Re: Test request for Stats collector performance improvement
Qingqing Zhou <zhouqq@cs.toronto.edu>
From: "Qingqing Zhou" <zhouqq@cs.toronto.edu>
To: pgsql-hackers@postgresql.org
Date: 2006-06-16T01:34:12Z
Lists: pgsql-hackers, pgsql-performance
"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