Re: history file on replica and double switchover

From: Anastasia Lubennikova <a(dot)lubennikova(at)postgrespro(dot)ru>
To: Grigory Smolkin <g(dot)smolkin(at)postgrespro(dot)ru>, Postgres hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: history file on replica and double switchover
Date: 2020-09-03 23:29:36
Message-ID: b3a3ff0c-eabd-58ad-94be-846b067fed33@postgrespro.ru
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On 27.08.2020 16:02, Grigory Smolkin wrote:
> Hello!
>
> I`ve noticed, that when running switchover replica to master and back
> to replica, new history file is streamed to replica, but not archived,
> which is not great, because it breaks PITR if archiving is running on
> replica. The fix looks trivial.
> Bash script to reproduce the problem and patch are attached.
>
Thanks for the report. I agree that it looks like a bug.

For some reason, patch failed to apply on current master, even though I
don't see any difference in the code.
I'll attach this thread to the next commitfest, so it doesn't get lost.

--
Anastasia Lubennikova
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company

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