February 2020
Intermediate to advanced
734 pages
38h 13m
English
Content preview from PostgreSQL 12 High Availability Cookbook - Third Edition
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Consider this our last warning to ensure some kind of proxy is incorporated into your PostgreSQL cluster. In order to complete this upgrade, PgBouncer will be required. If there's already a proxy layer, we encourage either augmenting it with PgBouncer, or replacing it entirely. If there isn't, find a suitable maintenance window and begin working with application developers, management, infrastructure, and any other departments necessary to incorporate a layer of indirection.
It is a painful, one-time event that will prevent a far greater amount of problems in the future. From now on, this chapter will assume that PgBouncer is installed as part of the cluster and is available for certain upgrade steps. Trust us, it's worth the ...
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