Database Insights

Configure PostgreSQL logical replication for selective table sync, zero-downtime upgrades, and multi-tenant setups

RTO and RPO drive backup decisions. This guide covers mysqldump, XtraBackup, pgBackRest, WAL archiving, S3 object lock, and the 3-2-1-1-0 backup rule.

Optimize AWS RDS PostgreSQL costs without sacrificing performance. Learn instance sizing, storage class selection, backup strategies, and Multi-AZ optimization.

Comprehensive summary of database schema design best practices for scalability. Quick reference guide covering all essential patterns, anti-patterns, and optimization techniques.

Monitor MySQL and PostgreSQL with Prometheus, Grafana, and PMM. Covers mysqld_exporter, postgres_exporter, alert rules, and production dashboard configuration.

Master Redis performance tuning with expert tips on memory optimization, connection pooling, data structures, and caching strategies for high-traffic apps.

Secure your MySQL and PostgreSQL databases — TLS, at-rest encryption, role-based access, and audit logging

PgBouncer multiplexes thousands of application connections onto a small pool of real PostgreSQL server connections — reducing connection overhead without any application code changes.

Running a single PMM server is a single point of failure for your database monitoring. Here's how to set up PMM in an HA configuration with failover and shared storage.

Production-ready MySQL Group Replication deployment guide. Learn cluster sizing, monitoring setup, performance tuning, and disaster recovery planning.

mysqlpump adds parallel backup support to MySQL's logical dump toolset — enabling multi-threaded exports that can be 3-5x faster than mysqldump for large databases.

A deep dive into InnoDB locking — record locks, gap locks, next-key locks, how READ COMMITTED eliminates gap locks, diagnosing deadlocks with SHOW ENGINE INNODB STATUS and performance_schema, and prevention patterns.