https://www.pistack.xyz/tags/performance-tuning/ Recent content in Performance-Tuning on Pi Stack Hugo en-us Fri, 15 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-15-self-hosted-database-query-rewrite-pg-hint-plan-mysql-maxscale-guide/ Fri, 15 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-15-self-hosted-database-query-rewrite-pg-hint-plan-mysql-maxscale-guide/ <p>Database query performance is one of the most common bottlenecks in production systems. Sometimes the query optimizer makes sub-optimal choices — selecting a sequential scan when an index scan would be faster, or joining tables in the wrong order. <strong>Query rewrite tools</strong> let you override or redirect problematic queries without modifying application code.</p>