
Tamas Korocz worked on enhancing Percona’s PMM and Grafana dashboards over a three-month period, focusing on documentation accuracy, backup monitoring, and alerting reliability. In the percona/pmm repository, he updated MySQL and MongoDB documentation to clarify user permissions, version compatibility, and backup alerting, using Markdown and YAML to ensure clear, actionable guidance. He improved MongoDB PBM backup alert templates by leveraging PromQL concepts like max_over_time, reducing alert noise and improving cluster-level visibility. His work in percona/grafana-dashboards included updating dashboard documentation links to reflect current MySQL/MariaDB versions, supporting smoother onboarding and more reliable monitoring for operators and administrators.
October 2025 monthly summary: Delivered two business-impact improvements across Percona’s Grafana dashboards and PMM platform, focusing on documentation accuracy and backup alert reliability. Key deliverables include updating PMM Grafana dashboard documentation links to reflect current MySQL/MariaDB versions and directing users to the latest PMM plugin documentation, and enhancing MongoDB PBM backup alerting to reduce noise while improving visibility of cluster-wide backup health. These changes improve onboarding efficiency, reduce support overhead, and strengthen proactive maintenance signals for operators. Technologies demonstrated include Grafana/PMM documentation practices, ProMeThus-like alert optimization concepts (max_over_time for backup age), PromQL-based alert templating, and cross-repo collaboration across grafana-dashboards and pmm. Overall impact: clearer guidance for users, more reliable backup alerts, and a measurable uplift in operator confidence and response quality.
October 2025 monthly summary: Delivered two business-impact improvements across Percona’s Grafana dashboards and PMM platform, focusing on documentation accuracy and backup alert reliability. Key deliverables include updating PMM Grafana dashboard documentation links to reflect current MySQL/MariaDB versions and directing users to the latest PMM plugin documentation, and enhancing MongoDB PBM backup alerting to reduce noise while improving visibility of cluster-wide backup health. These changes improve onboarding efficiency, reduce support overhead, and strengthen proactive maintenance signals for operators. Technologies demonstrated include Grafana/PMM documentation practices, ProMeThus-like alert optimization concepts (max_over_time for backup age), PromQL-based alert templating, and cross-repo collaboration across grafana-dashboards and pmm. Overall impact: clearer guidance for users, more reliable backup alerts, and a measurable uplift in operator confidence and response quality.
September 2025 monthly summary for percona/pmm. Focused on improving documentation to reduce setup friction and ensure alignment with current MySQL/MariaDB versions and permissions. Delivered a refreshed PMM setup guide for MySQL, with clarified user permissions, version compatibility, data collection sources, and setup workflows. This work directly supports smoother deployments and reduces misconfigurations, contributing to faster onboarding and lower support load.
September 2025 monthly summary for percona/pmm. Focused on improving documentation to reduce setup friction and ensure alignment with current MySQL/MariaDB versions and permissions. Delivered a refreshed PMM setup guide for MySQL, with clarified user permissions, version compatibility, data collection sources, and setup workflows. This work directly supports smoother deployments and reduces misconfigurations, contributing to faster onboarding and lower support load.
Month: 2025-08. Focused on improving PMM documentation and backup monitoring through targeted updates in percona/pmm. Delivered clear guidance on MySQL administrative connections and introduced a Stale PBM backups alert template to enhance backup reliability and operator response.
Month: 2025-08. Focused on improving PMM documentation and backup monitoring through targeted updates in percona/pmm. Delivered clear guidance on MySQL administrative connections and introduced a Stale PBM backups alert template to enhance backup reliability and operator response.

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