Database Insights

Performing online schema changes on MySQL tables with triggers is a known pain point — pt-osc creates conflicting triggers, and gh-ost has its own limitations. Here are the safe approaches.

Size and configure the InnoDB buffer pool correctly to maximize cache hit ratios and minimize disk I/O

Master PostgreSQL VACUUM and autovacuum configuration for optimal database health. Learn dead tuple management, bloat prevention, and vacuum optimization strategies.

Compare Redis RDB snapshots and AOF logging — durability trade-offs, performance impact, and recovery scenarios

A comprehensive guide to optimizing AWS RDS MySQL performance through infrastructure tuning, parameter configuration, and query optimization

MySQL 8.0 significantly improved geospatial support with SRID-aware columns, spatial reference systems, and accurate geographic distance calculations. Here's how to use it in production.

MySQL's ecosystem includes three main logical backup tools — mysqldump, mysqlpump, and mydumper. Each has distinct performance characteristics, parallelism support, and compatibility trade-offs.

MySQL InnoDB tablespace encryption (TDE) encrypts data pages on disk without changing application code — using a two-tier keyring architecture that separates the master key from table keys.

MySQL generates multiple log files that will fill your disk if left unmanaged. Here's how to configure logrotate correctly for MySQL error logs, slow query logs, and binary logs.

Discover how jemalloc, tcmalloc, and mimalloc can dramatically improve MySQL memory management. Real benchmarks showing 2-4x performance improvements and memory leak prevention.

MySQL 8 dramatically improved JSON support with functions that eliminate the need for application-side parsing. Here are 10 JSON functions that will transform how you work with JSON columns in MySQL.