postgresql Archives

Transactional Outbox Pattern: Reliable Event Publishing in Microservices

November 4, 2026

Tackle the dual-write problem across microservices with the Transactional Outbox Pattern. Learn how to structure outbox tables, implement polling and CDC relays, and guarantee message reliability under heavy traffic.

Database

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

Declarative Database Schema Management with Atlas: Automated Migrations for PostgreSQL and MySQL

November 2, 2026

Imperative migrations break staging environments, trigger merge conflicts, and risk table locks in production. Here is how Atlas applies declarative infrastructure-as-code principles to PostgreSQL and MySQL schemas.

Database

Scaling PostgreSQL with PgBouncer Connection Pooling Under Heavy Traffic

November 1, 2026

Encountering PostgreSQL connection limit errors during peak traffic? Learn how to deploy and tune PgBouncer connection pooling to handle thousands of concurrent queries without exhausting server memory.

Database

PostgreSQL Performance Monitoring with Prometheus and Grafana: Complete Setup Guide

October 29, 2026

Build a rock-solid PostgreSQL monitoring pipeline using postgres_exporter, Prometheus, and Grafana. Set up real-time dashboards, battle-tested alert rules, and actionable health checks.

Database

Working with Geospatial GIS Data in PostgreSQL with PostGIS: Storage, Indexing, and Queries

October 28, 2026

Learn how to store and query geospatial GIS data in PostgreSQL using PostGIS. This step-by-step tutorial covers installation, SRID configuration, GiST spatial indexing, and sub-3ms radius searches.

Database

Mastering PostgreSQL Materialized Views: Accelerate Analytical Queries and Refresh Concurrently Without Table Locks

October 27, 2026

Learn how PostgreSQL materialized views transform slow analytical aggregations into millisecond lookups. This practical guide walks through indexing strategies, disk space trade-offs, and non-blocking background refreshes using REFRESH CONCURRENTLY.

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 Foreign Data Wrapper (postgres_fdw): Query Multiple Clusters Without ETL

October 21, 2026

A battle-tested production review and implementation guide for postgres_fdw. Discover how to query and join multiple PostgreSQL databases in real time without setting up complex ETL pipelines.

Database

Deploy CockroachDB on Docker: Building a Resilient Distributed SQL Cluster

October 21, 2026

Deploy a 3-node CockroachDB cluster on Docker. Learn how Raft consensus handles automatic node failovers with full PostgreSQL wire compatibility.