From: Alan Hodgson <ahodgson@simkin.ca>
To: pgsql-performance@postgresql.org
Subject: Re: Rather large LA
Date: Mon, 5 Sep 2011 13:05:06 -0700
Message-ID: <201109051305.07010@hal.medialogik.com> (raw)
In-Reply-To: <97BCA6CA-A1DB-43C7-B710-C2836B656FD6@aggress.net>
References: <F757E48F-2B4F-496D-951B-B04ED98F8FD6@aggress.net>
<4E64D0FE.6020704@squeakycode.net>
<97BCA6CA-A1DB-43C7-B710-C2836B656FD6@aggress.net>
On September 5, 2011, Richard Shaw <richard@aggress.net> wrote:
> Hi Andy,
>
> It's not a new issue no, It's a legacy system that is in no way ideal but
> is also not in a position to be overhauled. Indexes are correct, tables
> are up to 25 million rows.
>
> On startup, it hits CPU more than IO, I'll provide some additional stats
> after I restart it tonight.
I bet it's I/O bound until a good chunk of the active data gets cached. Run
a vmstat 1 while it's that busy, I bet most of the cpu time is really in
io_wait.
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To: pgsql-performance@postgresql.org
Cc: ahodgson@simkin.ca
Subject: Re: Rather large LA
In-Reply-To: <201109051305.07010@hal.medialogik.com>
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