PostgreSQL autovacuum not keeping up: measure dead tuples and age
PostgreSQL autovacuum not keeping up: measure dead tuples and age. A practical production guide with diagnostic commands, failure interpretation, and a…
PostgreSQL backup restore test: prove recovery, not file creation
PostgreSQL backup restore test: prove recovery, not file creation. A practical production guide with diagnostic commands, failure interpretation, and a…
PostgreSQL checkpoint latency spikes: WAL and storage diagnosis
PostgreSQL checkpoint latency spikes: WAL and storage diagnosis. A practical production guide with diagnostic commands, failure interpretation, and a safe…
PostgreSQL connection pool sizing without folklore
PostgreSQL connection pool sizing without folklore. A practical production guide with diagnostic commands, failure interpretation, and a safe decision sequence.
PostgreSQL deadlock detected: read the graph, not the victim
PostgreSQL deadlock detected: read the graph, not the victim. A practical production guide with diagnostic commands, failure interpretation, and a safe…
PostgreSQL idle in transaction: why it blocks cleanup
PostgreSQL idle in transaction: why it blocks cleanup. A practical production guide with diagnostic commands, failure interpretation, and a safe decision…
PostgreSQL index not used: statistics, casts, and selectivity
PostgreSQL index not used: statistics, casts, and selectivity. A practical production guide with diagnostic commands, failure interpretation, and a safe…
PostgreSQL lock timeout: fail predictably during deploys
PostgreSQL lock timeout: fail predictably during deploys. A practical production guide with diagnostic commands, failure interpretation, and a safe…
PostgreSQL major upgrade checklist for low-risk production
PostgreSQL major upgrade checklist for low-risk production. A practical production guide with diagnostic commands, failure interpretation, and a safe…
PgBouncer session vs transaction pooling: compatibility tradeoffs
PgBouncer session vs transaction pooling: compatibility tradeoffs. A practical production guide with diagnostic commands, failure interpretation, and a…
PostgreSQL query suddenly slow: plan change, locks, or cache?
PostgreSQL query suddenly slow: plan change, locks, or cache?. A practical production guide with diagnostic commands, failure interpretation, and a safe…
PostgreSQL read replica returns stale data: define the consistency need
PostgreSQL read replica returns stale data: define the consistency need. A practical production guide with diagnostic commands, failure interpretation, and…
PostgreSQL replication lag: bytes, time, replay, or workload?
PostgreSQL replication lag: bytes, time, replay, or workload?. A practical production guide with diagnostic commands, failure interpretation, and a safe…
PostgreSQL sequential scan: when it is correct and when it hurts
PostgreSQL sequential scan: when it is correct and when it hurts. A practical production guide with diagnostic commands, failure interpretation, and a safe…
PostgreSQL SSL connection failures: certificate, mode, and hostname
PostgreSQL SSL connection failures: certificate, mode, and hostname. A practical production guide with diagnostic commands, failure interpretation, and a…
PostgreSQL statement_timeout: safety net without random failures
PostgreSQL statement_timeout: safety net without random failures. A practical production guide with diagnostic commands, failure interpretation, and a safe…
PostgreSQL table bloat: confirm it before rewriting data
PostgreSQL table bloat: confirm it before rewriting data. A practical production guide with diagnostic commands, failure interpretation, and a safe…
PostgreSQL temporary files filling disk
PostgreSQL temporary files filling disk. A practical production guide with diagnostic commands, failure interpretation, and a safe decision sequence.
VACUUM FULL in production: lock and disk-space risks
VACUUM FULL in production: lock and disk-space risks. A practical production guide with diagnostic commands, failure interpretation, and a safe decision…
PostgreSQL pg_wal is growing: find the retention reason
PostgreSQL pg_wal is growing: find the retention reason. A practical production guide with diagnostic commands, failure interpretation, and a safe decision…