November 2019
Beginner to intermediate
470 pages
11h 59m
English
Content preview from Mastering PostgreSQL 12 - Third Edition
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Configuring for archiving
The first thing we want to do in this chapter is create a configuration to perform standard point-in-time recovery (PITR). There are a couple of advantages of using PITR over ordinary dumps:
- We will lose less data because we can restore the data to a certain point in time and not just to the fixed backup point.
- Restoring will be faster because indexes don't have to be created from scratch. They are just copied over and are ready to use.
Configuring for PITR is easy. Just a handful of changes have to be made in the postgresql.conf file:
wal_level = replica # used to be "hot_standby" in older versions max_wal_senders = 10 # at least 2, better at least 2
The wal_level variable says that the server is supposed to produce ...
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