On 10/18/2016 01:37 PM, Andres Freund wrote:
> On 2016-10-09 21:51:07 -0700, Josh Berkus wrote:
>> Given that hot_standby_feedback is pretty bulletproof now, and a lot of
>> the work in reducing replay conflicts, I think the utility of
>> vacuum_defer_cleanup_age is at an end. I really meant so submit a patch
>> to remove it to 9.6, but it got away from me.
> HS feedback doesn't e.g. work well with delayed and/or archived replay,
> whereas defer_cleanup does.
Oh, point! See, that's why I polled, I knew there was something I was
> On the other hand, removing it would make some of the reasoning around
> GetOldestXmin() a bit easier.
Enough to make it worth breaking the above?
Red Hat OSAS
(any opinions are my own)
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