Pull Request Explorer

Summary

Fix runtime bugs in clocks, dictionary, eval, procfile, uuidmap, xxhash

This PR addresses multiple high‑priority runtime issues across Netdata’s core components, improving stability, preventing memory leaks, and tightening error handling. It adds new tests and safeguards against race conditions and unbounded growth.

Health Assessment

• • The PR required multiple iterations and extensive testing to address several critical runtime bugs, resulting in a slow cycle time but ultimately improving system stability.

Summary

Add AWS PrivateLink endpoint profiles to CloudWatch collector

Enables detailed monitoring of AWS PrivateLink endpoints, providing metrics on connections, throughput, and packet health, improving observability for users.

Health Assessment

• • Rapid review and merge with minimal back‑and‑forth, indicating high confidence in the change.

Summary

Fix cardinality_limit crashes and limit dataset

This PR resolves critical agent crashes caused by cardinality_limit queries and refines the parameter to only limit result data, enabling safe Top‑N dashboard usage without breaking filter menus.

Health Assessment

• • Quick fix with minimal review, resolved critical crashes, low risk

Summary

Add AWS Billing profiles to CloudWatch collector

Enables Netdata users to view estimated AWS charges by service and account, reducing API calls and improving cost visibility.

Health Assessment

• • Rapid review and merge (0.3h cycle time) suggest high confidence in the change; AI review summary likely accelerated the process.

Summary

Clarify Cloud alert edits apply instantly

This documentation update clarifies that Cloud UI edits to alerts are applied immediately and do not alter stock configuration files, ensuring users understand that changes are dynamic overrides.

Health Assessment

• • Documentation update took over 6 days to review, indicating a slow review process but minimal code changes.

Summary

Add Windows config and health.d alert guidance

Adds Windows‑specific guidance for locating and editing Netdata alert templates, improving usability for Windows users.

Health Assessment

• • The PR had a long cycle time and delayed first review, but the changes are small and low risk, affecting only documentation.

Summary

Add hostname display guidance to Group by Node in charts

Adds clear instructions for users to display hostnames in chart legends, enhancing data visibility.

Health Assessment

• • Long cycle time indicates delayed review, but low complexity and minimal risk.

Summary

Fix group‑by percentage at second grouping level with dimensions filter

Corrects incorrect or empty results for two‑level group‑by queries that use a dimensions filter and percentage aggregation, ensuring accurate percentage calculations for dashboards and API consumers.

Health Assessment

• • The PR was merged within 12 minutes of opening, with a single review comment and one commit, indicating a straightforward, low‑risk bug fix. AI assistance was used to generate the review summary, but the code change itself is minimal and focused on backend logic.

Summary

Add per-app bandwidth pointer to apps.plugin README

Adds a user-facing note to guide monitoring of per-application network bandwidth via eBPF Socket collector.

Health Assessment

• • Long cycle time due to delayed review; minimal code changes; low risk.

Summary

Bump tint logger dependency to v1.2.0

Updates the tint logging library to the latest version, ensuring compatibility and leveraging new features without functional changes.

Health Assessment

• • Quick dependency bump with minimal changes, merged within 3 hours, indicating smooth review and low risk.

Summary

Add per-rule CloudWatch query policies

Enables fine‑grained CloudWatch query scheduling, reducing cost and improving metric accuracy for Netdata collectors.

Health Assessment

• • The PR saw rapid iteration with 10 commits after a single review, indicating active rework but a short overall cycle time.

Summary

bump aws-sdk-go-v2 cloudwatch dependency

Updates the AWS CloudWatch Go SDK to the latest minor version, ensuring compatibility and applying recent bug fixes without changing application logic.

Health Assessment

• • Fast merge with minimal changes; typical dependabot dependency update.

Summary

Bump prometheus/common dependency

Updates the Prometheus common library to the latest patch, ensuring compatibility and security fixes.

Health Assessment

• • Quick dependency update with minimal changes and no review friction.

Summary

Bump MongoDB Go Driver to v2.8.0

Updates the MongoDB Go driver to the latest version, adding new features and security fixes for the Netdata collectors.

Health Assessment

• • Fast merge with minimal changes, no review comments, indicating low complexity and risk.

Summary

Record metric retention start on first data page

Ensures newly ingested metrics are immediately visible, fixing hidden data issues during burst ingestion and replication.

Health Assessment

• • Fast review and merge within 7.5 hours indicates low friction; small code changes and clear test coverage reduce risk.

Summary

Fix avg calculation for group‑by aggregations

Corrects inaccurate average values for aggregated metrics, ensuring dashboards display accurate reporting and ranking.

Health Assessment

• • Fast turnaround: 4.8h cycle time, no review delays, single commit and comment, minimal code churn.

Summary

Update vendored NetIPC SHM allocation

Preallocates full SHM backing files with fallocate to avoid SIGBUS errors, improving stability of Netdata collectors on Linux. Maintains graceful fallback to managed transport when allocation fails, ensuring reliable data collection.

Health Assessment

• • Rapid review and merge within 1.6 hours, minimal rework, indicating high confidence in code quality.

Summary

Add exact metric selection to CloudWatch collector

Enables fine‑grained CloudWatch metric selection, improving monitoring accuracy and reducing noise for Netdata users.

Health Assessment

• • Fast cycle time and minimal review friction despite large scope, indicating strong confidence in the changes.

Summary

Regenerate integrations docs

Updates integration documentation to reflect the latest metadata, ensuring developers have accurate references. It improves maintainability and reduces support overhead.

Health Assessment

• • Fast cycle time and single review with no rework indicates a smooth process.

Summary

Add resource tag filtering to CloudWatch collector

Enables selective collection of AWS resources by tags, reducing noise and cost.

Health Assessment

• • Rapid review but required multiple commits to address issues, indicating moderate complexity.

Summary

Fix critical races and blocking paths in Netdata

This PR resolves multiple data races and blocking issues in Netdata's web server, API, and WebRTC components, improving stability and performance.

Health Assessment

• • Rapid review and merge after addressing critical concurrency issues; minimal friction and moderate scope.

Summary

Fix UDP socket fallback on missing inet_diag

This fix ensures Netdata accurately reports UDP sockets on Linux kernels lacking specific inet_diag handlers, preventing empty inventory displays and improving monitoring reliability.

Health Assessment

• • Rapid review and minimal rework indicate a straightforward bug fix with clear test coverage.

Summary

Fix systemd-journal memory retention and accounting

Reduces memory usage and corrects accounting for systemd-journal plugin, improving performance and reliability for monitoring.

Health Assessment

• • The PR was merged within 12 minutes with no review comments, indicating a straightforward fix. AI-assisted review confirmed no issues, resulting in a smooth, low-risk merge.

Summary

Update mutable chart labels in chart engine

Improves chart label handling, reduces redundant updates, enhances performance and reliability for monitoring dashboards.

Health Assessment

• • Fast review and merge with minimal back‑and‑forth; large code change but well‑benchmarked and reviewed quickly.

Summary

Reduce macOS process and sensor cardinality

This PR dramatically cuts the number of time‑series on macOS by grouping processes and summarizing hardware sensors, improving performance and storage while adding cross‑OS sensor views.

Health Assessment

• • Fast review and merge within 8 hours, indicating high confidence in changes; large codebase modifications but minimal review friction.

Summary

Add explicit CloudWatch targets and collection rules

Adds granular CloudWatch monitoring with explicit targets, credentials, and rules, improving multi-account support. Enhances diagnostics and reduces alert noise for Netdata users.

Health Assessment

• • Fast cycle time and single review round indicate efficient process, but large code churn suggests significant changes to the CloudWatch collector.

Summary

Rename CloudWatch chart and alert prefixes to explicit identifiers

Updates CloudWatch chart IDs and alert template names from generic cw_ to aws_cloudwatch_, improving clarity and reducing naming collisions for users monitoring AWS metrics.

Health Assessment

• • Fast 0.8‑hour cycle with a single review round and minimal code changes indicates low friction; the breaking rename is small in scope but requires users to update dashboards.

Summary

Fix memory safety and concurrency in Netdata

Improves stability by addressing memory safety and concurrency bugs across FreeBSD, Windows, and streaming components, preventing rare crashes. These fixes reduce crash risk and improve reliability for production deployments.

Health Assessment

• • Fast review and minimal rework indicate a straightforward bug fix with low complexity.

Summary

Fix FreeBSD plugin counter size mismatch

Corrects 32‑bit to 64‑bit counter reads in Netdata's FreeBSD plugin, ensuring accurate metrics for system performance monitoring.

Health Assessment

• • Quick review and single commit resolved a data type mismatch, demonstrating efficient collaboration and minimal risk.

Summary

Refactor metrix package layout by ownership

Reorganizes the metrix package into ownership‑focused modules, reducing hot‑path size and improving maintainability while tightening counter delta handling for more accurate metrics.

Health Assessment

• • The PR was reviewed within 6 minutes and required no further changes, indicating high confidence in the refactor. The large code movement is confined to internal logic, minimizing risk to public APIs.

Summary

Fix host archival index crash

Prevents crashes during host archival by flushing RRD set indexes instead of destroying them, eliminating null dereference and TOCTOU windows.

Health Assessment

• • Merged within 2 hours after a single review, minimal rework, and a small code change size.

Summary

Bump pydantic-settings to 2.14.2

Security patch release to prevent symlink traversal outside secrets_dir

Health Assessment

• • Quick review and merge, low risk due to automated dependency update

Summary

Guard null root index in rrdset_find_and_acquire

Prevents crash when acquiring a chart on archived or uninitialized hosts.

Health Assessment

• • Quick review and merge within 10.8 hours, minimal changes, low risk.

Summary

Update CloudWatch SDK to v1.62.0

Ensures Netdata collectors use the latest CloudWatch SDK, improving compatibility and security.

Health Assessment

• • Fast merge with minimal changes, typical dependabot update.

Summary

Bump golang.org/x/net dependency to v0.57.0

Updates golang.org/x/net to v0.57.0, incorporating security and stability fixes such as HTTP/3 improvements, IDNA handling, and XSRF token collision reduction.

Health Assessment

• • Rapid merge with no review comments indicates low risk and straightforward dependency update.

Summary

Update Go toolchain to v1.26.5

Ensures Netdata builds use the latest Go 1.26.5, improving security and stability.

Health Assessment

• • Fast review cycle with AI assistance, minimal changes, low risk.

Summary

Bump govmomi dependency to 0.55.1

Updates the VMware govmomi Go SDK to the latest patch, incorporating bug fixes and minor API improvements, ensuring collectors remain compatible and secure.

Health Assessment

• • Fast merge with minimal changes, indicating low risk and straightforward dependency update.

Summary

Update AWS SDK Go resourcegroupstaggingapi to v1.34.0

Ensures compatibility with the latest AWS SDK features and bug fixes, improving stability for Netdata collectors.

Health Assessment

• • Fast, automated dependency update with minimal changes and no review comments.

Summary

Bump compress dependency to v1.19.0

Update Go compression library to latest version for security and performance improvements. Ensures compatibility with new features and fixes vulnerabilities.

Health Assessment

• • Fast review and merge with minimal changes indicates low risk and efficient process.

Summary

Bump grpc dependency to 1.82.0

Updates grpc library to latest version, improving security and stability.

Health Assessment

• • Fast merge with no review, typical Dependabot update.

Summary

Bump AWS SDK Go config dependency

Updates the AWS SDK Go config to a newer version, incorporating upstream fixes and authentication improvements to maintain compatibility and security.

Health Assessment

• • Rapid merge with minimal changes, indicating low risk and straightforward dependency update.

Summary

bump github.com/prometheus-community/pro-bing from 0.9.0 to 0.9.1

Update the pro-bing dependency to v0.9.1 to incorporate minor fixes and cleanup, with no changes to application code.

Health Assessment

• • Fast merge with minimal changes, no review required, typical for Dependabot dependency updates.

Summary

Bump golang.org/x/text dependency to 0.40.0

Updates Go text library to latest version, improving IDNA handling and preventing potential infinite loops, enhancing reliability.

Health Assessment

• • Rapid automated dependency update merged within 24 minutes, indicating efficient CI and minimal review friction.

Summary

Regenerate integrations docs

Updates integration documentation to reflect current metadata, removing outdated CloudWatch integration page.

Health Assessment

• • Auto-generated docs update merged quickly with no review friction.

Summary

Hardening DBENGINE concurrency and correctness

Improves database engine reliability by eliminating data races and preventing metric resurrection, reducing the risk of crashes and data corruption.

Health Assessment

• • The PR received a rapid initial review but generated numerous AI‑generated comments and required several fixes, indicating a complex concurrency issue that demanded careful scrutiny.

Summary

Remove CloudWatch from Prometheus metadata

This PR removes the AWS CloudWatch exporter entry from Prometheus collector metadata, ensuring documentation accurately reflects supported integrations and preventing user confusion.

Health Assessment

• • Fast review and merge with minimal changes, no blockers.

Summary

Restore stable NVIDIA temperature/power collection

Ensures accurate GPU metrics for monitoring, preventing missing data in production.

Health Assessment

• • Quick fix with minimal rework, resolved missing metrics for newer NVIDIA drivers.

Summary

Replace HTTP_ACL_NOCHECK with HTTP_ACL_DASHBOARD on /api/v3/settings

Make /api/v3/settings honor dashboard IP allowlists by switching its ACL from HTTP_ACL_NOCHECK to HTTP_ACL_DASHBOARD, blocking unauthenticated remote GET/PUT when allow dashboard from is set.

Health Assessment

• • Security fix with minimal changes, quick review, no blockers.

Summary

Fix multiple stability issues in Netdata

This PR hardens Netdata by fixing crashes and undefined behavior across several subsystems, improving reliability for Windows users and CLI operations.

Health Assessment

• • Quick turnaround with minimal rework; AI review flagged issues but PR was approved within 12h.

Summary

Fix string, URL, and allocation overflows

Prevents overreads, mis-parses, and integer overflows in Netdata's core, improving stability and security.

Health Assessment

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