February 2020
Intermediate to advanced
734 pages
38h 13m
English
Content preview from PostgreSQL 12 High Availability Cookbook - Third Edition
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How it works...
WAL-E is generally easy to use once it has been installed. In this case, we merely need to modify the postgresql.conf configuration file and reload PostgreSQL to change the archive_command parameter. Assuming our installation of WAL-E is working properly, there really are no more steps. However, it's always a good idea to verify.
Regarding the changes we made to postgresql.conf, only two are different than those we dictated in the Configuration – getting it right the first time recipe of Chapter 3, Minimizing Downtime.
We begin by setting archive_command to invoke the wal-e utility. The wal-push parameter tells it to transmit the specified file to our cloud storage and to assume it's a WAL file. It performs some cursory checks ...
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