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Pre-release documentation. PostgreSQL 19 Beta 3 is a testing release. The final release may differ.
Chapter 28. Reliability and the Write-Ahead Log
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Chapter 28. Reliability and the Write-Ahead Log

Table of Contents

28.1. Reliability
28.2. Data Checksums
28.2.1. Offline Enabling of Checksums
28.2.2. Online Enabling of Checksums
28.3. Write-Ahead Logging (WAL)
28.4. Asynchronous Commit
28.5. WAL Configuration
28.6. WAL Internals

This chapter explains how to control the reliability of PostgreSQL, including details about the Write-Ahead Log.

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27.6. Monitoring Disk Usage  Home  28.1. Reliability

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