PostgreSQL 9.4 introduces a new statistic in the catalogue, called pg_stat_archiver. Thanks to the SQL language it is now possible, in an instant, to check the state of the archiving process of transactional logs (WALs), crucial component of a PostgreSQL disaster recovery system.
In our previous article we went through describing what retention policies are and how they can be enforced on your PostgreSQL server backups with Barman 1.2. In this post, we will go through the configuration aspects.
Defining a disaster recovery plan involves defining backup policies. A key aspect of backup policies is to define how long backup data is retained for disaster recovery purposes. This applies to all digital content, including PostgreSQL databases. Barman 1.2.0 introduces automated management of backup retention policies of PostgreSQL servers.
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