Re: Eradic disk access during reads

From: Al Boldi
Date: Sun Sep 18 2005 - 13:11:14 EST


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

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