February 2020
Intermediate to advanced
734 pages
38h 13m
English
Content preview from PostgreSQL 12 High Availability Cookbook - Third Edition
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High Availability with repmgr
repmgr is a replication management tool developed by 2ndQuadrant. Originally, it was mainly intended to simplify the management of streaming replicas but has since evolved into a full failover management suite.
Up until now, we've performed a great deal of preliminary work. We know the proper settings, we can create replicas in our sleep, and we have all the skills necessary to troubleshoot and fix a misbehaving server or two. Yet we're still missing at least one critical element to truly achieve high availability: automation.
Many of the recipes in previous chapters cover utilities that are almost automated. We learned how to manage access abstraction in Chapter 4, Proxy and Pooling Resources, for example. ...
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