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PostgreSQL 9 Administration Cookbook - Second Edition
book

PostgreSQL 9 Administration Cookbook - Second Edition

by Simon Riggs, GIANNI CIOLLI, Hannu Krosing, Gabriele Bartolini
April 2015
Intermediate to advanced content levelIntermediate to advanced
504 pages
11h 41m
English
Packt Publishing
Content preview from PostgreSQL 9 Administration Cookbook - Second Edition

Standalone hot physical database backup

Hot physical backup is an important capability for databases.

Physical backup allows us to get a completely consistent view of the changes to all databases at once. Physical backup also allows us to back up even while DDL changes are being executed on the database. Apart from resource constraints, there is no additional overhead or locking with this approach.

Physical backup procedures are slightly more complex than logical backup procedures. So, let's start with a simple procedure to produce a standalone backup.

How to do it…

The following steps assume that a number of environment variables have been set, which are as follows:

  • $PGDATA is the path to the PostgreSQL data directory, ending with /
  • $BACKUPNAME is ...
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Publisher Resources

ISBN: 9781849519069Supplemental Content