Slow Queries

3 articles tagged with “slow-queries”

rails ruby activerecord database performance monitoring n-plus-1 slow-queries postgresql

ActiveRecord Monitoring: N+1, Slow Queries & Pool Exhaustion

Detect ActiveRecord N+1 queries, slow SQL and pool exhaustion in Rails. Bullet, Prosopite, pg slow logs, Sidekiq pool sizing, and HTTP latency as canary.

May 28, 2026 13 min read

mysql database monitoring slow-queries replication performance sql deadlocks

MySQL Production Monitoring: Slow Queries, Replication, Locks

Monitor MySQL in production. Performance Schema, slow query log, InnoDB buffer pool, replication lag, deadlocks, and alert thresholds.

May 19, 2026 13 min read

postgresql database monitoring slow-queries replication performance sql dba

PostgreSQL Production Monitoring: Slow Queries & Replication

Monitor PostgreSQL in production. pg_stat_statements, replication lag, autovacuum bloat, lock trees, connection pools, and alert thresholds.

May 19, 2026 16 min read

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