From: Denis Vlasenko <vda@ilport.com.ua>
To: Willy Tarreau <willy@w.ods.org>
Cc: Al Boldi <a1426z@gawab.com>, linux-kernel@vger.kernel.org
Subject: Re: Eradic disk access during reads
Date: Sun, 18 Sep 2005 13:40:28 +0300 [thread overview]
Message-ID: <200509181340.28683.vda@ilport.com.ua> (raw)
In-Reply-To: <20050917184643.GA1313@alpha.home.local>
> > > You can do " readspeed </dev/hda | tr '\r' '\n' > log " with the readspeed
> > > tool from there :
> > > http://w.ods.org/tools/readspeed
> >
> > Does it have msec resolution?
>
> no, it does not. It will only show you the average transfer rate during
> the past second each second. It often helps me tune network, nfs, raid, ...
>
> Denis' tool seems clearly more suited to analyse your problem.
Denis' tool just got a homepage :)
http://195.66.192.167/linux/vdautil-0.5/src/
--
vda
prev parent reply other threads:[~2005-09-18 10:41 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-17 4:26 Al Boldi
2005-09-17 5:50 ` Willy Tarreau
2005-09-17 10:32 ` Al Boldi
2005-09-17 10:44 ` Denis Vlasenko
2005-09-17 16:38 ` Al Boldi
2005-09-18 11:00 ` Denis Vlasenko
2005-09-18 13:40 ` Al Boldi
2005-09-18 16:02 ` Denis Vlasenko
2005-09-18 16:34 ` Willy Tarreau
2005-09-18 18:08 ` Al Boldi
2005-09-17 18:46 ` Willy Tarreau
2005-09-18 4:16 ` Al Boldi
2005-09-18 5:23 ` Willy Tarreau
2005-09-18 6:54 ` Al Boldi
2005-09-18 10:40 ` Denis Vlasenko [this message]
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