Database Insights

Decode PostgreSQL wait events to diagnose lock contention, I/O bottlenecks, and CPU pressure in production

Add data quality checks to your pipeline — row count validation, schema drift detection, and anomaly alerting with Great Expectations

Implement schema change management with versioning, peer review, and automated validation for safe deployments

Patroni automates PostgreSQL failover using a distributed consensus store like etcd. Learn how to configure Patroni for production-grade HA.

Build a data-driven capacity planning process using historical metrics, growth trends, and resource modeling

A practical runbook for database incidents — triage, diagnosis, escalation, and post-mortem for MySQL and PostgreSQL

Build a production-grade PostgreSQL HA stack using Patroni for failover and HAProxy for connection routing

Monitor PostgreSQL streaming replication lag, replication slots, and standby health to ensure HA readiness

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.

Use MySQL Performance Schema to profile queries, monitor memory, and diagnose bottlenecks without guesswork

Use Apache Airflow to orchestrate database ETL, backup jobs, and maintenance tasks — DAGs, sensors, and best practices

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