From: Qingqing Zhou <zhouqq@cs.toronto.edu>
To: pgsql-hackers@postgresql.org
Subject: Re: Test request for Stats collector performance improvement
Date: Fri, 16 Jun 2006 12:48:27 +0800
Message-ID: <e6td7b$2oqb$1@news.hub.org> (raw)
References: <e6t8ga$1u5j$1@news.hub.org>
<200606160357.k5G3vN112941@candle.pha.pa.us>
"Bruce Momjian" <pgman@candle.pha.pa.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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-performance@postgresql.org
Cc: zhouqq@cs.toronto.edu, pgsql-hackers@postgresql.org
Subject: Re: Test request for Stats collector performance improvement
In-Reply-To: <e6td7b$2oqb$1@news.hub.org>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox