迈克尔·班克:快速基准测试:ANALYZE 与 maintenance_io_concurrency
原文英文,约700词,阅读约需3分钟。发表于: 。Introduction Running ANALYZE (either explicitly or via auto-analyze) is very important in order to have uptodate data statistics for the Postgres query planner. In particular after in-place...
PostgreSQL 14 引入了 ANALYZE 命令的预取功能,使统计采样速度提高了 6-7 倍。对于高性能的本地 NVME 存储,建议将 maintenance_io_concurrency 增加到 20-50 或更高。