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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Getting ready
The user application must be connected to a master to issue transactions that write data. The default level of durability is defined by the synchronous_commit parameter. That parameter is user-settable, so it can be set for different applications, sessions, or even individual transactions. For now, ensure that the user application is using this level:
SET synchronous_commit = on;
We must decide which standbys should take over from the master in the event of a failover. We do this by setting a parameter called synchronous_standby_names.
You will need to configure at least three nodes to use sync rep correctly.
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