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)
- 24.4. Warm Standby Servers for High Availability
- 24.5. Migration Between Releases
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 below.