Re: walsender bug: stuck during shutdown

From: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
To: Fujii Masao <masao(dot)fujii(at)oss(dot)nttdata(dot)com>
Cc: Pg Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Chloe Dives <Chloe(dot)Dives(at)cantabcapital(dot)com>, Chris Wilson <chris(dot)wilson(at)cantabcapital(dot)com>
Subject: Re: walsender bug: stuck during shutdown
Date: 2020-11-26 02:45:04
Message-ID: 20201126024504.GA15977@alvherre.pgsql
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On 2020-Nov-26, Fujii Masao wrote:

> On the second thought, walsender doesn't wait forever unless
> wal_sender_timeout is disabled, even in the case in discussion?
> Or if there is the case where wal_sender_timeout doesn't work expectedly,
> we might need to fix that at first.

Hmm, no, it doesn't wait forever in that sense; tracing with the
debugger shows that the process is looping continuously.

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