| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Simon Riggs <simon(at)2ndQuadrant(dot)com> |
| Cc: | pgsql-committers(at)postgresql(dot)org |
| Subject: | Re: pgsql: Avoid archiving XLOG_RUNNING_XACTS on idle server |
| Date: | 2016-04-04 06:24:50 |
| Message-ID: | 20160404062450.GB2431@awork2.anarazel.de |
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| Lists: | pgsql-committers pgsql-hackers |
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(dot)3019(dot)72930(at)wrigleys(dot)postgresql(dot)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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