Poor Postgres query performance can stem from various issues like missing indexes, inefficient queries, or system resource limitations. Key strategies for investigation include using the pg_stat_statements extension for query analysis, checking cache hit ratios, and addressing table and index bloat. PgHero is introduced as a visual tool for monitoring and analyzing query performance. The post guides on installing and using these tools to optimize query performance.
Table of contents
Strategy 1: Analyzing query performance with pg_stat_statementsStrategy 2: Checking your cache hit ratioStrategy 3: Checking for table or index bloatPgHero: A Performance Dashboard for PostgresConclusionSort: