Persistence

Custom columns added in the query builder or via FuseQL column extraction now persist when switching between modes, and are no longer lost on sort or date range changes.

Envoy Gateway

Envoy Gateway Support

Kloudfuse now supports Envoy Gateway with the Kubernetes Gateway API as an alternative ingress controller to NGINX Ingress. A zero-downtime 3-step migration path is available for existing deployments. See Configure Envoy Ingress for the installation and migration guide.

Archival

Archival V2 format

Archived logs now include Log IDs and are stored in a new format. This data will be written to the v2 object key instead of the v1 object key.

Hydration

Faster Log Hydration

Log hydration is significantly faster with parallel processing. Multiple concurrent hydration jobs are now supported, jobs can be paused and resumed, and jobs gracefully handle schema changes across time ranges instead of failing. Note that this is only applicable to V2 archives. For V1 archives, hydration will still follow a sequential rehydration process.

Log Query Performance

Faster Log Queries

The underlying data layout has been significantly optimized for faster filtering and aggregation, especially for queries spanning long time ranges.

SLO

SLO Versioning

The SLO detail page now displays creation date, modification date, and version number.

SLO Alert History

SLO alerts now include history and versions tabs.

Dashboards

Table Sort Persistence

Dashboard table panels now persist the selected sort order across page reloads and dashboard saves.

Stat Panel Improvements

Stat panels now support custom font sizes and display correct units.

Default Time Range

Dashboards now support updating the default time range.

Trace List Template Variables

Trace list panels in dashboards now support template variable filtering.

Alerts

Datasource-Based Minimum Step

Alert creation now enforces a minimum step interval based on the datasource.

Non-Metric Alert Frequency

Alerts on logs, traces, and other non-metric datasources now support configurable evaluation frequency.

FIPS 140-3 Compliance

FIPS 140-3 Validated Cryptography

All services now use FIPS 140-3 validated cryptographic modules for encryption. This release completes FIPS compliance by integrating validated cryptographic libraries across all services and enabling FIPS crypto policy at the operating system level.

STIG Hardened Container Images

All container images have been migrated to Red Hat UBI9-minimal base images and STIG hardened, enabling deployment in regulated environments.

Grafana

Grafana v12.4.1

Grafana has been upgraded to v12.4.1 with security fixes and improved compatibility.

3.5.3-p1

March 11, 2026

This patch release includes bug fixes for scheduled views, dashboards, traces, metrics queries, and platform stability.

See the issues we fixed in this release.

To upgrade to this release, see Upgrade Instructions, and Upgrade to 3.5.3-p1.

Scheduled Views

Scheduled Views Not Running

Fixed an issue where newly created scheduled views were sometimes not evaluated until the service was restarted.

Dashboards

Confirmation Dialog Hidden Behind Side Panel

Fixed a regression where confirmation dialogs (such as adding a user to a folder) were hidden behind the side panel overlay.

Chart Error Handling

Fixed an issue where dashboard charts did not properly display errors on the first query failure.

Template Variables Not Refreshing

Fixed an issue where dashboard template variables were not updating when the date range was changed.

Dashboard Filter Chain

Fixed an issue where chained dashboard template variables were not updating dependent filters when a parent filter was changed.

Dashboard Text Filter Input

Fixed an issue where dashboard text filter inputs would revert to their previous value when attempting to edit or clear them.

Logs Panel Scrolling

Fixed an issue where scrolling within a Logs dashboard panel moved the entire browser window instead of scrolling within the panel.

Template Variable FuseQL Escaping

Fixed an issue where template variable values were not properly escaped in FuseQL queries.

Traces

Traces Sidebar Label Grouping

Fixed a regression where trace sidebar labels were all grouped under "custom" instead of being organized by prefix (e.g., http, kubernetes).

Grafana Trace ID Search

Fixed an issue where searching by Trace ID in the Grafana UI failed to display trace details.

Metrics

Metrics Query Performance

Fixed metrics query performance issues by leveraging rollup to reduce query latency.

Platform Stability

Logs Parser Memory Growth

Fixed unbounded memory growth in the logs parser service in environments with frequent node recycling, which could lead to out-of-memory conditions over time.

PostgreSQL Configuration

Fixed an issue where PostgreSQL max_connections was reset to the default value of 100 during upgrades, potentially causing connection exhaustion under load.

3.5.3

March 1, 2026

This release introduces the Metrics Cardinality Explorer, multi-rollup resolution for metrics, historical data support for scheduled views, traces streaming, configurable SLO time windows, MCP server enhancements, multi-contact point notification policies for alerts, role isolation, enhanced pod security configuration, and numerous performance and reliability improvements. Additionally, we fixed a number of issues. See the bugs we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 3.5.3.

Role Isolation

Kloudfuse services can now be separated onto dedicated node pools by their role — ingestion, query, or control plane — for independent scaling and resource isolation. Tune memory and CPU for each role without impacting the others. See Role Isolation.

Metrics

Metrics Cardinality Explorer

New unified interface for exploring metrics, labels, and their relationships. Combines metric discovery, label analysis, and cardinality investigation in a single workflow. Supports progressive filtering with promoted label filters and optional series count display for identifying high-cardinality issues. See Metrics Cardinality Explorer.

Multi-Rollup Resolution

Metrics rollup tables now support multiple resolutions. Queries automatically select the appropriate rollup resolution and backfill gaps from the raw table, improving query completeness for long time ranges.

High-Cardinality Query Improvements

Metrics queries with high cardinality label combinations now use less memory and complete faster. Series limits are enforced at all processing stages, preventing out-of-memory failures on high-cardinality queries.

Dynamic Range Query Splitting

Large range queries automatically split based on series count, avoiding series limit errors on high-cardinality metrics.

SLO

Improved SLO Accuracy

SLO metrics are now computed at query time from raw data, improving accuracy and eliminating the need for recording rules.

Configurable Time Windows

SLOs now support configurable time windows (7-day and 30-day). The SLO list page shows a new Time column, and the detail page automatically scales lookback windows and graph step sizes to match the configured period.

APM

Query Stats for Traces

Trace queries now show documents scanned and total documents during execution, matching the existing logs query stats experience.

Traces Streaming

Traces, trace errors, and trace analytics now load progressively via streaming, showing partial results as they arrive. Long-running trace queries can be cancelled from the UI. Streaming is also supported in dashboard panels and alert evaluation views.

MCP Server

Kloudfuse now supports a Remote MCP Server that runs within the Kloudfuse stack. Unlike locally hosted MCP servers that require local installation and configuration, the Kloudfuse Remote MCP Server provides a secure, centrally managed experience with built-in authentication, query safety validation, and audit logging.

Profiling

Query and compare application performance profiles via MCP for AI-assisted performance analysis. Includes tools for discovering profile types, retrieving flame graphs, querying time series, and comparing profiles across time ranges.

Query Safety Mode

PromQL and LogQL queries are validated before execution in safe mode, rejecting bare metric selectors without label filters, excessive lookback/step ratios, and queries that would produce too many data points.

Horizontal Scaling

MCP server can be scaled horizontally behind a load balancer for higher availability.

Audit Logging

All MCP tool invocations and outbound API calls are logged with duration and error information for compliance and troubleshooting.

Security and Infrastructure

Pod Security Configuration

All services now run as non-root users by default and support configurable service accounts and security context via Helm values for tighter security posture.

Audit Log Timestamps

Audit log entries now use the time the event occurred rather than ingestion time, ensuring accurate timelines even when there is ingestion delay.

Faster Server Restarts

Pinot servers now preload all segments before becoming available, reducing restart time and eliminating excessive coordination overhead during rolling upgrades.

Alerts

Alert Query Escaping Fix

Fixed double-escaping of alert queries that caused evaluation failures for alerts containing special characters. Existing alerts are automatically normalized when loaded.

Multi-Contact Point Notification Policies

Alerts now support managed notification policies with multiple contact points. Configure grouped notification routing to send alerts to different contact points based on alert labels and routing rules.

Alert Management

Alerts created from the Kloudfuse UI can no longer be modified from Grafana, preventing unintended changes to alert configurations managed through Kloudfuse.

Grafana Compatibility

Grafana Tempo Plugin

Restored compatibility with the latest Grafana Tempo plugin for trace tag autocomplete and query building.

RUM

Application-Specific Custom Facets

Added support for custom facets scoped to specific applications, allowing per-application facet configuration.

Custom Metrics

Added support for custom metrics in RUM for tracking web vitals such as LCP, FCP, and INP, with time series aggregation, filtering, and event detail views.

Page Improvements

Standardized the main RUM page layout with consistent header, sidebar, and tab positioning matching the rest of the platform. Tabs now use responsive overflow layout and event type filters are integrated into the header bar. This change applies to the main RUM page only.

Logs

Facet Name Filtering

Added contains pattern filtering for facet names in log search, making it easier to find relevant facets in large schemas.

Save Query Validation

Save queries now validate that an aggregation operator is present, returning a clear error message for invalid queries instead of producing unexpected results.

Scheduled Views — Historical Data Support

Scheduled views now support processing historical data. Specify a start time when creating a view to backfill data from a past point in time. Views that fall behind automatically catch up, processing accumulated data in bounded iterations until current. See Scheduled views.

Scheduled Views — Status Monitoring

Scheduled view status now shows evaluation time, next evaluation time, and lag for monitoring health.

Log Level Detection

Improved log level detection for OTLP-sourced logs. Logs that carry the level in agent-processed metadata are now correctly classified instead of falling back to message body parsing.

Timestamp Validation

Timestamp bounds checking is now applied to all log sources regardless of the timestamp mode. Previously, out-of-bounds timestamps from agent or ingestion sources could pass through without validation.

3.5.2-p2

February 6, 2026

This patch release includes bug fixes and improvements for dashboards, FuseQL query handling, hydration, log ingestion, and metrics processing.

To upgrade to this release, see Upgrade Kloudfuse.

Dashboards

Hydration Job List Display

Fixed issue where hydration job list would appear empty when archiveAddTags contains invalid JSON.

Panel Data Loading

Panels now correctly use their configured datasource and target settings for more reliable data loading.

FuseQL Validation

Added validation when switching between query modes in dashboard edit to prevent invalid query configurations.

Data Table Styling

Removed unnecessary borders in dashboard data table panels for cleaner visualization.

WebSocket Loading State

Fixed an issue where the loading state was not cleared after a query completed via WebSocket, causing the UI to appear stuck in a loading state.

FuseQL

Parse Multi Support

Introduced new parse multi functionality for parsing multiple patterns from log data.

Parse Multi Anchoring

Added anchored pattern matching to parse multi for more precise log parsing.

Parse Multi Nodrop Option

Parse multi now supports nodrop option to preserve unmatched fields.

Lookup As Optional

Lookup operations no longer require the 'as' clause, improving query simplicity.

Lookup with Alias Fields

Fixed bug where lookup operations with aliased fields would produce incorrect results.

Saved View Expiry

Corrected configuration handling for saved view expiration settings.

Hydration

Skip Failed Objects Option

Users can now configure hydration jobs to skip objects that fail to hydrate instead of stopping the entire job, improving resilience for large hydration operations.

Log Ingestion

Concatenated JSON Parsing

Fixed a regression where concatenated JSON payloads (for example, {"log":"a"}{"log":"b"}) were only parsing the first object, silently dropping subsequent log entries. This affects fluentd-json, fluent-bit-json, Datadog, and hydration ingestion paths.

Heroku Log Format

Fixed a regression where Heroku syslog messages were incorrectly wrapped in JSON instead of being passed through as raw messages. Decompression error metrics for Datadog payloads were also restored.

Metrics

Reset Adjustment Merging

Fixed issue where merging reset adjustments in point ranges could produce incorrect metric values, improving accuracy of counter reset handling.

3.5.2-p1

January 25, 2026

This patch release includes bug fixes and improvements for dashboards, alerts, LogQL query handling, metrics rollup, SLO management, and lookup tables.

See the issues we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 3.5.2-p1.

Dashboards

Transpose Logs Table

Fixed an issue where transposed log tables were not rendering correctly in dashboard panels.

LogQL Panel Support

Fixed an issue where LogQL-based panels were not working correctly in dashboard views.

RUM Template Variables

Fixed an issue where dashboard template variables were not properly filtering RUM data in dashboard panels.

Dashboard List Limit

Increased dashboard list limit from 1000 to 5000, allowing users to view and manage larger dashboard collections.

Sparkline Visualization

Fixed an issue where sparkline charts were not showing all bars when a custom timeslice differs from the UI bucket size.

Alerts

PromQL Parse in Alerts

Fixed parsing issues with PromQL expressions in alert configurations.

Logs Anomaly Alerts

Fixed syntax handling for log-based anomaly alert definitions.

LogQL

LogQL Regressions

Fixed regressions in LogQL implementation that affected query execution and result accuracy.

Compare Operator

Fixed a panic when using compare operators in streaming queries.

Compare Timeshift

Fixed column naming for minute-duration timeshifts in compare queries.

Streaming Aggregation

Fixed issues with NaN values and format function type mismatches in streaming aggregations.

Compose Operator

Fixed issues with compose operator returning incomplete results and not respecting subquery limits.

Metrics

Metrics Rollup Performance

Fixed a performance regression in metrics rollup implementation that affected query latency for rolled-up metrics.

Hydration

Hydration Job Status

Fixed an issue where the hydration job status UI was blinking and not displaying status correctly.

SLO

SLO Labels

Added labels section to SLO creation and details page, allowing users to add and manage labels when creating and editing SLOs.

Lookup Tables

Lookup Table Edit

Fixed an issue where editing lookup tables could corrupt data due to column order mismatch.

3.5.2

January 2026

This release introduces FuseQL subquery support, improved logs and alerts performance, enhanced RBAC with folder-level permissions, shortened URLs for bookmarking, container image signing with OIDC support, and numerous dashboard and alert improvements.

Additionally, we fixed a number of issues. See the bugs we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 3.5.2.

FuseQL

Subquery Operator

Added the subquery operator for executing nested queries within FuseQL. This enables complex analytical patterns where results from one query can be used as input for another, supporting use cases like finding logs from hosts with specific error patterns.

Transpose with Line/Column Graphs

Enhanced the transpose operator to support line and column graph visualizations in dashboards. Create graphical representations of transposed data for better trend analysis.

Logs

Logs Performance Improvements

Improved performance for logs analytics, timeline, fingerprint, and download operations with real-time progressive loading for large result sets.

Query Progress Reporting

Added real-time query progress display on logs tabs showing documents scanned and total documents. This provides visibility into query execution progress for long-running searches.

Cancel Running Queries

Added ability to cancel long-running streaming queries from logs, metrics, dashboards, and alerts screens. Users can now abort queries that are taking too long without refreshing the page.

Scheduled View Download

Added download button for Scheduled views results, enabling export of scheduled search data for offline analysis.

Logs Parser

Scalability Improvements

Improved logs parser scalability, requiring fewer logs parser replicas.

Heroku Log Parser

Added native support for Heroku log format parsing with proper handling of empty messages and special characters.

Access Control

Folder-Level Permissions

Enhanced RBAC with Folder Permissions for Kloudfuse objects. Assign view or edit permissions at the folder level, with permissions automatically inherited by objects within folders.

Duplicate Folder Prevention

Prevents creation of duplicate folder names during create, edit, and move operations for better organization.

Enhanced Audit Logging

Improved audit logging to correctly trigger on folder create, update, and delete operations. Better visibility into permission and folder changes.

User Interface

Shortened URLs for Bookmarking

Added URL shortening support for all Kloudfuse screens. Share concise URLs instead of long parameter-heavy links that may not work in messaging applications like Slack.

Dashboards

RUM Template Variables

Added RUM-specific template variable support in dashboards. Create and use template variables for RUM panels with proper attribute filtering.

Alerts

Alerts Performance Improvements

Faster and more responsive rendering for log-based alert evaluation, especially for complex alert queries.

FuseQL Alert Enforcement

Enforced FuseQL usage for alert queries with proper validation and error messaging when queries cannot be converted to query builder format.

Pending Alert Silence Display

Added display of pending alert silences in the Kloudfuse UI for better visibility into upcoming silence windows.

Metrics

Performance and Scalability Improvements

Improved metrics query performance and scalability with optimizations to label filtering, series enforcement, and aggregation processing. Aggregation output series are now limited to protect system stability during complex queries.

SLO

SLO List Performance

Improved performance when rendering large numbers of SLOs on the SLO list page.

Security

Container Image Signing

Kloudfuse container images and Helm charts are now signed. Customers can verify image integrity before deployment.

OIDC Token for Image Pull

Added support for OIDC federation for external partners to securely pull images from AWS ECR without long-lived credentials. Partners can configure their CI/CD systems to use OIDC tokens for image authentication.

3.5.1-p2

December 17, 2025

This patch release includes performance improvements for queries with regex-based label filters, metrics ingestion improvements, and bug fixes for dashboards, logs, and RUM.

To upgrade to this release, see Upgrade Kloudfuse.

Query Performance

Regex Label Filter Performance

Improved query performance for regex-based label filters with alternation patterns across all telemetry streams (logs, metrics, traces, events, RUM).

Metrics Ingestion Performance

Improved metrics ingestion performance for OTLP data sources.

Logs

Wildcard Search in Terms

Added support for wildcard patterns in terms search, allowing more flexible log filtering with * patterns.

Dashboards

Template Variable Bookmarking

Dashboard URLs now preserve template variable selections in the URL state, allowing you to bookmark and share dashboards with specific template values applied.

RUM

Regex Support in Timeseries

Added regex support for filtering RUM data in timeseries visualizations.

Fixed Issues

Query Mode Switching

Fixed an issue where switching between advanced search and query builder modes did not work correctly in some cases.

Template Values in Logs

Fixed an issue where changing template variable values did not properly refresh log data in dashboard panels.

Logs Analytics Table

Fixed an issue where the logs analytics table would get cut off on smaller screens. The table now includes horizontal scrolling for tables with many columns.

RUM Multi-line Regex

Fixed an issue where regex matching in RUM queries did not work correctly for multi-line string values.

Control Plane Dashboard

Fixed the Pinot ingestion rate calculation in the control plane dashboard.

3.5.1-p1

December 13, 2025

This patch release includes significant query performance improvements for regex-based label filtering, UI fixes for FuseQL and Alerts, improved logs download performance, and support for multiple GCP project IDs in Stackdriver metrics collection.

See the issues we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 3.5.1 p1.

Performance

Regex Alternation Query Performance

Significantly improved query performance for label filters when using regex alternation across Metrics, Logs, and APM. Queries with patterns like {service_name=~"frontend|backend|api"} or {namespace=~"prod|staging"} now execute orders of magnitude faster. This optimization applies to all queries that use regex alternation (|) for matching multiple label values.

Logs

Logs Download Streaming

Improved logs download performance with WebSocket-based streaming. Large log exports now download faster with better progress indication.

Infrastructure Monitoring

Multiple GCP Project IDs for Stackdriver

Added support for configuring multiple GCP project IDs for Stackdriver metrics collection. This enables monitoring across multiple GCP projects from a single Kloudfuse deployment.

3.5.1

December 1, 2025

This is a maintenance release with performance optimizations for metrics rollups, new FuseQL operators, enhanced Alerts management, and improvements to AWS metrics collection.

Additionally, we fixed a number of issues. See the bugs we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 3.5.1. No additional pre-upgrade or post-upgrade steps are required for this release.

Metrics

Rollup Table Optimization

Improved query performance by automatically using rollup tables for time aggregations when the lookback period is greater than or equal to the rollup interval. This optimization reduces query latency for long-range queries without requiring any configuration changes.

Series Limit Enforcement

Enabled series limit enforcement by default to protect system stability. Queries without space aggregation are limited to 5,000 series, while queries with aggregation are limited to 20,000 series (prior to aggregation). These limits are configurable via the kfuse chart values.yaml.

Infrastructure Monitoring

AWS ECS Metrics Caching

Fixed nested resource label caching for namespaces like AWS/ECS. Metrics for ECS services and tasks now correctly inherit and display parent resource labels, improving the accuracy of infrastructure monitoring dashboards.

AWS RDS Cluster Metrics

Added cluster-level metrics scraping for Aurora DB clusters. This enhancement provides visibility into Aurora cluster-wide performance metrics in addition to individual instance metrics.

FuseQL

Compare Operator

Added the compare operator for analyzing data across different time periods. Compare current metrics against historical baselines to identify trends, anomalies, and performance changes over time.

Transpose Operator Improvements

Enhanced the transpose operator to support multiple aggregate columns, enabling more complex data transformations in a single query.

Nested Functions in If Operator

The if operator now supports nested function calls, allowing more complex conditional logic in FuseQL queries.

Group By on Array Columns

Added support for group by operations on array-type columns, enabling aggregation across multi-valued attributes.

Logs Search

FuseQL Contextual Autocomplete

Improved autocomplete suggestions that respect previous filters and query context. The code editor now provides intelligent suggestions based on the current query structure, including function autocomplete for FuseQL and PromQL.

Table Display Improvements

Fixed log table height issues and table cutoff at the bottom of the screen. Improved search bar styling and overall logs screen layout for better usability.

APM

High Cardinality Facets for Traces

Added support for high cardinality facets in trace analysis with autocomplete, group by, and aggregation capabilities. This enables efficient exploration of trace attributes with many unique values without impacting query performance.
This feature requires explicit enablement in the kfuse chart values.yaml configuration. Contact Kloudfuse support to enable high cardinality facets for your deployment.

Alerts

Notification Template Payload from Active Alerts

When editing notification templates, you can now load payload data directly from active alerts. This makes it easier to test and preview notification templates with real alert data without manually constructing test payloads.

Active Notifications Page

New dedicated page for viewing active alert notifications. Monitor which notifications are currently being sent and track notification delivery status in real-time.

Contact Points Search

Added search functionality to the Contact Points page, making it easier to find specific contact points in large configurations.

Alert Label Filters in Events Panel

Added label filter support in the Events panel on the Alert page. Filter alert events by specific label values to focus on relevant alert instances and reduce noise when investigating alert patterns.

Dashboards

Dashboard Improvements

This release contains improvements to dashboard performance, rendering, and visualization.

MCP Server

RUM Tools

Added Real User Monitoring (RUM) tools to the Kloudfuse MCP Server, enabling AI-assisted analysis of frontend performance, user sessions, and browser metrics.

APM Breakdown Tools

Added APM execution breakdown tools to the MCP Server, providing AI-assisted analysis of service execution time and downstream dependency contributions.

3.5.0

November 10, 2025

This is a major release introducing custom metrics SLOs, RUM custom facets, MCP server for AI observability, and comprehensive alerts enhancements.

Additionally, we fixed a number of issues. See the bugs we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 3.5.0. No additional pre-upgrade or post-upgrade steps are required for this release.

Service Level Objectives (SLO)

Custom Metrics SLO

Create Service Level Objectives using custom PromQL queries, not just pre-defined APM metrics. Define custom numerator and denominator queries for precise SLO calculations tailored to your specific requirements.

Key features:

This feature enables advanced SLO scenarios such as calculating success rates from arbitrary metrics, defining custom service health indicators, and monitoring business-specific KPIs.

Real User Monitoring (RUM)

Custom Facets

Promote custom attributes to facets in RUM for enhanced filtering and analytics. Create custom facets from usr and context attributes to organize and analyze your RUM data according to your application’s specific needs.

Key features:

System fields like usr.id, usr.name, usr.email, and context.kf_session_start_ms are excluded from promotion to maintain data integrity.

See RUM Custom Facets for details.

MCP Server

Model Context Protocol Server

Provides AI agent access to Kloudfuse observability data through the Model Context Protocol (MCP) server. Enable AI-powered analysis, troubleshooting, and insights across your entire observability stack.

Available tools:

The MCP server enables natural language queries, automated root cause analysis, intelligent alerting workflows, and AI-assisted troubleshooting across all telemetry types.

See Kloudfuse MCP Server for details.

Alerts

Alert History Tab

New History tab displays a comprehensive state timeline for each alert with dropdown filters to narrow history by specific label values. Inspect only the events you care about and track alert state changes over time.

Alert Versions

Compare two alert revisions side-by-side and restore older versions. Track changes to alert definitions over time and easily revert to previous configurations when needed.

Enhanced Silencing Controls

Each alert instance row clearly displays whether it’s silenced. Mute and unmute buttons use Grafana’s matcher logic to precisely target the exact labels you’re viewing, ensuring suppression rules apply only to intended instances.

Form Validation and Auto-tuning

Creating or editing alerts now prompts for evaluation duration ("for") and execution frequency ("every") with validation for positive time strings. The reducer automatically adjusts based on above/below threshold selection, and deleted annotations no longer reappear on save.

UI Improvements

Alert tags in the alert list table now support expand/collapse functionality for better space utilization and readability.

Performance Fixes

Fixed APM alert editing performance issue that was causing hundreds of queries to be issued. Editing APM alerts is now significantly faster and more efficient.

Contact Point Workflow

Contact point creation now opens in a new tab (instead of modal) with a refresh button to update the contact point selector without losing other form inputs.

Alert Creation Improvements

Security

Security Improvements

Enhanced authentication and session management with improvements to oauth2-proxy and user management service. Includes fixes for session handling and rate limiting enhancements.

See Kloudfuse Local Login for details on configuring login security features.

Additional Improvements

Metrics Explorer

APM

Dashboards

Visualization

FuseQL

3.4.4-p1

October 31, 2025

This release focuses on infrastructure improvements with FIPS-140-3 compliance and hardening, Heroku log ingestion support, enhanced PromQL capabilities, and security fixes. This patch release includes a refined Kafka-Kraft migration process.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 3.4.4-p1.

Logs

Heroku log ingestion

Kloudfuse now supports ingesting logs from Heroku platform through syslog drains with automatic parsing, authentication, and metadata extraction.

Metrics

New PromQL functions

Added support for sort_by_label, sort_by_label_desc, and double_exponential_smoothing functions with Prometheus 3.5.0 engine upgrade.

Apdex function for SLO

Added apdex function to supported aggregation functions for SLO calculations.

Infrastructure

FIPS-140-3 compliance and hardening

Migrated all external dependencies from Bitnami and third-party repositories to internal registries for FIPS-140-3 compliance and improved security posture.

To enable FIPS mode, set the following in your Helm values configuration:

global:
  fips:
    enabled: true

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Kafka 4.1 upgrade

Kafka has been upgraded to version 4.1 with KRaft mode support, eliminating the dependency on ZooKeeper for metadata management.
This upgrade requires a multi-phase migration process with improved ingester-first migration strategy. See the upgrade documentation for detailed migration steps.

Fixed Issues

Log splitting functionality

Fixed critical issue with log split queries by migrating to KfLogSplit implementation.

Lookup table size restrictions

Removed maximum columns and rows restrictions for lookup tables, allowing tables of any size.

Security vulnerabilities

Fixed CVE vulnerabilities across UI, query-service, and logs-parser components.

Known Issues

FIPS mode S3 metrics limitation

In FIPS mode, due to a known limitation in the AWS SDK, decoration for S3 metrics will not work.

3.4.3

October 10, 2025

This release includes major enhancements to metrics capabilities with native histogram support, expanded cloud integrations for AWS and GCP, data management improvements with scrubbing support for Events and RUM, and numerous improvements to dashboards, alerts, and workflows across the platform.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 3.4.3.

Metrics

Native histogram support

Kloudfuse now supports Prometheus native histograms and OTLP exponential histograms. This enables more accurate representation of metric distributions with dynamic bucket boundaries and improved storage efficiency.

New histogram functions include histogram_avg(), histogram_count(), histogram_fraction(), histogram_sum(), histogram_stddev(), and histogram_stdvar().

See Metric Native and Exponential Histograms

Alerts and Dashboards

Bulk alerts import/export

You can now import and export multiple alerts in bulk, streamlining migration and backup workflows.

Bulk dashboard import/export via zip

Dashboards can now be imported and exported in bulk using zip files for easier backup and migration.

Alert details sidebar

Alert lists now open a sidebar when viewing details instead of refreshing the entire page, improving navigation and workflow efficiency.

Template variable support for traces and events

Added template variable support for trace and events analytics dashboards, enabling dynamic filtering and parameterization.

Logs and FuseQL

Lookup table improvements

Lookup table creation workflow now supports empty CSV files with headers only and composite primary keys. Update operations properly handle duplicate entries.

Save query on table tab

Save query option is now available on all subtabs in FuseQL except fingerprints. Export option renamed to "Add to Dashboard" for clarity.

Log message and metadata filtering

Added reserved field names for filtering on log message content and metadata in FuseQL queries. Reference the Miscellaneous operators

Cloud Integrations

AWS CloudFront enrichment

Added support for AWS CloudFront metrics enrichment and default metric aggregations. CloudFront metrics are now available with proper aggregation types as defined by AWS CloudWatch.

See AWS CloudWatch Metrics Integration

GCP Stackdriver metrics and enrichment

Added support for GCP Stackdriver (Google Cloud Monitoring) metrics ingestion and enrichment. Monitor Google Cloud resources with native metric collection and contextual enrichment.

See GCP Metrics Integration

Data Management

Scrubbing support for Events and RUM

Data scrubbing now supports Events and RUM data streams. You can preview, filter, and delete Events and RUM data for compliance and data retention requirements.

See Scrub Jobs

Fixed Issues

Dashboard stat panels

Fixed issues where stat panels returned "No Data" for valid queries and setting decimal values broke panel rendering.

FuseQL translation

Fixed inconsistent behavior when toggling between builder and advanced modes. Key exists operator and other filters now translate correctly between modes.

Logs timeseries rendering

Improved timeseries rendering performance to reduce excessive re-rendering on user interactions.

Scrubber improvements

Fixed scrubber minion stalling issue and improved overall stability.

Lookup table save feedback

UI now provides visual confirmation when lookup tables are successfully saved.

3.4.2-p1

September 18, 2025

This is a patch release that includes new features for alerts management and fixes several UI issues across the platform.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 3.4.2-p1.

Alerts and Dashboards

Bulk alerts import/export

You can now import and export multiple alerts in one action, simplifying migration and backup workflows.

Logs

Timeseries and Sidebar

Added options to hide/show timeseries on default view.

Fixed Issues

Bulk dashboards import/export

Fixed UI bugs and made improvements to dashboard import/export workflows.

Integration

Fixed a bug where UI showed blank integration pages.

Infrastructure

Fixed bugs on infrastructure UI that caused some information cells to be blank.

Control Plane

Fixed a bug on Logs dashboard in Control Plane.

3.4.2

September 5, 2025

This is a major release. We focused on improving alerts, dashboards, query capabilities, and system observability. We also added support for folders and nested folders, self-ingesting audit logs, and expanded infrastructure integrations.

Additionally, we fixed a number of issues. See the bugs we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 3.4.2.

Platform

Navigation layout update

The main navigation has moved from the top bar to a left-hand panel. This update provides more workspace for dashboards and a consistent, modern navigation experience. All modules — such as APM, Metrics, Logs, Events, RUM, Infrastructure, Dashboards, and Alerts — are now accessible from the left sidebar.

Alerts and Dashboards

Bulk dashboard import/export

You can now import and export multiple dashboards in one action, simplifying migration and backup workflows.

Drag-and-drop for dashboard rows

Dashboards now support dragging and dropping row panels for easier layout customization.

Stats panel editing

Stats panels can now be edited in dashboards, improving flexibility.

Create alerts from APM service details

Alerts can now be created directly from APM service details panels.

Individual alert suppression

Suppress noisy alerts individually without disabling entire policies.

See: Suppress individual alerts

Chart style selection

You can now choose chart styles in dashboards for more tailored visualization.

Notification policy management

Create, edit, and delete notification policies directly in the UI.

See Dashboards and Alerts.

FuseQL

cat and save operators

FuseQL now supports the cat and save operators, enabling more flexible data workflows.

See:

lookupContains support

Query lookups are now more powerful with lookupContains.

See Lookup operators

Folders

Folder support for Kloudfuse objects

Dashboards, alerts, and other Kloudfuse objects can now be organized into folders. This improves navigation, access control, and sharing in large environments.

Nested folder support

Folders now support hierarchical nesting. You can mirror complex organizational structures and manage resources at multiple levels.

RBAC folder details

Folder detail pages now show which alerts and dashboards are contained in the folder.

See Organize Dashboards with Folders.

Hydration

Hydration UI improvements

The Hydration UI has been redesigned for clarity and usability. You can now track progress more easily and troubleshoot issues faster when replaying or recovering data.

See Logs Hydration

Audit Logs

Self-ingest for audit logs

Audit logs can now be ingested natively into Kloudfuse, simplifying compliance workflows and eliminating the need for external pipelines.

See Enabling Auditing

Infrastructure

Kubernetes monitoring with OTel Collector

Kloudfuse now supports Kubernetes infrastructure monitoring via the OpenTelemetry (OTel) collector, in addition to Datadog.

See OTel Collector on Kubernetes

Grafana 12 upgrade

We upgraded Grafana to version 12.0, ensuring compatibility and access to the latest visualization features.

Downloadable analytics tables

Tables in Logs, APM, and Event Analytics now include a download option for exporting data.

See Kubernetes Infrastructure.

3.4.1

August 13, 2025

This is a minor release. We focused on improving security, stability, and compliance.

Additionally, we fixed several issues. See the bugs we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 3.4.1.

FuseQL diff operator

Compare two time ranges (or two result sets) directly in a query to see what changed. Use DIFF() to return only the deltas. See FuseQL.

Hydration jobs – support for Regex and filters

Define hydration jobs with regex, not regex, and != (not equal) filters to target specific records more precisely. See Use Regex and filters in hydration jobs.

Support for relabel rules for high cardinality attributes in APM ingestion

Apply relabel rules to high-cardinality attributes during APM ingestion to standardize names and improve control over downstream metrics and storage. See Relabel Rules.

3.4.0-p2

Aug 11, 2025

This release fixes important issues related to Datadog integration, span attribute handling, Helm validation, and label filters.

See the issues we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 3.4.0 p2.

3.4.0

July 21, 2025

This is a major release. We primarily focused on improving our Admin and RBAC features.

Additionally, we fixed a number of issues. See the bugs we fixed in this release.

To upgrade to this release, see Upgrade Kloudfuse, and Upgrade to 3.4.0.

Admin and RBAC

Groups are now Teams

We renamed Groups to Teams, removed the concept of Team Ownership (each Team has a default Admin account member), and streamlined role assignment within Teams.

See Manage Teams.

Service Accounts

We added service accounts to this release. They allow applications to securely interact with other systems or APIs in the background using bearer tokens. These workflows do not require human involvement, and automate workflows.

See Service Accounts.

Data scrubbing

This new powerful approach enables users to safely delete data from Metrics, Logs, and APM streams. Create a scrub job by specifying the stream type, one or more filters (label, comparison operator, and value), and the relative time interval. By matching these criteria, Kloudfuse creates a scrub job.

See Scrub Jobs.

Policies

Starting with this release, you can assign RBAC policies directly to both Users and Service Accounts. This is in addition to the existing process of Users inheriting policies through their Group/Team assignment.

Events

Filter Search

On the left sidebar ( Filters), we added more search functionality. Each attribute that has a large number of possible values has a search bar.

Installation

Multi-AZ Support

You can now install Kloudfuse across multiple availability zones (AZs) for high availability (HA). If one AZ fails, Kloudfuse continues operating without disruption. This is critical for large-scale and production-grade deployments.

See HA Multi-AZ Setup.

Infrastructure

Infrastructure Table Improvements

The Infrastructure view now uses infinite scroll instead of traditional pagination. This improves navigation when working with large datasets.

Additional enhancements to infrastructure include the following:

See Kubernetes Infrastructure

Dashboards

We added support for editing template variables in dashboards.

Alerts

You can now edit prometheus queries in using the visual explorer while defining Metric alerts.

3.3.6

June 25, 2025

We fixed several issues in this release; see bugs.

There are no special steps to successfully upgrade your Kloudfuse to this release; just follow the general instructions in Upgrade Kloudfuse.

3.3.5

June 18, 2025

We are continuing to enhance our RBAC offering.

We also used this release to address a recent Grafana vulnerability, CVE-2025-4123. We urge you to work with our CS team to upgrade Kloudfuse in the immediate future.

We fixed several issues in this release; see bugs.

RBAC

Group and Role synchronization

We are introducing automated Group Memberships and Role Synchronization with OKTA (SAML or oauth 2.0) and Google (only SAML). We do not support Google with oauth 2.0; you must perform these configurations manually.

3.3.4

June 11, 2025

We fixed a small number of issues in this release; see bugs.

3.3.3

June 5, 2025

We fixed a small number of issues in this release; see bugs.

3.3.2

May 30, 2025

This is a minor release to enhance our FuseQL offering.

We also fixed a small number of issues affecting the FuseQL-related screens; see bugs.

FuseQL

Parsing JSON Arrays

We added support for parsing arrays inside json log messages. See JSON Operator.

3.3.1

May 28, 2025

This release refines a number of features we introduced recently.

Additionally, we fixed a number of issues. See the bugs we fixed in this release.

To successfully upgrade your Kloudfuse to this release, follow the instructions in Upgrade Kloudfuse, and specifically in Upgrade to 3.3.1.

Audit Logs

We introduced Audit Logging in this release. For security and compliance, we log all configuration operations, including dashboard and alert operations.

Use the enable-audit-logging flag to enable/disable audit logging; it is on by default.

Infrastructure
These improvements are in Early Adopter phase, and are not on by default. Contact our Support team to enable these changes.

We improved the look and feel of the Infrastructure UI to make it more scalable for visualizing and managing systems of greater size and complexity. Specifically:

Events

OTel Events

We are now supporting Kubernetes events through Open Telemetry (OTel) integration. See OTel Collector on Kubernetes.

Events Sidebar

We made improvements to the sidebar, enhancing usability, adding new groupings for labels, and calling out the facets. See Events List, and Events Filters.

APM

Query streaming

We improved the performance of charts by streaming the trace data, error report, and error group report. You no longer have to wait for charts that display long intervals. Kloudfuse cancels outstanding queries as you change query parameters.

Download

We added the ability to download Error and Error Group reports.

FuseQL

We added the following operators in this release:

if

The if filter operator can now evaluate math expressions. For example, if (C > 1000)`.

It can also produce values that are variables, like labels, facets, or extracted. For example, if (source="application", source, "unknown").

where

The where filter operator can now evaluate math expressions. For example, where (C+5 > 0).

'…​'

Add single quotes* around the terms filter to process strings that contain symbols and spaces.

backshift

In a views table, shifts a column in a table downwards. See backshift.

dedup

Removes duplicate results in a table. See dedup.

*

When searching, you can now use the * (wildcard) to find a match within a logline.

RBAC

We made the following improvements to the Administration pages:

Edit/View interface

We added a new detailed interface for editing and viewing Users, Groups, Folders, and Policies.

Effective policies

We improved the visualization of effective policies.

Navigation

We added links for navigating between groups and users.

Integrations

Kubernetes Dashboards and Alerts for OTel

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Dashboards

In the Kubernetes Dashboard section, find the following new entries:

Expand to view the Kubernetes Alerts page

Alerts

In the Kubernetes Alerts section, find the following new entries:

Expand to view the Kubernetes Alerts page

Runbooks for CP alerts

You can now access the Runbooks for Control Panel alerts by clicking the URL on the Alert Details page.

Grafana upgrade to 11.6

We upgraded the Embedded Grafana to Release 11.6.

Dashboards

Consumption Tracking

We unified the information on consumption in the Consumption Tracking dashboard. You can remove the following dashboards, if present: Consumption Overview, Consumption Overview v2, and Consumption Overview (By Stream, Pie chart).

Expand to view the dashboard.

Kloudfuse Overview dashboard

We refactored this dashboard by adding panels that show agent_type, log lines processed by the ingester for metrics, processed metrics, processed events, and so on.

Expand to view the dashboard.

Alert Statistics Dashboard

We created this dashboard so you can see at a glance the information about configured alerts, how many alerts are triggered, how many alerts errored out, how many notifications were sent, and so on.

Expand to see the dashboard.

3.3.0

May 12, 2025

This is a major release. We primarily focused on improving our RBAC offering, and introduced Rate control.

We also made many other improvements: to FuseQL features, Chargeback, Dashboards, Metrics query streaming, Events visualization, overall Infrastructure reporting, and Integration.

Additionally, we fixed a number of issues. See the bugs we fixed in this release, and the bugs in the patch release.

RBAC

Renamed Pages

We changed the tab names for RBAC actions to Manage Users, Folder Permissions, Manage Teams, and Policy Configuration.

Policy Config Management

We removed this feature from the Admin section. Instead, we now associate the relevant policy configurations within the Policies tab, after selecting the relevant Groups. In the Policy Config Management section, click Add policy to assign the policy to that group.

Expand to see an example of Policy Config Management.

APM stream support

Before this release, filters for APM and Metrics streams were combined. You can now configure APM stream filters independently, and apply them correctly to the APM service list and service detail charts.

Multiple Group access

When combining multiple group policies for a user, Kloudfuse now defaults to a more permissive data access rules, a union (logical OR) of all possible policy filters.

We added the Effective Policies section to explain how the various assigned policies resolve for effective access rules.

Expand to see an example of combined effective policies.

Filter combinations

We combine Filters within a Policy using AND logic. We combine Filters across Policies using OR logic, for each stream.

Policy combinations

There are three distinct scenarios for combining policies:

Scenario 1

User has all access across all streams.

p1(all)-all OR p2(custom)-custom filters

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Scenario 2

User has access to custom filters only.

p1(none)-none OR p2(custom)-custom filters

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Scenario 3

User has all access across all streams.

p1(all)-all OR p2(none)

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Rate control

Starting with this release, we are introducing a customizable rate control mechanism that enables you both to limit the amount of data ingested by Kloudfuse, and to prioritize parts of each stream over others by using filters.

You can set a different limit for each stream: metrics, events, logs, traces (APM), and RUM. See Manage Ingestion Rate Control, Rate Control for Metrics stream ingestion, Rate Control for Events stream ingestion, Rate Control for Logs stream ingestion, Rate Control for Traces stream ingestion, and Rate Control for RUM stream ingestion.

FuseQL

matches

We introduced the matches operator to match strings using the RE2-compliant regex format. See Predicate operators for more details.

in

We introduced the in operator to determine if string or number values are in the search domain. See Predicate operators for more details.

Search across multiple views

We now support a single query search across multiple views of the same schema. In effect, we implement a logical OR across two or more scheduled views. See Query multiple views.

Chargeback

We expanded Control Plane support by including a consumption dashboard that helps you monitor the chargeback for the streams in your system by Tracking Label and Auth Scope. See Consumption.

Dashboards

Performance / Streaming support

We improved loading times for dashboards with streaming queries. The dashboard render on the page much faster; on long term queries, you may notice that Kloudfuse paints the most recent data first, and then proceeds to paint the rest of the time interval in reverse chronological order.

Whenever you adjust the time interval (time picker change), Kloudfuse cancels the current query.

Panel rendering

We transformed panel rendering to ensure that all panel types render correctly and fully. We also handle queries that return empty results.

Metrics

Query streaming

We improved the performance of charts by streaming the data; you no longer have to wait for charts that display long intervals. Kloudfuse cancels outstanding queries as you change query parameters.

Events

Events list

We standardized the appearance of the Events list with the APM Traces table. It now has a columnar format, in place of a log-type entry. See Events List.

Lines to display

Manage how many lines to display for each event.

Show absolute time

Previously a toggle under Options, this is now a separate optional column.

Add to Dashboards

We added the ability to add an event list table to Dashboards

Download

You can Download the Event List table as a CSV or a JSON file.

Message content

Starting with this release, we parsed the combined Event Message into the following component columns: Event Id, Aggregation Key, Level (status), Event Type, Title, and Message body. We added the Relative time column, and removed the Tags information.

Event detail

When you click one of the Events in the list, Kloudfuse displays the event detail definition. It also includes searchable access to relevant facets and several label categories.

Filters

You can use the Event detail interface to filter on sources, facets, and labels. See Filter and Search Events.

Infrastructure

We harmonized the Infrastructure interface, making it consistent with the rest of the Kloudfuse UI. See Kubernetes Infrastructure

Filters

The Filters navigation lists the Kubernetes Resources: Pods, Clusters, Namespaces, Nodes, Workloads, Network, Storage, and Access Control.

Facets

The left navigation also includes a Facet Search, and existing and tracked facets.

Search and Group by

The main screen includes a Search and Group by affordances.

Table

The table repords infrastructure information for Pods: their Status, Cluster, Namespace, Age, Readiness (how many of total), Restarts (number), % CPU Usage, and % Memory Usage.

Pagination

Indicate how many result to show per page (10, 24, 20, or 75), and navigate between pages.

Pod Detail

Click on one of the table rows to see the detailed information for that pod: Status, Cluster, Namespace, Node, Deployment, Replica Set, Service, Age, Readiness, Restarts, IP, QoS (quality of Service), Tags, Kubernetes Labels, the YAML definition, Logs, Metrics, and Events.

Integration

In this release, we added several new dashboards that you can integrate into your Kloudfuse observability monitoring practice:

Kubernetes

In the Kubernetes Dashboard section, find the following new entries:

Expand to view the Kubernetes Integration page

System

In the System Dashboard section, find the following new entries:

Expand to view the System Integration page

3.2.5

April 7, 2025

We fixed a number of issues. See the bugs we fixed in this release.

3.2.4

March 25, 2025

While this is a minor release, we fixed a large number of outstanding issues. See the bugs we fixed in this release.

Security

We updated Ingress NGINX to address the IngressNightmare vulnerability.

3.2.3

March 14, 2025

This is a major release that adds a significant number of improvements to Alerts, RUM, FuseQL, Metrics, APM, Migration, and Backup and Restore.

Additionally, you can review the bugs we fixed in this release.

Alerts

Bulk Actions

We added several bulk actions to the Alert Rules page.

You can now select all or some of the alerts, and perform these actions in bulk:

Delete

Delete the alert rules.

Pause

Stop the evaluation of the alert conditions; does not send notifications.

Resume

Resume the evaluation of the alert conditions.

Suppress

Stop sending notifications; continues to evaluate the alert conditions.

Unsuppress

Resume sending notifications.

Clear selection

Deselects all boxes.

Alert Suppress

The action formerly known as Mute Alert is now Suppress Alert.

We make a distinction between pausing alerts, and suppressing alert notifications:

Pause

Paused alerts do not get evaluated, so they never issue an alert notification. When a user deliberately resumes the alert, Kloudfuse starts evaluating the rule that can trigger an evaluation.

You can pause alerts as part of a bulk action, or from the Create Alert / Edit Alert interface.

Suppress

Suppressed alerts still get evaluated, yet do not fire notifications if alert conditions exist.

You can suppress alerts as part of a bulk action, or by hovering over the Alert rule in the list of alerts, clicking the (suppress) icon, and then selecting the defined time interval, from Next 5 minutes to Next 7 days.

Suppress Alert Schedule

You can create complex, multi-component schedules for suppressing alerts.

Subsequently, edit a contact point, and attach the correct Suppress Schedule.

No Data Handling

This release adds the Evaluate as zero option to account for missing data from alert query conditions.

See also Metrics: Default Zero.

Real User Monitoring (RUM)

Add and Manage Applications

Implements CRUD operations for applications, by name, type, ID, client token, and so on, through the UI instead of the config file custom-values.yaml.

For full information, see RUM Add New Application.

Overview URL panel

When you click a panel or chart, it opens a new URL on the right side of the screen.

For example, click the Longest INP by URL, and it opens the full report screen that clearly identifies which URL causes the delay.

Overview URL panel

FuseQL

We expanded the offerings within our proprietary query language, FuseQL.

Scheduled Views

Starting with this release, you can create scheduled views, and query directly from that view.

Scheduled views are pre-aggregated datasets that Kloudfuse generates at scheduled intervals to improve query performance and efficiency. Instead of expensive real-time queries on raw data, scheduled views store advance results, enabling faster access to summarized information.

This is how to use a scheduled view:

  1. Define a FuseQL query – specify the filters and aggregation logic.

  2. Create the scheduled view – it updates every minute for near real-time data availability.

  3. Store precomputed results – the system processes the query and saves the aggregated results, separately from the log data.

  4. Query the view – users can access the scheduled view results through FuseQL, instead of running raw data queries. This approach ensures faster performance with current insights.

  5. Disable or pause the scheduled view – users can disable, pause, or temporarily stop updates on a scheduled view without deleting it, and then resume processing as necessary.

New Operators

We added backshift and dedup operators to support querying of Scheduled Views.

Dashboards

Create new dashboards based on results of Advanced Search across logs.

Alerts

Create new alerts based on results of Advanced Search across logs.

Lookup tables

Create and use lookup tables to supplement your data.

  1. Under the Logs tab, navigate to the new section Lookup Tables.

  2. Review the list of Lookup Tables.

  3. Click Create Lookup Table, upload the source CSV file and name the new table.

The preview of the data shows the fields. You can change the data type for each column. Be sure to identify at least one primary key, and click Create Lookup Table.

Metrics

Analytical Views

This release significantly expands the analytical features for Metrics by adding Top List, Table, and Pie Chart analytical views to Metrics Explorer.

This view provides a quick summary of top N metrics that match the filter and time interval criteria. It helps with high-level analysis of metrics in your system.

This view is a quick summary of top N or bottom N metrics that match the filter and time interval criteria. It helps with high-level analysis of metrics in your system. You can sort by any attribute/column.

This view is a quick summary of metrics that match the filter and time interval criteria. It is a visual representation of proportional weight of a metric across the data from the time series. The pie chart view also includes the table representation of the items on the chart; you can sort by named columns.

Default Zero

We added an interpolation function, default_zero, to handle missing data in Metrics Time Series.

See also Alerts: No Data Handling.

APM

Deployment Version Marker

We added the existing deployment version markers to the graphical APM Trace List information.

![APM Trace List][service-list]

Note that we already use them on the Service Detail page.

![Service detail with deployment marker][service-detail]

Migration

We deprecated the Kloudfuse Catalog Service in a previous release. Start Using Kloudfuse Customer Scripts instead.

Dashboards

To migrate existing dashboards into the Kloudfuse system, use the consolidated script approach. See Importing Dashboards.

Alerts

To migrate existing alerts into the Kloudfuse system, use the consolidate script approach. See Importing Alerts.

Platform

Multi-Availability Zone

We introduced an AZ-service that enables you to switch Kloudfuse to a different availability zone.

3.2.2

February 13, 2025

This release adds improvements for APM, RUM, Logs, and Dashboards.

Additionally, you can review the bugs we fixed in this release.

APM

Side Bar Filter

For the Service, Traces, Analytics, and Error pages, we restricted the number of displayed results to improve performance. Kloudfuse, by default, sorts labels and attributes in descending order, and displays up to 1,000 items.

Side Bar Search

Search now leverages regex for the contains operation.

Multi-Query Support

We now support Kubernetes and Host metrics exported by the Otel collector when rendering the APM Infrastructure Dashboard. See OTel Collector on Kubernetes.

We also improved the filtering selection refresh on the Side Bar; see Side Bar Filter.

Inactive Services

We removed the Show Inactive Services option. Instead, the Services interface has two viewing options: the default Active Services, and All Services.

RUM

We enhanced the RUM Performance Overview UI.

Overall Performance Metric

We added a Tree Visualization to track the values of the overall performance metric. Loading Time is the default metric; you can also choose Largest Contentful Paint, Cumulative Layout Shift, and Interaction to Next Paint. This chart reports the health of the metric across the system, color-coding for Good (green), Needs Improvement (amber), and Poor (red) statistical measurements, based on customer specification.

Optimize Vitals

We added three more visualizations: Loading Time, First Contentful Paint, and User-Centric Page Load Times latency reports. The existing latency reports include Large Contentful Paint (LCP), Cumulative Layout Shift (CLS), and Interaction to Next Paint (INP).

Worst Performance Report

We highlighted the URL addresses of the pages with the poorest performance in terms of Longest INP, Largest CLS, and Slowest LCP.

Logs

Side Bar Filter

We restricted the number of displayed results based on Search, to improve performance. Kloudfuse, by default, sorts in descending order, and displays up to 1,000 items on the Log Side Bar Filter. This number is configurable.

Dashboards

Time Range

We fixed an issue where the overall time range now correctly applies to table data in dashboard panels.

3.2.1

January 31, 2025

This release adds improvements for RUM performance.

3.2.0

January 24, 2025

This release focuses on further refinements to our existing features.

Alerts

Threshold Alerts

We added support for warning threshold, alert recovery, and warning recovery thresholds to threshold alerts on metrics, logs, and services. You can also link alerts to dashboards and panels, pause alert evaluation, and link back to the Kloudfuse alert page from alert notifications.

Create a Metric Threshold Alert

Log Alerts

We added support for linking in log alerts, and display matching log lines in alert notifications.

Stream Isolation

You can now Pinot Stream Isolation and route specific telemetry streams to tagged nodes.

RBAC

APM

Permissions now persist for downstream and upstream dependencies that cross cloud, Kubernetes cluster, and namespace boundaries. When you set policy filters using service id labels, Kloudfuse supports cross-boundary permissions, and applies RBAC policy filters to both active and inactive services.

Stream-Specific RBAC

We now support RBAC policies at the level of the data stream. While default RBAC policies apply to all non-RUM streams, you can pin custom RBAC policy filters to a specific stream, such as logs, metrics, or RUM.

Create a Stream-Specific Custom RBAC Policy

Private Folders

You can now create private folders, where only the creator has access to the folder contents.

Create Private Folders

User Interface Improvements

We made changes to warn users with viewer roles about their permission limitations when they attempt to add, edit, and delete dashboards and alerts.

Dashboards

You can now create new folders in the Dashboards main/default page; simply click at the top right.

Add New Folder

FuseQL

We made several improvements and a small number of fixes to the FuseQL functionality. Critically, we significantly enhanced the Advanced Search parsing by adding support for regular expression parse variable pattern recognition with and without start and stop anchors, and JSON pattern parsing. See Parse operators.

RUM

In this release, we added a session IP column, made UI improvements, and fixed a few bugs.

Help Menu

We made several improvements to the Help menu in this release.

Help Menu

Integration

We added an option to import dashboards and alerts directly from the integration page.

We also made overall improvements to the Integration UI.

3.1.3

January 13, 2025

In this release, we fixed a message conflict in the LogEvent table.

3.1.2

January 8, 2025

In our first release of the year, we chose to implement fixes to various UI pages, and improved our Alerts functionality.

Integrations

We updated content on the Integrations tab, and included icons for easier identification of third-party agents, services, and so on.

Events

Event Alert Fixes

We improved the functionality of Event alerts.

Real User Monitoring (RUM)

RUM Session IP

We improved the handling of IPs recorded in RUM sessions.

RUM Geo Location and Mapping

We added a geographical location extension for RUM, and the ability to handle the user-provided IP:location mapping.

Mobile RUM SDK

We made improvements to the SDK for Mobile RUM.

RUM Alert Fixes

We improved the functionality of RUM alerts.

FuseQL

We added parse and json extension support for our proprietary FuseQL log processing.

Dashboards

We fixed and improved several dashboards.

3.1.1

December 31, 2024

In our last release of the year, we completed some bug fixes and refreshed the UI.

Let’s get ready for 2025!

3.1

December 24, 2024

This release includes further refinements for our existing features.

Integrations

Integration UI

To better assist you in configuring your data streams into the Kloudfuse platform, we added an Integration section to our UI.

You can browse the site to select the appropriate agents, cloud services, storage services, platforms, and so on, to research the best integration solution for your business needs. You can also use the Search function.

New Relic Agent

The Kloudfuse platform now ingests span and trace data sent by New Relic Agent agents and SDK.

Prometheus Pushgateway

The Kloudfuse platform now ingests ephemeral and batch metrics data sent by Prometheus Pushgateway.

Query Languages

FuseQL, our proprietary Query Language for searching logs, now offers Advanced Search (free-form search), and fully supports the Logs Analytics screens.

Advanced Search

Operates like a pipeline, progressively narrowing down results to help you find exactly what you need. Each operator, separated by a pipe (|), builds on the results of the previous one. This enables you to filter and focus your search with precision as you move through the pipeline.

Search Bar and Query Builder

FusesQL is part of both the Search Bar and the Query Builder for Logs Analytics: Time Series, Top List, Table, and Pie Chart pages of the Logs interface. Starting with this release, FuseQL is the default query language for logs.

Conversion Functions

In addition to toInt, we added two more type conversion functions: toLong and toString.

SLO

We added the metric detection SLO in this release, to supplement our existing support for SLOs based on latency and availability.

Enhanced Analytics

For logs, metrics, events, and APM, you can now create and edit dashboard panels and alerts directly from the Analytics interfaces.

Dashboard Panels

Click the Export icon, and proceed to name the new panel and save it in a new or existing dashboard.

Alerts

Click the Alert icon, and create alerts based on the current analytical setting. This feature is part of all Analytical interfaces (Time Series, Top List, Table, and so on) for APM, Metrics, Logs, and Events.

Real User Monitoring (RUM)

In this release, we added these two features to our RUM offering:

Source maps

Specify source maps to better decode stack traces.

Mobile RUM

We added UI changes to make Mobile RUM reporting better.

3.0

November 6, 2024

This release includes two significant innovations in Kloudfuse platform, Real User Monitoring and FuseQL query language. It also adds significant troubleshooting and analytics tools to the APM system by introducing Trace Heatmap and K-Lens.

Real User Monitoring (RUM)

RUM allows you to capture and analyze data from real users as they interact with your web application, providing insights into their experience and identifying performance issues from the user’s perspective.

We encourage you to look at our introductory video on how RUM addresses the many requirements of Digital Experience Monitoring:

Digital Experience Monitoring - YouTube

Tap to unmute

Digital Experience Monitoring Kloudfuse

Kloudfuse24 subscribers

Read about our implementation in RUM Setup and Real User Monitoring (RUM).

FuseQL

Kloudfuse developed its proprietary query language, FuseQL, for a range of applications. It has flexible parameters for answering highly complex questions.

To understand the defining characteristics of FuseQL and how to use it, see FuseQL.

APM

This release introduces two powerful new APM observability tools, APM Trace Heatmap view and APM K-Lens, to assist in service-level issue detection and advanced debugging using APM Trace data.

APM Trace Heatmap view

This interactive trace data visualization chart helps you to visually detect deviations and outliers in the latencies reported by APM data.

APM K-Lens

Our proprietary analysis tool that helps you to narrow down the cause of appliance performance issues; it compares thousands of attributes across span events to their baseline performance, and displays ranked results based on significance of deviation.

We encourage you to look at our introductory video about this feature:

K-Lens - YouTube

Tap to unmute

K-Lens Kloudfuse

Kloudfuse24 subscribers

Enterprise Readiness and Security

We enhanced our SSO support by adding SAML-based authentication for providers such as Google, Okta, and many others. See SAML SSO Authentication.

2.7.4

September 2024

Metrics Roll Up

Kloudfuse supports roll up and aggregation of metrics data, computed directly from the raw data stream during ingestion. For longer time intervals, our approach significantly improves query performance, and reduces chart loading times and I/O costs. Depending on the time span or step size of the query, Kloudfuse calculates results either from raw data, or from rolled up data. In the shorter time spans, we continue to use raw metrics because the calculation approach could potentially smooth out the data and miss important signals, such as outliers.

Metrics roll up is off by default, and the default aggregation is for 5 minutes. Contact us to turn on metrics roll up, and help you configure your environment.

For more information about this feature, see Rolling up Metrics.

Service Catalog

Until this release, the Kloudfuse APM interface showed only the services that sent data within the selected time block. We now show all services, including the ones that may be stopped or paused.

To see all services, simply toggle the Show Inactive Services selector. You can see that two new services in this example, frontend-web and loadgenerator, appear in the service list. Because the services were inactive during the relevant time interval, they have empty columns.

Facet Exploration and Analytics

Logs default sidebar Open facets-in-left-bar.png facets-in-left-bar.png Kloudfuse automatically extracts facets attributes from logs during ingestion. Before this release, we surfaced facets in the Logs side bar, organized under Sources.

Because the number of sources and facets can quickly become very large, the troubleshooting tasks become more difficult and the feature is not as useful as we want it to be. In this release, we re-organized the sidebar to include expandable sections as these components: Filters, Labels, and Facets.

We now organize Facets in their own section. Users can create custom groups that include the facets they want to monitor, across any number of sources.

You can group facets by source, and use the search bar to find relevant groups.

When you expand a group (here, the logs-parser), you can see some of the facets tracked in the group. We also added a search bar in each group to help you locate a facet by name.

Facet Explorer

Click the icon on the Facets title line, and Kloudfuse opens the new Facet Explorer. When you choose a source ( logs-parser to continue this demonstration), you can typically see many more named facets than you see in the Logs sidebar.

Facet Favorites

This release also introduces Facet favorites that optimize facet design and usability; you can hover over one of the facets, and click on the hollow icon to “favorite” that facet. In the Edit Favorite interface, simply decide if you want to add the facet as a favorite to the existing group, or create a new group. You can even change the display name of the favorite facet.

Because of these changes, and other usability improvements, you can now control the organization and visibility of facets much more effectively:

  1. From the log event detail pane, you can select a facet and add it do the side bar.

  2. You can organize facets by user-defined groups, so the sidebar has a single-level folder structure.

  3. The Logs page now has a Facet Explorer option that enables you to browse across all facets, add facets, and remove them.

Changes to existing Kloudfuse UI

Log Archive and Hydration

You may have to save transactional information for compliance, legal, or other regulatory requirements. In addition to processing logs for observability and analytics, this release of Kloudfuse introduces a supplementary mechanism for archiving pre-processed logs (with identified filters, facets, and so on) into longer-term storage, and a separate mechanism to hydrate these logs to examine them for the relevant data.

The benefits of this approach extend beyond basic regulatory compliance:

You store important historical data in a cost-effective compressed format in a location that you own and control.

When uncompressed, the logs are human-readable and highly searchable because of the high level of indexing through labels and other data attributes.

You can configure the archival instructions in a manner that categorizes data consumption by internal cost center.

We currently support log archive and hydration for AWS S3.

To start hydrating previously archived logs, select Logs in the top navigation bar, and then choose Hydration.

Contact us at support@kloudfuse.com to enable this feature in your Kloudfuse cluster.

For in-depth information on this feature, see Logs Hydration.

Log label cardinality analysis

Log labels have two main source: many are attached by the agent that delivers the logs to the Kloudfuse platform, and potentially even more are defined by users. Some labels are meaningful at the time they are defined, yet loose their relevance over time. Some are created accidentally, or as a result of not fully understanding the common use cases or the purpose of log tracking. Automatically-generated labels, from agents, are often cryptic and unnecessary.

Seeing cardinality analysis of a log helps users to remove unnecessary labels, improving data accessibility and making the collected information more actionable.

To determine log label cardinality, select the Logs tab, and then the Cardinality Analytics option in the dropdown menu.

The Logs Cardinality report shows the overall cardinality; in this case, the cardinality is 335. It further breaks out the data by Label, showing the Value Count (1h) for the preceding hour, the V alue Count for the specified most recent time range (the last 5 minutes is the maximum time range and the default setting), and the Value Chart, which is a simple bar chart representation of the count of unique values over the selected time range.

To find the prevalence of a specific label value, use the filter at the top of the page to select a label, the operator, and the comparison value.

Graviton support

Starting with this release, Kloudfuse platform can run on instances that are based on AWS Graviton processors.

For more information, see AWS Graviton Processors documentation.

RBAC improvements

User Management

This page now displays all groups to which the user belongs, and their role: Admin or Member. You can:

User Status

user-status.png At the top right, where we show logged-in user’s information, Kloudfuse UI now displays the user’s role.

Error display improvements

Starting with this release, we are replacing error message toasters with more specific error messages that display directly on the components that throw the error.

2.7.3-p2

September 17, 2024

We improved the performance on the Trace Errors interface.

2.7.3-p1

September 6, 2024

OpenTelemetry on Docker deployments

In this release, we added support for data collection through OpenTelemetry on Docker containers. For details, see OpenTelemetry Collector on a Docker Environment.

Trace (APM)

Prettify JSON

For the Trace > Log details interface, we improved the display of the JSON format of the log line.

Select the Pretfify JSON option to see the more familiar and easy to read rendering of the log line.

Trace Span Details

When examining Trace Latency Breakdown detail, under the Logs option, we added a new filter option. Depending on the nature of your technical stack, you can now select to filter on Kubernetes (pod_name), Docker (container_id), or Host (hostname).

To select the relevant filter:

  1. On the top navigation bar, select APM > Traces.

  2. [Optional]

Use Search to find the relevant service.

  1. In the List of services, click the relevant Trace Latency Breakdown diagram.

  2. In the detail, under the Flame Chart, select the Logs tab.

  3. The header of the list starts with the Filter, set to traceId by default. Click, and select the relevant filter from the drop-down.

2.7.3

August 28, 2024

In this release, we made changes to Logs, APM, and RBAC:

Logs

We made significant improvements to the performance of log search with efficient indexes; comparable searches are now an order of magnitude faster.

APM

We implemented the necessary bug fixes.

RBAC

We added default access policies for users without explicit policy assignment. See Default Policy.

2.7.2

August 19, 2024

RBAC(Role Based Access Control)

We are introducing a new UI support for easier user management:

Starting with this release, KloudFuse does not support RBAC and policy configuration by editing raw configuration files.

See Role-Based Access Control.

APM

We made some targeted performance improvements.

Multi-key auth ingestion

We are introducing support for multiple authorization keys.

2.7.1

August 12, 2024

Kloudfuse 2.7.1 release builds on 2.7.0 version and improves analytics experience for traces and logs. We are also introducing new Forecast and Anomaly models for metrics.

This release includes additional features, and bug fixes.

APM

Trace Analytics

We added the following features to this release:

Pushdown queries

we added pushdown queries for better performance and user experience.

Top K and Bottom K Formula

Improved Analytics formula for correctness with optimized joins for top k and bottom k results.

Parameter selection

Support for easy query parameter selection for multiple queries.

Logs

Log Analytics

We added the following features to this realease:

Pushdown queries

we added pushdown queries for better performance and user experience.

Top K and Bottom K Formula

Improved Analytics formula for correctness with optimized joins for top k and bottom k results.

Parameter selection

Support for easy query parameter selection for multiple queries.

Advanced Alerts

Forecast and Anomaly Models

We added the following features to this realease:

Prophet

Introducing new model(Prophet) for better anomaly detection.

Prophet

Introducing new forecast model(Holt-Winters Seasonal) for better forecasting.

Dashboards

Kafka

We now support for MSK(Kafka), Mongo Atlas dashboards.

Labels

Custom Labels

We now support for adding custom tags for log groups in AWS and GCP.

2.7.0

July 29, 2024

Kloudfuse 2.7 is a major release with many enhancements and critical bug fixes.

This release has a kafka upgrade that requires specific steps.

APM

Traces

Service Details

UI

Bookmarking and State Management

Logs

Improvements

Control Plane

Improvements

Alerts

Improvements

Infrastructure

Improvements

Dashboards

Improvements

2.6.7-p1

May 30, 2024

Kloudfuse 2.6.7 is patch release with some critical bug fixes.

Bug Fixes

2.6.7

May 15, 2024

Kloudfuse 2.6.7 release builds on the 2.6.5 version and continues to improve APM, Logs, and UI. We added support for defining Service Level Objectives (SLOs) at service level, and enhanced Logs Search with additional search operators.

This release also includes many performance improvements, bug fixes, and several minor enhancements.

APM

Databases

Service Level Objectives (SLOs)

Service Details

Traces and Flame Graph

Logs

Facet terms exists

This is similar to facetTermsExist for the full log line:

Filter Performance

Performance improvements to reorder filters based on their efficiency, while executing queries in the database. This can have a considerable effect on user experience.

Disk Reads for Filters

Improved and reduced disk reads in termsExist filter execution.

2.6.5

April 10, 2024

Kloudfuse 2.6.5 is a major release that significantly enhances the APM user experience by introducing the concept of service identifiers, which allow APM services to be uniquely identified by a user-configurable set of attributes with a reasonable default, and includes key cloud and kubernetes attributes.

This release also includes various security fixes to address CVEs, many performance improvements, bug fixes, and other minor enhancements.

APM

Services and Databases List

Service Details

Runtime metrics (JVM, Go, Python, and so on) for services based on the detected telemetry language.

Service Map

Infrastructure

Kubernetes Infrastructure

Numerous fixes and UX improvements

Look and Feel

Improvements to match the other features and screens.

2.6.0

February 16, 2024

Kloudfuse 2.6.0 is a major release that includes significant UI improvements, and many new APM and Dashboard features.

UI Enhancements

Sidebar

Search bar

General UI improvements

Dashboards

Dashboard Edit

Metrics

Metrics Metadata

Kloudfuse now supports the use of Metrics metadata, including metric type, description, and units.

APM

Advanced Services Monitoring (ASM)

Deployment Tracking

Service Execution Time Breakdown

Additional Service Reports

2.5.4

January 6, 2024

Kloudfuse 2.5.4 is a minor release with a few enhancements, performance improvements, and bug fixes.

2.5.3

December 26, 2023

Kloudfuse 2.5.3 is a minor release. It includes Logs facet autocomplete with typeahead, APM trace search enhancements, performance improvements, and bug fixes.

Logs

Typeahead for Logs Facets in Logs Search and Analytics

You can search facet names and select them using typeahead (prefix matching) in logs search and logs analytics.

APM

APM Search Improvements

2.5.2

December 13, 2023

Kloudfuse 2.5.2 is a minor release with performance improvements and bug fixes.

2.5.1

December 10, 2023

Kloudfuse 2.5.1 is a minor release with improved alerting capabilities and performance and bug fixes.

Alerts

Simplified Alert Workflow

Alert workflow is simplified to make it easy to configure various kind of alerts, including anomaly, change, and threshold.

Infrastructure Alerts

Improved alert artifacts for System, Kubernetes, and Logs integrations.

2.5.0

November 21, 2023

Kloudfuse 2.5.0 is a major release with many improvements, new features, and bug fixes.

Logs

Additional Visualizations in Logs Analytics UI

Log Facets

Facet match/search now works across all sources.

Logs Search

APM

Service Detail UI Improvements

Improvements to the charting interface, and ability to jump to corresponding metrics exploration with support for more visualization types and comparison to previous time periods.

APM Analytics UI Improvements

Cardinality Analytics

Support for analyzing and breaking down cardinality of various attributes, both indexed and non-indexed.

Metrics

Cardinality Analytics

Alerts

APM alerts

Support for threshold-based and anomaly-based alerts for APM RED metrics.

Role Based Access Control (RBAC)

Configurable RBAC

Support for RBAC through custom_values.yaml settings.

2.2.4

This release adds many performance improvements and features for Logs and APM.

Logs

Fingerprint tab improvement

You can now sort Logs fingerprints by ascending or descending log count.

Log UI Improvements

You can now search Logs sources and facets in the sidebar.

APM

APM dashboards

APM dashboards now show the breakdown of RED metrics by services.

Various bug fixes and Performance Improvements

UI improvements

Spinner is now displayed in the APM page for initial load. We fixed word wrap and UI distortion issues on many charts.

2.2.3

This release introduces Term search for Logs, and External Dependency Tracking for APM services. We also made several improvements for Logs, APM, Infrastructure, and Platform.

Logs

Term Search for Logs

Term search is now the default search type for logs. Users can quote the search string to use the older 'string contains' search. Term search is faster and more efficient, in general.

Log Analytics UX improvements

We simplified and streamlined Logs analytics UI. You also have an option to add the queries to a dashboard.

Fingerprint Analytics

You can now group fingerprints by multiple attributes. Earlier, the only grouping before this release was by the source attribute.

APM

Dependency Tracking for APM

The external dependencies for APM services appear in the service details page.

Related Logs and Metrics in Span Details

When you select a specific span from the trace details, you can now see the related logs based on various attributes, including traceId, pod, and many others. You can see the metrics related to the service or endpoint.

Performance Improvements

We significantly improved the speed for queries for rate (for counter type) and histogram quantile (for histograms).

UI improvements

Spinner now displays in the APM pages while columns values are not yet available.

Infrastructure

UI improvements

We redesigned the Infrastructure tab to have a cleaner and more responsive UI. In the related logs, you can now open logs details for any specific log line.

Platform

Overall Stability and Resource Management

Kloudfuse now automatically terminates queries that run over the timeout or cause 'out of memory' issues. In addition, it restarts pods after hitting 'Out of Memory' issues.

2.2.2

This release introduces a key new feature, Error Analytics for Elastic APM. We also made improvements to Logs, APM Distributed Tracing, and Metrics.

Error Analytics

Elastic APM Errors

Users can now perform analytics on Elastic APM errors globally, and also see error types, frequency, and last occurrences for a specified service.

Logs

JSON log sorting

Before indexing, Kloudfuse now sorts each input JSON log line internally by key names. This improves the storage efficiency and search speed, reducing the number of unique patterns detected in the log streams.

APM Distributed Tracing

Error Analytics

Slice and dice on APM errors, and also on error chart/table in the service details page.

Span metrics and edge metrics fixes

We corrected some discrepancies in calculating RED metrics from the incoming spans and transactions for Elastic APM data.

Metrics

Metrics Summary and Exploration Performance improvements

We made several performance improvements for auto-completion of metric names and labels, and for metric summarization.

2.1.0

This release introduces two new features, Advanced Service Monitoring and TraceQL support. We also enhanced Logs, APM Distributed Tracing, and the Control Plane.

Advanced Service Monitoring (ASM)

Automatic Observability

ASM provides autonomic observability based on eBPF technology. The kfuse-knight agent discovers and tracks all services and their interactions. ASM delivers RED and USE metrics without any extra instrumentation or change to the application code. It also curates advanced alerts to detect anomalous and outlier behavior in the services.

TraceQL

Query Spans

Using TraceQL, you can query spans. You can also view a service map and flame graph through Grafana.

Logs

Skip auto-facet extraction from JSON logs

You can now optionally skip auto-extraction from JSON logs by changing logs parser configuration.

Fix data type identification

We corrected the broken charting for grammar-derived facets.

Efficient JSON log message parsing

We optimized JSON message parsing to reduce the CPU cost for logs parsing. This applies to all log lines, including structured JSON logs, embedded JSON, and partial JSON strings.

APM Distributed Tracing

Trace detail enhancements

Span details now show stack-trace, local variables, and context for Elastic APM. Also, flame graph spans list appears under a separate span list tab.

Ability to filter by custom span attributes

From span details, you can now filter by (include/exclude) custom span attributes, in addition to the standard OTel attributes.

Control Plane

Dashboards and Alerts fixes

We made a number of corrections in dashboards and alerts for the Control Plane.

2.0.0

This is a major release with significant feature enhancements for our customers.

Streamlined filtering

Streamlined filtering based on labels and facets across various streams

We standardized and streamlined filtering and navigation across all streams, including logs, traces, events, and metrics.

Service Level Objectives (SLO)

Service Level Objective (SLO) Support

Kloudfuse now supports Service Level Objectives (SLOs). Users can set latency and availability SLOs for any service instrumented with distributed tracing.

Single Sign On (SSO)

Single Sign On (SSO) Support

Kloudfuse now supports Single Sign On and several authorization methods, including Google, Okta, Azure, and others.

Alerting

Enhanced Alerting Support

Kloudfuse alerting now supports Change, Outliers, Anomaly, and Forecast alert types in addition to the existing Threshold alerts.

Migration

Simplified migration for grafana dashboards and alerts

Kloudfuse catalog service supports the migration of dashboards and alerts from external Grafana to Kloudfuse.

Logs

Automatic facet datatype detection

Logs parsing extracts, detects and color codes the data types of facets automatically to make it easier to work with large amount of logs data.

Externalized Logs parser configuration

You can configure Logs parser pipeline stages through remap, relabel, and transform actions/stages. This enables users to configure and process logs data from any agent, including fluent-bit, fluent-d, OTEL collector, DD-agent, and many others.

More efficient JSON log message parsing

We optimized JSON message parsing to reduce the CPU cost for logs parsing. These optimizations apply both to structured JSON and to log lines that contain embedded or partial JSON strings.

APM and Distributed Tracing

Support for Datadog, Elastic, and Otel agents

In addition to the OTEL collector/format, Kloudfuse stack now supports Elastic APM and Datadog APM payload formats. You can configure the pipeline to drop and relabel various attributes, as required.

Unified span-derived metrics and user-derived trace metrics

Kloudfuse stack produces unified span-derived metrics that you can configure to have arbitrary dimensions. To produce additional span-derived metrics, apply any filters and time/space aggregates to incoming data. Retain the metric data independently of trace retention.

Span/Trace download support

Users can download the full span data in two different formats:

Alerts

Enhanced Alerting

Kloudfuse alerting now supports Change, Outliers, Anomaly, and Forecast alert types, in addition to the existing Threshold alerts.

Infrastructure

Related Resources, Metrics, Events, Logs, and Traces

The Infrastructure view enables you explore every Kubernetes resource, including related logs, traces, metrics, and events.

Control Plane

Forecasting

Control plane now contains information on forecasted disk and outliers resource usage capabilities for the Kloudfuse observability stack resources.

1.3.4

This is a minor release update to fix bugs in Elastic APM ingestion.

1.3.3

This is a minor release update with the following feature enhancements for our customers:

Logs

Composite Sorting

Log data is sorted by multiple keys (fingerprints, labels, timestamp); this results in more efficient disk storage, and therefore better query performance.

Saved Query

You can save log queries as views, and reference them later. You can also save them as adhoc dashboards for use by team members.

Log Download

Download Logs events from the Kloudfuse UI. The logs download is limited to 10MB.

We support three different download formats:

Control Plane

Remove pinot exception alerts

We plan to bring this feature back in a later release, with significant enhancements.

1.3.2

This is a minor release update, with performance improvements and feature enhancements for our customers.

Metrics

Improved metric segment seal times

On E2 machines, metric segments used to take 4-10 minutes due to number of docs in each segment (~50M). We moved to columnar seal instead of row-by-row seal, and seal times decreased by 50% or more.

Logs

Fluent-D support

Kloudfuse can now ingest logs from Fluent-D directly. We support JSON and msg-pack formats.

Fingerprint sorting-based segment disk layout

We now sort the log lines on the disk based on their fingerprint. This results in better storage compression and improved search performance for both grep and facets.

APM Traces

Support for missing and no-root spans

We now support flame graph view for incomplete traces. In certain customer environments, we may not get a root-span or parts of traces may always be missing due to environment setup. We improved the flame graph visualization to render such traces correctly.

Improved span segment encoding

To improve query speed, we moved to dictionary-based encoding for span durations and bigger segments.

1.3.1

This is a minor release update with support for better analytics.

Analytics

Auto Alerting and Analysis with Hawkeye and Bullseye

With the right instrumentation in place, Kloudfuse analytics can now do auto alerting and analysis. Using Hawkeye, you can easily enable auto-alerting for automatic monitoring of all Kubernetes services for anomalies on their RED metrics. Auto-analysis capability using Bullseye generates an analysis report with possible reasons for the alert (anomaly).

1.3.0

This release brings many improvements to the Kloudfuse stack.

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