Database Administration Archives

PostgreSQL Logical Replication in Production: Selective Sync, Slot Safety, and Conflict Recovery

November 2, 2026

A production-tested guide to PostgreSQL logical replication. Learn how to configure selective table sync, handle replication conflicts, and monitor replication slots to prevent disk exhaustion.

Database

PostgreSQL High Availability: Setting Up Automated Failover with Patroni, etcd, and HAProxy

October 26, 2026

A single PostgreSQL node is an outage waiting to happen. Here is how to architect an automated failover cluster using Patroni, etcd, and HAProxy that recovers in under 30 seconds without risking split-brain corruption.

Database

PostgreSQL Autovacuum Optimization: Diagnose I/O Bottlenecks, Prevent Wraparound, and Tune Production

October 18, 2026

Eliminate disk I/O bottlenecks and resolve dead tuple bloat through practical PostgreSQL autovacuum tuning. Learn how to configure cost limits, tune high-churn tables individually, and safeguard production clusters from transaction ID wraparound outages.

Database

Scaling PostgreSQL: A Practical Guide to Pgpool-II Load Balancing and HA

June 8, 2026

Build a resilient PostgreSQL cluster with Pgpool-II. This guide walks through configuring Load Balancing, Watchdog HA, and automated failover to handle traffic spikes without downtime.

Database

Deadlock Survival Guide: Detection and Resolution in PostgreSQL vs. MySQL

April 26, 2026

Deadlocks don't have to crash your production database. Learn how PostgreSQL and MySQL handle lock contention differently and how to implement a retry strategy that survives the 2 AM traffic spike.