| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, "Todd A(dot) Cook" <tcook(at)blackducksoftware(dot)com>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, PostgreSQL Bugs <pgsql-bugs(at)postgresql(dot)org> |
| Subject: | Re: BUG #14932: SELECT DISTINCT val FROM table gets stuck in an infinite loop |
| Date: | 2018-01-29 18:11:38 |
| Message-ID: | 4595.1517249498@sss.pgh.pa.us |
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| Lists: | pgsql-bugs |
Andres Freund <andres(at)anarazel(dot)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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