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Re: Please upgrade! (was: Re: [uml-devel] does O_DIRECT hinder greatly file reading performance but not writing??)
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From: Lamia M.Y. <Lyo...@cs...> - 2004-07-06 05:34:27
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Hello All, Hi BlaisorBlade,<br>
I upgraded to 2.4.24-1um, but the same error still persist on the um..i.e.
the disk reads takes so long when used with the O_DIRECT flag !!<br>
Anybody has any explanation for that??<br>
<br>
Thank you,<br>
Lamia Youseff<br>
<br>
<br>
BlaisorBlade wrote:<br>
<blockquote type="cite"
cite="mid...@ya...">
<pre wrap="">Alle 10:42, venerdì 2 luglio 2004, Lamia M.Youseff ha scritto:
</pre>
<blockquote type="cite">
<pre wrap="">I am running UML 2.4.19 on top of kernel 2.4.25. I have time output like
that (average of 20 runs)
</pre>
</blockquote>
<pre wrap=""><!---->Well, could you try upgrading it to 2.4.24-1um and retesting? That UML is old,
buggy, and outdated.
</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="$mailwrapcol">--
..........................................................
: Lamia M.Youseff : <a class="moz-txt-link-abbreviated" href="mailto:lyo...@cs...">lyo...@cs...</a> :
: Ph.D student : <a class="moz-txt-link-abbreviated" href="http://www.cs.ucsb.edu/~lyouseff">www.cs.ucsb.edu/~lyouseff</a> :
: University of California,: :
: Santa Barbara (UCSB) : :
:........................................................:
: :
: "There are no impossible dreams; there is just our :
: limited perception of what is possible" :
*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'``'*:-.,_,.-:*'*</pre>
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