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.
If the patch did that, I agree it would be wrong. It doesn't, deliberately.
--
Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
