Database Insights

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

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

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.

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.

MySQL InnoDB supports multiple compression strategies — from ROW_FORMAT=COMPRESSED to transparent page compression using punch holes. Choosing the right approach can cut storage by 40-70% for text-heavy workloads.