PostgreSQL's WAL is one of the core points of PostgreSQL, and used in many areas: Backup, replication, etc.
In this talk, I will mention about everything about WAL that a PostgreSQL DBA must know:
- What is WAL?
- What does it include?
- How to read it?
- What about wal_level ?
- Replication and WAL
- Backup and WAL
- PITR and WAL
- Other topics