Database Deadlocks: Causes, Detection, and Prevention
Understand database deadlocks, inspect PostgreSQL and MySQL lock waits, prevent cycles with deterministic lock order, and retry aborted transactions safely.
Database Replication Lag: Measure, Diagnose, and Reduce It
Measure replication lag correctly in PostgreSQL, MySQL, and MongoDB; diagnose network, apply, I/O, and workload bottlenecks; protect stale reads and failover.
Database Connection Pool Exhaustion: Diagnose and Fix It
Diagnose database connection pool exhaustion, distinguish client wait timeouts from server limits, size pools across replicas, and fix leaks safely.
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.
Database Monitoring: MySQL, PostgreSQL, and Redis
Build database monitoring for MySQL, PostgreSQL, and Redis with safe connectivity checks, query probes, saturation metrics, and actionable alerts.