Chapter 30. Reliability and the Write-Ahead Log

Table of Contents

30.1. Reliability
30.2. Data Checksums
30.2.1. Off-line Enabling of Checksums
30.3. Write-Ahead Logging (WAL)
30.4. Asynchronous Commit
30.5. WAL Configuration
30.6. WAL Internals

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