Database Insights

Everything you need to know about MySQL: storage engines, replication topologies, performance tuning, and cloud deployment. From basics to advanced optimization.

Learn the fundamental principles of database schema design for building scalable applications. This guide covers entity relationships, primary keys, foreign keys, and normalization concepts essential for high-performance databases.

ProxySQL's read/write splitting routes SELECT queries to replicas and writes to the primary automatically — but getting the configuration right requires understanding hostgroups, query rules, and lag-aware routing.

Master Apache Cassandra for planet-scale, always-on applications. Learn ring architecture, consistency levels, data modeling, compaction strategies, and multi-datacenter replication.

Understand FoundationDB's architecture — ACID transactions, layers, and why Snowflake and Apple chose it

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.

ProxySQL maintains a rich internal stats schema that most teams never fully explore. Here's how to use ProxySQL's built-in monitoring to track query latency, backend health, and connection pool utilization.

PgPool-II provides connection pooling, read/write splitting, and automatic failover for PostgreSQL — but its extensive configuration can be overwhelming. Here's a practical guide to getting PgPool-II running in production.

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.

Save 15-25% on AWS storage costs migrating from gp2 to gp3. Complete cost analysis at 64TB scale with performance benchmarks and migration strategies.