Re: pgsql: Avoid archiving XLOG_RUNNING_XACTS on idle server

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От Andres Freund
Тема Re: pgsql: Avoid archiving XLOG_RUNNING_XACTS on idle server
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Msg-id 20160404062450.GB2431@awork2.anarazel.de
обсуждение исходный текст
Ответ на pgsql: Avoid archiving XLOG_RUNNING_XACTS on idle server  (Simon Riggs <simon@2ndQuadrant.com>)
Ответы Re: pgsql: Avoid archiving XLOG_RUNNING_XACTS on idle server  (Michael Paquier <michael.paquier@gmail.com>)
Re: pgsql: Avoid archiving XLOG_RUNNING_XACTS on idle server  (Simon Riggs <simon@2ndQuadrant.com>)
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Дерево обсуждения 
On 2016-04-04 06:19:04 +0000, Simon Riggs wrote:
> Avoid archiving XLOG_RUNNING_XACTS on idle server
>
> If archive_timeout > 0 we should avoid logging XLOG_RUNNING_XACTS if idle.
>
> Bug 13685 reported by Laurence Rowe, investigated in detail by Michael Paquier,
> though this is not his proposed fix.
> 20151016203031.3019.72930@wrigleys.postgresql.org
>
> Simple non-invasive patch to allow later backpatch to 9.4 and 9.5

Uh. This is wrong. For one it breaks cleanup with logical decoding which
does *NEED* to know that nothing is happening. Although only once, not repeatedly.

Andres

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