https://insightral.com/blog Practical Postgres guides for engineers: connection pools, missing indexes, slow queries, and more. en-us Wed, 24 Jun 2026 00:00:00 GMT https://insightral.com/blog/postgres-table-bloat https://insightral.com/blog/postgres-table-bloat Wed, 24 Jun 2026 00:00:00 GMT Table bloat is dead tuple accumulation that VACUUM has not yet reclaimed. At scale it inflates table size, slows sequential scans, and wastes I/O budget. https://insightral.com/blog/postgresql-autovacuum-not-running https://insightral.com/blog/postgresql-autovacuum-not-running Wed, 17 Jun 2026 00:00:00 GMT Autovacuum not running means dead tuples accumulating, table bloat growing, and eventually query plans degrading. Here is how to find out why it stopped. https://insightral.com/blog/postgres-idle-in-transaction https://insightral.com/blog/postgres-idle-in-transaction Wed, 10 Jun 2026 00:00:00 GMT An "idle in transaction" session is a transaction that was opened and never closed. It holds locks, blocks autovacuum, and can stall your entire database. https://insightral.com/blog/supabase-slow-query-troubleshooting https://insightral.com/blog/supabase-slow-query-troubleshooting Wed, 03 Jun 2026 00:00:00 GMT Supabase wraps Postgres with RLS, connection pooling, and branching — each of which adds failure modes that standard Postgres debugging guides miss. This is the actual troubleshooting path. https://insightral.com/blog/postgres-missing-index-detection https://insightral.com/blog/postgres-missing-index-detection Wed, 27 May 2026 00:00:00 GMT A table doing 50,000 sequential scans per hour with 2 million rows is a maintenance ticket waiting to happen. Here's how to find those tables before they become incidents. https://insightral.com/blog/postgres-connection-pool-exhausted https://insightral.com/blog/postgres-connection-pool-exhausted Wed, 20 May 2026 00:00:00 GMT When pg_stat_activity fills up and new connections start timing out, the fix is rarely 'raise max_connections'. Here's the actual diagnosis path.