Re: Test request for Stats collector performance improvement - Mailing list pgsql-hackers

From Qingqing Zhou
Subject Re: Test request for Stats collector performance improvement
Date
Msg-id e6t1qu$10k4$1@news.hub.org
Whole thread Raw
In response to Test request for Stats collector performance improvement  (Bruce Momjian <pgman@candle.pha.pa.us>)
Responses Re: Test request for Stats collector performance improvement  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: Test request for Stats collector performance improvement  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-hackers
"Tom Lane" <tgl@sss.pgh.pa.us> wrote
>
> Hm?  I don't see any improvement there:
>

I was referening this sentence, though I am not sure why that's the
expectation:
>
> "Bruce Momjian" <pgman@candle.pha.pa.us> wrote
> If the patch worked, the first and third times will be similar, and
> the second time will be high.
>

-- After patch --

real    0m1.275s
user    0m0.097s
sys     0m0.160s

real    0m4.063s
user    0m0.663s
sys     0m0.377s

real    0m1.259s
user    0m0.073s
sys     0m0.160s






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