| From: | "Qingqing Zhou" <zhouqq(at)cs(dot)toronto(dot)edu> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Test request for Stats collector performance improvement |
| Date: | 2006-06-16 04:48:27 |
| Message-ID: | e6td7b$2oqb$1@news.hub.org |
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| Lists: | pgsql-hackers pgsql-patches pgsql-performance |
"Bruce Momjian" <pgman(at)candle(dot)pha(dot)pa(dot)us> wrote
>
> Any idea why there is such a variance in the result? The second run
> looks quite slow.
>
No luck so far. It is quite repeatble in my machine -- runing times which
show a long execution time: 2, 11, 14, 21 ... But when I do strace, the
weiredness disappered totally. Have we seen any strange things like this
before?
Regards,
Qingqing
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