FW: Removal of $PGDATA/base files that existed before streaming replication (v9.2.4)

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From: pgsql-admin-owner(at)postgresql(dot)org [mailto:pgsql-admin-owner(at)postgresql(dot)org] On Behalf Of Stéphane Schildknecht
Sent: Wednesday, August 28, 2013 10:23 AM
To: pgsql-admin(at)postgresql(dot)org
Subject: Re: [ADMIN] Removal of $PGDATA/base files that existed before streaming replication (v9.2.4)

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Le 28/08/2013 15:50, Dana Rea a écrit :
> Dear pgsql-admin,
>
> I set up streaming replication using the rsync base backup described
> in the wiki:
> http://wiki.postgresql.org/wiki/Binary_Replication_Tutorial
>
> However, before starting replication I had previously loaded some
> databases on the "Secondary" server for testing. Folders for those
> db's are still in base/ and are consuming a lot of disk space. du
> reports that the base on my Secondary is twice as large as on the Primary.
>
> Do I have safe options for removing this unused data, beyond clearing
> the Secondary's $PGDATA folder and re-doing the synchronization?
>
> Cheers,
>

Hi,

You should try "rsync" with --delete option.
Therefore you'll be able to not synchronize what's already on slave, and delete what's not on the master anymore.

Regards,

- --
Stéphane Schildknecht
http://www.Loxodata.com
Contact régional PostgreSQL
http://bistri.me/sas

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