Re: BUG #14932: SELECT DISTINCT val FROM table gets stuck in an infinite loop - Mailing list pgsql-bugs

From Tom Lane
Subject Re: BUG #14932: SELECT DISTINCT val FROM table gets stuck in an infinite loop
Date
Msg-id 4595.1517249498@sss.pgh.pa.us
Whole thread Raw
In response to Re: BUG #14932: SELECT DISTINCT val FROM table gets stuck in aninfinite loop  (Andres Freund <andres@anarazel.de>)
Responses Re: BUG #14932: SELECT DISTINCT val FROM table gets stuck in an infinite loop
List pgsql-bugs
Andres Freund <andres@anarazel.de> writes:
> On 2018-01-29 14:41:49 +0100, Tomas Vondra wrote:
>> Do you think repeating the performance testing is necessary? Not sure
>> when do you plan to push the changes, I may not have time for the tests
>> until after FOSDEM.

> Hm, it surely wouldn't hurt, but your previous result does give a lot of
> confidence - there's not a lot of fundamental difference leaving one
> more mitigation that should never reduce hashtable "quality" aside.  So
> I think going ahead with pushing and then benchmarking if possible, is
> reasonable?

Since the release wrap is this coming Monday, there's not really time to
wait and do something after FOSDEM ...

            regards, tom lane


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