May 2017
Beginner
416 pages
10h 37m
English
Content preview from Mastering PostgreSQL 9.6
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Replaying the transaction log
Let us sum up the process so far. We have adjusted postgresql.conf file (wal_level, max_wal_senders, archive_mode, and archive_command) and we have allowed for pg_basebackup extension in pg_hba.conf file. Then the database has been restarted and a base backup has successfully been produced.
Keep in mind that base backups can happen while the database is fully operational—only a brief restart to change the max_wal_sender and wal_level variables is needed. The backup can happen while the database is fully active.
Now after the system has been working properly, we might face a crash from which we want to recover. Therefore, we can perform PITR to restore as much data as potentially possible. The first thing we've ...
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