PostgreSQL Performance Tuning: The Complete Guide

B-tree, GIN, GiST, and partial indexes for different use cases. Partial indexes are especially powerful for filtering on common query predicates while keeping index size small. Bloom indexes let you efficiently query across many columns simultaneously without maintaining a separate index per column.

Query Optimization

EXPLAIN ANALYZE, query planning, and common anti-patterns.

Configuration

shared_buffers, work_mem, effective_cache_size, and connection pooling.

Monitoring

pg_st