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Re: [GENERAL] Deleting unwanted wal files - Mailing list pgsql-general

From krishna chaitanya
Subject Re: [GENERAL] Deleting unwanted wal files
Date
Msg-id CAHiXMMxmkXHk0vqBYL5RcP5swELy1U4MhjYg3Y9qnreVPOutHw@mail.gmail.com
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In response to Re: [GENERAL] Deleting unwanted wal files  (Michael Paquier <michael.paquier@gmail.com>)
Responses Re: [GENERAL] Deleting unwanted wal files  (Michael Paquier <michael.paquier@gmail.com>)
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Thanks for your reply, but will pg_basebackup generate a .backup file when scheduled in cron job so that i can give that as input to pg_archivecleanup. Also if i give archive_cleanup_command in recovery.conf will it check the presence of recovery.conf file automatically and execute the command from that file ? 

On 17 Aug 2017 8:01 p.m., "Michael Paquier" <michael.paquier@gmail.com> wrote:
On Thu, Aug 17, 2017 at 8:06 PM, krish050591 <krish050591@gmail.com> wrote:
> Hi, if i'm using pg_basebackup utility for taking my database backup and also
> enabled wal level archiving, how will i detect the unwanted wal files and
> how will it delete them ?

Have you heard of pg_archivecleanup? Documentation is here:
https://www.postgresql.org/docs/devel/static/pgarchivecleanup.html
If a single archive is not cross-used among multiple standbys, you
could use it with archive_cleanup_command is recovery.conf to remove
unneeded WAL segments.
--
Michael

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