Database Insights

MySQL 8.0 exposes error logs through performance_schema.error_log — enabling SQL-based filtering by severity, component, and timestamp without grep-ing log files.

PgBouncer is the most widely deployed PostgreSQL connection pooler — lightweight, battle-tested, and straightforward to configure. Here's how to get it running 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.

Deploy enterprise-grade MySQL high availability with InnoDB Cluster. Learn Group Replication integration, MySQL Router configuration, and automatic failover setup.

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.

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

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

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.