Re: Pause streaming replication

From: Rita <rmorgan466(at)gmail(dot)com>
To: Ben Chobot <bench(at)silentmedia(dot)com>
Cc: "pgsql-general(at)postgresql(dot)org >> PG-General Mailing List" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Pause streaming replication
Date: 2021-11-11 01:36:45
Message-ID: CAOF-Kfi7_YXDGCNcPKX_aRd1ikMLapKOooZbM0YTPZd9+CZcrA@mail.gmail.com
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Yes, I have read the manual and seen this. It pauses the replication
(select pg_is_wal_replay_paused()). But on the primary, when I look at
pg_stat_replication, it still says 'streaming' in the state column. My
question was how do I get it from 'streaming' to anything else? (
https://www.postgresql.org/docs/11/monitoring-stats.html#PG-STAT-REPLICATION-VIEW)
?

I want to trigger an alert when 'streaming' isn't there. Or is there a
better way to do it?

On Wed, Nov 10, 2021 at 7:24 PM Ben Chobot <bench(at)silentmedia(dot)com> wrote:

> Rita wrote on 11/10/21 1:25 PM:
> > Hello.
> >
> > I am testing alerting on my primary and standby setup. I have async
> > replication working but I would like to temporarily pause it so the
> > value of 'state' isn't streaming. (select * from pg_stat_replication).
> >
> > How can I do that?
>
> By reading the fine manual:
>
> https://www.postgresql.org/docs/current/functions-admin.html#FUNCTIONS-RECOVERY-CONTROL-TABLE
>
> The function you are looking for is pg_wal_replay_pause().
>

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