May 2019
Intermediate to advanced
600 pages
20h 46m
English
book
PostgreSQL 11 Administration Cookbook
by Simon Riggs, Gianni Ciolli, Sudheer Kumar Meesala, Sheldon Strauch
Content preview from PostgreSQL 11 Administration Cookbook
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It's possible for a problem to be caused by replaying the transaction log so that the database server will fail to start.
Some people's response to this is to use a utility named pg_resetwal, which removes the current transaction log files and tidies up after that operation has taken place.
The pg_resetwal utility destroys data changes and that means data loss. If you do decide to run that utility, make sure that you take a backup of the pg_wal directory first. Our advice is to seek immediate assistance rather than do this. You don't know for certain that doing this will fix a problem though, once you've done it, you will have difficulty going back.
When discussing min_wal_size, we mentioned that WAL files are recycled; what ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.