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PostgreSQL 10 Administration Cookbook - Fourth Edition
book

PostgreSQL 10 Administration Cookbook - Fourth Edition

by Simon Riggs, Gianni Ciolli
May 2018
Intermediate to advanced content levelIntermediate to advanced
576 pages
30h 25m
English
Packt Publishing
Content preview from PostgreSQL 10 Administration Cookbook - Fourth Edition

Getting ready

This recipe assumes that you have already set up replication according to the earlier recipes so that wal_level, max_wal_senders, and other parameters are set.

A replication slot represents one link between two nodes. At any time, each slot can support one connection. If you draw a diagram of your replication architecture, then each connecting line is one slot. Each slot must have a unique name. The slot name must contain only lowercase letters, numbers, and underscores.

As discussed previously, each node should have a unique name. So a suggestion would be to construct the slot name from the two node names that it links. For various reasons, there may be a need for multiple slots between two nodes, so additional information ...

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Publisher Resources

ISBN: 9781788474924Supplemental Content