February 2026 delivered core improvements to PMM's reliability and observability, with a focus on high availability monitoring, upgraded monitoring stack, and streamlined release/docs workflows. The month produced measurable business value through improved HA visibility, richer metrics, and faster, more reliable releases.

January 2026 monthly wrap-up for PMM and related workstreams. This period delivered tangible business value through reliable HA capabilities, data integrity improvements, and scalable infrastructure. Key features delivered: - High Availability Service Enhancements: persistent Raft storage, improved message handling, and new API endpoints for HA status and node listing. - Documentation: PMM 3 support clarified for PMM 2 Clients, aligning product documentation with lifecycle plans. - Grafana and QA optimization: dashboards build process streamlined by removing unnecessary Grafana restarts, reducing deployment downtime. - PR Automation and Architecture: updated architecture images and added auto-label workflow to improve release hygiene and traceability. - Submodules and infra: released PMM submodules 3.7.0; expanded CI/CD and infra tooling (Docker buildx imagetools for multi-arch); increased EKS managed node group capacity. Major bugs fixed: - QAN Data Purge Partition Validation Bug: refined SQL to target only valid partitions, improving reliability of data purge operations. - QAN DB Creation Failure: adapted migrations for replicated databases and improved environment variable parsing for reliable DB provisioning. - ChangeSettings Reliability in HA Mode: fixed ChangeSettings failures and strengthened tests for HA operation. - Grafana Build Task: eliminated unnecessary Grafana restart during builds to reduce downtime. - Reverted Grafana DS UID change: restored previous datasource references to maintain stability. Overall impact and accomplishments: - Improved system reliability and data integrity in multi-node and HA deployments. - Reduced deployment downtime and operational risk through build optimizations and robust migrations. - Strengthened product lifecycle alignment with PMM 3 support for PMM 2 Clients and automation improvements across PR workflows. - Scaled infrastructure and release processes to support larger clusters and multi-arch deployments. Technologies/skills demonstrated: - Go, Raft consensus, BoltDB storage refinements, and Raft-based HA improvements. - Kubernetes (EKS), Docker buildx, and multi-arch container strategies. - SQL migration tuning, environment variable parsing, and test-driven HA verification. - CI/CD automation, PR labeling workflows, and release packaging.

December 2025 monthly summary: Delivered reliability, stability, and maintainability improvements across PMM, Grafana dashboards, and related tooling, driving reduced incident risk and smoother upgrades. Key features and fixes include: PMM data race fix and Docker Compose reliability in percona/pmm (PMM-14442) with commits 66e9ff59430669e19ec3857153a161d3c4b2439f; Grafana datasource UIDs and retention improvements (PMM-13943) with commits ecdc0e0e29c53af74e2f424d38b03f2effd344a8; Watchtower compatibility label on Docker image (PMM-14568) commit 9352cfba396ae857f16462de65cd7107929aacef; Upgraded Nomad to 1.11.0 and Go to 1.25.5 for stability and compatibility (PMM-14546; PMM-14577) commits a712a4e0ea1764a1fccc6c6e2e1ea8b35fce1043 and 40794b1632294d37eb5ca59bd012411ce21be4cf; Dashboard stability through UID migration and removal of hard-coded PostgreSQL IDs (PMM-13943; PMM-7) commits b8c87b2b0191803f61c6c5385e8775af02e5fe59 and e8e2f2fd311894a01485358006051fae5334fff5; Submodule branch alignment to main and pin pmm-dump to v3 for consistency (PMM-14154; PMM-7) commits fb53c4e0dcbd7d7eb4942ba93af04c6cfe305456 and 4022c3fee0bfd56ad76d7d3528a9d0dee2020c66; Trivy report output format enhancement in percona/jenkins-pipelines (PMM-7) commit b6cbdbe81c9054721076d270635f5c5ce00db981; Overall impact: reduced operational toil, safer upgrades, improved data integrity, and clearer security visibility.

November 2025 monthly summary: Delivered critical dashboard reliability improvements, data-source upgrades, and robust development tooling across core PMM repos. Focused on stabilizing analytics workflows, accelerating releases, and improving runtime performance and developer experience, translating into faster customer time-to-value and more reliable operations.

October 2025 (2025-10) monthly summary focused on security hardening, stability, and maintainability across the PMM stack. Delivered security-enhanced Nomad server certificates, streamlined Grafana setup with upgraded plugins and feature toggles, mitigated monitoring stack volatility by downgrading Prometheus dependencies and disabling pg_stat_monitor by default, and reduced maintenance overhead via codebase cleanups and tooling alignment. Completed PMM Advisor v2 migration for better structuring and added ClickHouse SSL and migration maintenance. Result: stronger security posture, more reliable monitoring, and clearer, scalable administration for operators.

September 2025: Delivered cross-repo features and pipeline improvements with measurable business value: AWS RDS IDs integration in PMM, CI/CD optimization, and Jenkins AWS Spot provisioning robustness.

August 2025 performance summary for percona/pmm and percona/grafana-dashboards. Focused on delivering configurable, reliable tooling improvements and stabilizing CI/testing, while simplifying the codebase and improving automation coverage. Key outcomes include feature-driven improvements in PMM Admin MySQL connection handling, Grafana rendering reliability, and documentation/quality tooling, alongside ongoing test stabilization and maintenance to reduce flakiness and operational risk.

In July 2025, delivered reliability, security, and documentation improvements across PMM core, CI pipelines, and related submodules. Key features and bug fixes reinforced observability, RBAC reliability, and deployment hygiene, driving business value for customers and internal teams.

Concise monthly summary for 2025-06 highlighting business value and technical achievements across the PMM and Grafana dashboards repos. Security, reliability, and CI/CD quality improvements were delivered, emphasizing data access controls, secure API docs, and improved test/coverage workflows.

May 2025 monthly summary for PMM and related repositories. Delivered a series of high-impact feature improvements across build, virtualization, data modeling, and deployment pipelines, alongside a targeted bug fix to restore stability. The month culminated in a cohesive release and enhanced automation that accelerates delivery, improves observability, and strengthens platform reliability.

April 2025: Delivered security, reliability, and performance improvements across PMM, with notable features and reliability fixes, including environment-based ClickHouse credentials with updated docs; MySQL fingerprinting compatibility upgrade; PMM Agent temp-dir cleanup; QAN performance and CI/build streamlining; and mysqld_exporter v3 upgrade for improved metrics collection. These contributions reduce operational risk, enable secure external connections, improve data accuracy, and accelerate CI/CD workflows. Key business impact includes faster onboarding for external ClickHouse deployments, more reliable MySQL discovery, cleaner runtime environments, faster analytics, and richer metrics dashboards.

March 2025 monthly summary focusing on delivering reliability, release readiness, and observability enhancements across two PMM repos. Key value delivered includes standardizing submodule management to prevent operational issues, completing a release milestone, and improving observability through structured logging.

February 2025 monthly summary for percona/pmm: Key features delivered and major bug fixes focusing on documentation quality, consistency, and CI/CD improvements. Aligning docs to version 3, standardizing icons, and correcting PMM Server Docker guidance (ports/links), plus enhancements to CI/CD with Ubuntu 22.04 runner and Linkpector-based link checking. Overall impact: clearer documentation, more reliable pipelines, and faster contributor onboarding.

January 2025 performance summary. Focused on deployment efficiency, documentation quality, and CI/CD reliability across PMM and Jenkins pipelines. Delivered features that reduce deployment footprint, streamline documentation workflows, and tighten release processes, while fixing key stability issues in tests and CI pipelines. The work yields faster, more predictable deployments, lower container footprints, and clearer release communications for customers. Demonstrated proficiency with Docker and build optimizations, Makefile-driven workflows, PDF/document rendering, YAML-based CI/CD configurations, and automation practices that improve developer and operator productivity.

December 2024: Delivered significant CI reliability improvements, build environment standardization, and documentation modernization across three repositories, with a strong emphasis on business value through stability, release consistency, and maintainability. Key outcomes include CI submodule handling fixes, PMM2 build image tag standardization, centralized Slack notifications for build status, platform stability work removing RHEL 7 and ensuring SRPM packaging reliability, and monorepo-driven PMM docs modernization and initialization workflow overhaul.

November 2024 (2024-11) focused on API standardization, build/deploy reliability, backward compatibility, and stability improvements across PMM components. Key outcomes include standardized PMM v3 API documentation, more reliable Grafana service management during builds, and accelerated release readiness through build system modernization, while preserving PMM v2 compatibility and stabilizing dependencies. Impact highlights: reduced API inconsistency for integrators, fewer deployment downtime events due to improved Grafana lifecycle handling, and quicker iteration through streamlined builds and up-to-date dependencies. The month also stabilized core runtime by rolling back Kong to a known-good version and removing telemetry noise in container environments where appropriate.