Re: Add hint about replication slots when nearing wraparound

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От Simon Riggs
Тема Re: Add hint about replication slots when nearing wraparound
Дата
Msg-id CANP8+j+HDL7CEW1Dwsq+LcbELXGQXmyDeVJES2OQsSN4fgP73A@mail.gmail.com
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Ответ на Re: Add hint about replication slots when nearing wraparound  (Michael Paquier <michael.paquier@gmail.com>)
Список pgsql-hackers
On 27 December 2017 at 11:39, Michael Paquier <michael.paquier@gmail.com> wrote:
> On Wed, Dec 27, 2017 at 08:47:20AM +0100, Feike Steenbergen wrote:
>> Changed the block from a note to a caution,
>
> Thanks for the new version.
>
> - "You might also need to commit or roll back old prepared transactions.")));
> + "You might also need to commit or roll back old prepared transactions, or drop stale replication slots.")));
> Would "or TO drop stale replication slots" be more correct English?
>
>         ereport(WARNING,
>                 (errmsg("oldest xmin is far in the past"),
> -                errhint("Close open transactions soon to avoid wraparound problems.")));
> +                errhint("Close open transactions soon to avoid wraparound problems. You might also need to commit or
rollback old prepared transactions, or drop stale replication slots.")));
 
>
> I am not convinced that you need this bit. autovacuum_freeze_max_age can
> be set to lower to even lower values than the default.
>
> Still, those are minor comments, so I am marking this patch as ready for
> committer to get more input from higher-ups.

I left that in for consistency.

Applied, thanks.

-- 
Simon Riggs                http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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