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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Single-master replication
In single-master replication, if the master dies, one of the standbys must take its place. Otherwise, we will not be able to accept new write transactions. Thus, the designations master and standby are just roles that any node can take at some point. To move the master role to another node, we perform a procedure named switchover. If the master dies and does not recover, then the more severe role change is known as a failover. In many ways, these can be similar, but it helps to use different terms for each event.
We use the term clusterware for software that manages the cluster. Clusterware may provide features such as automatic failover, and in some cases, load balancing.
The complexity of failover makes single-master ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.