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From: Al Boldi <a1426z@gawab.com>
To: Willy Tarreau <willy@w.ods.org>, Denis Vlasenko <vda@ilport.com.ua>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Eradic disk access during reads
Date: Sun, 18 Sep 2005 21:08:16 +0300	[thread overview]
Message-ID: <200509182102.32721.a1426z@gawab.com> (raw)
In-Reply-To: <20050918163450.GA1516@alpha.home.local>

Willy Tarreau wrote:
> On Sun, Sep 18, 2005 at 07:02:17PM +0300, Denis Vlasenko wrote:
> > > Also, great meter!  Best of all does not hog the CPU!
> > > Could you add a top3 procs display?
> >
> > What is a "top3 procs display"?

top 3 procs that eat most of the CPU.

> probably something which will turn your tool into sort of a complex and
> unusable one when another session running 'top' could do the trick.

Top is super-expensive.

> Oh, BTW, the first reason I wrote my tool was to avoid copying into
> /dev/null which consumes a small amount of CPU. Thus, I made it a pure
> data eater. It might be interesting to run it instead of 'dd' while your
> tool is running, to see if system usage decreases a bit.

Good idea!

Thanks!

--
Al


  reply	other threads:[~2005-09-18 18:10 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 [this message]
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

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