Horton

Re: Transaction timeout

Junwang Zhao <zhjwpku@gmail.com>

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From: Junwang Zhao <zhjwpku@gmail.com>
To: Japin Li <japinli@hotmail.com>
Cc: "Andrey M. Borodin" <x4mmm@yandex-team.ru>, 邱宇航 <iamqyh@gmail.com>, Fujii Masao <masao.fujii@oss.nttdata.com>, Andrey Borodin <amborodin86@gmail.com>, Andres Freund <andres@anarazel.de>, Michael Paquier <michael.paquier@gmail.com>, Nikolay Samokhvalov <samokhvalov@gmail.com>, pgsql-hackers <pgsql-hackers@postgresql.org>, pgsql-hackers@lists.postgresql.org
Date: 2023-12-22T15:30:56Z
Lists: pgsql-hackers

Attachments

On Fri, Dec 22, 2023 at 10:44 PM Japin Li <japinli@hotmail.com> wrote:
>
>
> On Fri, 22 Dec 2023 at 22:37, Junwang Zhao <zhjwpku@gmail.com> wrote:
> > On Fri, Dec 22, 2023 at 10:25 PM Japin Li <japinli@hotmail.com> wrote:
> >> I try to set idle_in_transaction_session_timeout after begin transaction,
> >> it changes immediately, so I think transaction_timeout should also be take
> >> immediately.
> >
> > Ah, right, idle_in_transaction_session_timeout is set after the set
> > command finishes and before the backend send *ready for query*
> > to the client, so the value of the GUC is already set before
> > next command.
> >
>
> I mean, is it possible to set transaction_timeout before next comand?
>
Yeah, it's possible, set transaction_timeout in the when it first
goes into *idle in transaction* mode, see the attached files.

>
> --
> Regrads,
> Japin Li
> ChengDu WenWu Information Technology Co., Ltd.



-- 
Regards
Junwang Zhao

Commits

  1. Add TAP tests for timeouts

  2. Remove flaky isolation tests for timeouts

  3. Followup fixes for transaction_timeout

  4. Introduce transaction_timeout

  5. On systems that have setsid(2) (which should be just about everything except