https://exp.pgsty.com/article/ Recent content in Article on PG Exporter Hugo en-US Wed, 17 Dec 2025 00:00:00 +0000 https://exp.pgsty.com/article/victoria-stack/ Wed, 17 Dec 2025 00:00:00 +0000 Vonng https://exp.pgsty.com/article/victoria-stack/ The December 2025 Pigsty v4 beta introduced VictoriaMetrics, VictoriaLogs, and VictoriaTraces. This article records the motivation, test results, and deployment model. https://exp.pgsty.com/article/pgcondev-2024/ Mon, 17 Jun 2024 00:00:00 +0000 Vonng https://exp.pgsty.com/article/pgcondev-2024/ Notes from PGCon.Dev 2024: extension packaging, observability, community discussions, and plans for PostgreSQL. https://exp.pgsty.com/article/pgss/ Thu, 26 Oct 2023 00:00:00 +0000 Nikolay Samokhvalov https://exp.pgsty.com/article/pgss/ Query optimization is one of the core responsibilities of DBAs. This article introduces how to use metrics provided by pg_stat_statements for macro-level PostgreSQL query optimization. https://exp.pgsty.com/article/monitor-existing-pg/ Sun, 17 Sep 2023 00:00:00 +0000 Vonng https://exp.pgsty.com/article/monitor-existing-pg/ Deploy Pigsty on ECS and connect existing PostgreSQL databases, using Alibaba Cloud PolarDB and RDS for PostgreSQL as examples. https://exp.pgsty.com/article/slow-query/ Tue, 23 Feb 2021 00:00:00 +0000 Vonng https://exp.pgsty.com/article/slow-query/ Use query statistics, logs, and monitoring to find a slow query, test its cause, and verify a fix. https://exp.pgsty.com/article/first-release/ Wed, 13 Jan 2021 00:00:00 +0000 Vonng https://exp.pgsty.com/article/first-release/ Introducing Pigsty’s first release: PostgreSQL monitoring, high-availability cluster provisioning, and a local demo environment. https://exp.pgsty.com/article/golden-metrics/ Fri, 06 Nov 2020 00:00:00 +0000 Vonng https://exp.pgsty.com/article/golden-metrics/ Understanding the golden monitoring metrics in PostgreSQL https://exp.pgsty.com/article/monitoring-intro/ Sat, 30 May 2020 00:00:00 +0000 Vonng https://exp.pgsty.com/article/monitoring-intro/ The PostgreSQL monitoring system I built: its architecture, monitoring hierarchy, instance and cluster dashboards, and slow-query analysis. https://exp.pgsty.com/article/pg-load/ Fri, 29 May 2020 00:00:00 +0000 Vonng https://exp.pgsty.com/article/pg-load/ PG Load measures accumulated transaction time per second, normalized by a chosen concurrency value. This article derives the metric and shows how to use it for alerting and capacity assessment. https://exp.pgsty.com/article/monitoring-overview/ Mon, 17 Dec 2018 00:00:00 +0000 Vonng https://exp.pgsty.com/article/monitoring-overview/ A tour of a PostgreSQL monitoring system: dashboards, architecture, key metrics, and the statistics behind them. https://exp.pgsty.com/article/bloat/ Sat, 06 Oct 2018 00:00:00 +0000 Vonng https://exp.pgsty.com/article/bloat/ Estimate PostgreSQL table and index bloat from statistics, then use VACUUM FULL or pg_repack to reclaim space. https://exp.pgsty.com/article/mon-table-size/ Mon, 14 May 2018 00:00:00 +0000 Vonng https://exp.pgsty.com/article/mon-table-size/ Measure PostgreSQL table storage, including indexes, TOAST, and relation forks. https://exp.pgsty.com/article/logging/ Tue, 06 Feb 2018 00:00:00 +0000 Vonng https://exp.pgsty.com/article/logging/ CSV logs can be imported into PostgreSQL tables or queried through file_fdw for analysis.