Active Record Performance Monitoring: N+1, SQL, and Pools
Monitor Active Record query count, N+1 lazy loads, slow SQL, object instantiation, and connection pool waits using Rails instrumentation and database evidence.
May 28, 2026
14 min read
MySQL Monitoring: Slow Queries, InnoDB, Locks, Replication
Monitor MySQL with Performance Schema, slow query logs, InnoDB pressure, lock waits, replication workers, connections, and baseline-based alerts.
May 19, 2026
13 min read
PostgreSQL Monitoring: Slow Queries, Locks, Vacuum, Replication
Monitor PostgreSQL with pg_stat_statements, pg_stat_activity, WAL lag, vacuum progress, locks, I/O, and workload-based production alerts.
May 19, 2026
16 min read