postgresql Archives - Page 2 of 12

Mastering HugePages and Transparent HugePages on Linux for PostgreSQL and Redis

October 20, 2026

Boost PostgreSQL query throughput and eliminate Redis snapshot latency spikes. This production guide covers calculating static HugePages, disabling THP via systemd, and verifying kernel allocations.

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

Data Masking with PostgreSQL Anonymizer: Sanitizing Sensitive Data for Staging Environments

October 17, 2026

Learn how to use PostgreSQL Anonymizer to mask sensitive PII before syncing production databases to staging, covering declarative security labels, deterministic masking, and CI/CD validation.

Database

Building Hybrid Search in PostgreSQL: Combining pgvector and Full-Text Search with Reciprocal Rank Fusion (RRF) for RAG

October 17, 2026

Combine pgvector semantic search with PostgreSQL full-text search using Reciprocal Rank Fusion (RRF). Build a resilient, high-accuracy hybrid retrieval engine for production RAG systems without external vector databases.

Database

Database Migration with Liquibase: Schema Versioning, Safe Rollbacks, and CI/CD Automation

October 16, 2026

Learn how to version and automate database migrations using Liquibase. This guide covers ChangeSet configuration, tracking mechanisms, safe rollbacks, and CI/CD pipelines.

Programming

Implementing the Transactional Outbox Pattern in Go with PostgreSQL

October 14, 2026

Dual-write issues between PostgreSQL and message brokers quietly corrupt distributed state. Here is how to implement the Transactional Outbox Pattern in Go with PostgreSQL for zero-loss event dispatch.

Scaling PostgreSQL Vector Search: HNSW Tuning and Table Partitioning for Production RAG

October 11, 2026

Scaling enterprise RAG with PostgreSQL and pgvector demands more than basic indexes. Discover how combining HNSW index tuning with declarative partitioning dropped p95 query latency from 2.8s to 14ms across 8 million vectors.

Database

Mastering pgAudit in PostgreSQL: Production Audit Logging and Security Monitoring Guide

October 9, 2026

Learn how to configure pgAudit in PostgreSQL for production audit logging and compliance monitoring. Discover object-level auditing to track sensitive queries with minimal performance overhead.

Database

Using pg_repack to Fix Table and Index Bloat in PostgreSQL Without Locking Tables

October 8, 2026

PostgreSQL's MVCC model creates dead tuples over time, causing table and index bloat that slows queries and wastes disk space. This guide covers how to use pg_repack to reclaim that space in production with zero table locks — including installation, usage patterns, and ongoing monitoring.

Security

PostgreSQL Database Security in Production: SSL Encryption, pg_hba.conf, and pgAudit

October 7, 2026

Learn how to secure a production PostgreSQL database from the ground up. This guide covers enforcing TLS 1.3 encryption, locking down client authentication with pg_hba.conf, and auditing critical queries with pgAudit.