Backup and Restore
- Table of Contents
- 24.1. SQL Dump
- 24.2. File System Level Backup
- 24.3. Continuous Archiving and Point-in-Time Recovery (PITR)
As with everything that contains valuable data, PostgreSQL databases should be backed up regularly. While the procedure is essentially simple, it is important to have a clear understanding of the underlying techniques and assumptions.
There are three fundamentally different approaches to backing up PostgreSQL data:
File system level backup
Each has its own strengths and weaknesses; each is discussed in turn in the following sections.