Re: VACUUM degrades performance significantly. Database

From: Jeff <threshar(at)torgo(dot)978(dot)org>
To: Gaetano Mendola <mendola(at)bigfoot(dot)com>
Cc: pgsql-general(at)postgresql(dot)org, jleelim(at)xxxxxx(dot)com
Subject: Re: VACUUM degrades performance significantly. Database
Date: 2003-10-20 12:03:29
Message-ID: 20031020080329.50530d02.threshar@torgo.978.org
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On Sun, 19 Oct 2003 22:02:11 +0200
Gaetano Mendola <mendola(at)bigfoot(dot)com> wrote:

> Are you sure ? In my RH9.0 installation I obtain:
>
> # elvtune /dev/sda7
>
> /dev/sda7 elevator ID 5
> read_latency: 64
> write_latency: 8192
> max_bomb_segments: 6
>
>

The default on RH8 is:
/dev/hda1 elevator ID 0
read_latency: 2048
write_latency: 8192
max_bomb_segments: 0

which match his values. I'm quite interested in this and I'm going to
try playing with it later today...

--
Jeff Trout <jeff(at)jefftrout(dot)com>
http://www.jefftrout.com/
http://www.stuarthamm.net/

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