Re: pg_cancel_backend and pg_terminate_backend

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От Holger Jakobs
Тема Re: pg_cancel_backend and pg_terminate_backend
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Msg-id 961aa7e4-b076-c66b-3c23-32bdd5e352a3@jakobs.com
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Ответ на Re: pg_cancel_backend and pg_terminate_backend  (Wells Oliver <wells.oliver@gmail.com>)
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Am 19.04.23 um 22:13 schrieb Wells Oliver:
Because longer idle transactions are used by a bunch of processes, but it's a certain group of users I don't want having idle transactions, so here we are...

On Wed, Apr 19, 2023 at 1:11 PM Thomas Kellerer <shammat@gmx.net> wrote:
Wells Oliver schrieb am 19.04.2023 um 21:41:
> I usually prefer pg_cancel_backend because it seems.. nicer, but
> lately I've had a troublesome user who leaves transactions open and
> I've scripted up a call to pg_terminate_backend after 60 minutes in
> an idle transaction. It works well.

Why don't you use the idle_in_transaction_session_timeout to do this automatically?

Actually, you can set this for certain users:

ALTER ROLE alice SET idle_in_transaction_session_timeout TO '100 s';

But the fact that this is possible implies that each session can set this parameter to any value, AFAIK. Correct me if I'm wrong.
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Holger Jakobs, Bergisch Gladbach, Tel. +49-178-9759012
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