Chapter 29. Reliability and the Write-Ahead Log

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Development versions: 19 / 20devel

Unsupported versions: 13 / 12 / 11 / 10 / 9.6 / 9.5 / 9.4 / 9.3 / 9.2 / 9.1 / 9.0 / 8.4 / 8.3 / 8.2 / 8.1 / 8.0 / 7.4 / 7.3 / 7.2 / 7.1

Historical version. PostgreSQL 13 has reached end of support. 2025-11-13. See the current manual.

Chapter 29. Reliability and the Write-Ahead Log
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Table of Contents

This chapter explains how the Write-Ahead Log is used to obtain efficient, reliable operation.

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