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Re: Slow performance when extracting tarballs

To: Stephen So <s.so@xxxxxxxxxxxxxxx>
Subject: Re: Slow performance when extracting tarballs
From: Chris Wedgwood <cw@xxxxxxxx>
Date: Mon, 30 Apr 2007 14:35:38 -0700
Cc: xfs@xxxxxxxxxxx
In-reply-to: <4635DAA4.4070402@griffith.edu.au>
References: <4635DAA4.4070402@griffith.edu.au>
Sender: xfs-bounce@xxxxxxxxxxx
On Mon, Apr 30, 2007 at 10:01:40PM +1000, Stephen So wrote:

> After looking at top during the extraction process, bzip2 uses about
> 80-90% of CPU initially and extraction seems quite fast but after a
> few seconds, it drops to 30-40%, the system becomes non responsive,
> and extraction is much slower.

what does "vmstat 1" look like during this?

> noatime, nodiratime, logbufs=8

have you also tried setting (increasing) logbsize?  (i think you need
v2 logs to make that work)


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