Re: is there a warm standby sync trigger? - Mailing list pgsql-general

From Michael Paquier
Subject Re: is there a warm standby sync trigger?
Date
Msg-id CAB7nPqRXwEHBeEZ=M5DPF8coFFuAr3bRdOyt==eN=LikVKFAPA@mail.gmail.com
Whole thread Raw
In response to is there a warm standby sync trigger?  (John Smith <jayzee.smith@gmail.com>)
Responses Re: is there a warm standby sync trigger?  (Sameer Kumar <sameer.kumar@ashnik.com>)
List pgsql-general
On Fri, Oct 24, 2014 at 12:30 AM, John Smith <jayzee.smith@gmail.com> wrote:
>
> i want to setup a warm standby that listens 24/7 but only syncs when
> told to (ie only when i am ok with the database updates, will i
> trigger the sync).
> can i?
>
> i don't want to manually backup and restore like i do now.

That's what pause_at_recovery_target is aimed for:
http://www.postgresql.org/docs/devel/static/recovery-target-settings.html
Simply set up the recovery target you want to check, and use
pause_at_recovery_target to put the standby in a latent state you can
check. If the state of your server does not satisfy your needs,
shutdown the server and change the target. Note that operations are
not backward btw.
--
Michael


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