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PostgreSQL Write-Ahead Logging (WAL)

Write-Ahead Logging (WAL) is PostgreSQL's crash recovery mechanism that logs all changes before applying them to data files, ensuring transaction durability and enabling point-in-time recovery.

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9/10/2025

PostgreSQL WAL Tuning: Optimize Write-Ahead Logging for Production

Master PostgreSQL WAL tuning to prevent database crashes and disk space issues. This guide covers WAL internals, architecture, and production best practices for engineers.

6 sections
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