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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

How it works…

The pg_controldata utility is a PostgreSQL server application that shows the content of a server's control file. The control file is located within the data directory of a server, and it is created at database initialization time. Some of the information within it is updated regularly, and some when certain major events occur.

The full output of pg_controldata looks like the following (the bold values are those that may change over time as the server runs):

pg_control version number: 1002Catalog version number: 201707211Database system identifier: 6320137769675861859Database cluster state: in productionpg_control last modified: Sun 31 Dec 2017 16:17:41 PM GMTLatest checkpoint location: 0/19000728Prior checkpoint location: 0/19000648 ...
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Publisher Resources

ISBN: 9781788474924Supplemental Content