PostgreSQL

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How to Enable Checksums in PostgreSQL

A NetApp study found 400,000+ silent data corruptions across 1.5M drives. Learn how to enable PostgreSQL checksums at init, on existing clusters, and detect corruption before it reaches your backups.

How Do You Check Progress on PostgreSQL's Crash Recovery Process?

PostgreSQL 14's compactify_tuples optimization made crash recovery 2.4x faster. Learn 5 methods to monitor WAL replay progress, from pg_controldata to pg_stat_recovery_prefetch.

PostgreSQL Autovacuum Internals & Tuning Guide

At default settings, a 1 TB PostgreSQL table accumulates up to 200 GB of dead rows before autovacuum triggers. Learn how autovacuum's cost model works and how to tune it for production databases.

PostgreSQL Running Slow? A Step-by-Step Diagnostic Guide

Your PostgreSQL database is slow and you don't know why. This guide walks through a systematic diagnosis process — slow queries, EXPLAIN analysis, index auditing, and autovacuum.