[OpenAFS] OpenAFS speed

Sven Oehme oehmes@de.ibm.com
Tue, 24 Jun 2003 19:40:54 +0200


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Hy , 

it's all a question on the Hardware and fine tuning Network , Server ...

we also have Transfer rates >25 MB/S into AFS in our Stonehenge Solution

Sven

-----------------------------------------------------------------------------------
Dept. 4192 , AIS Infrastructure 
Development Leader Stonehenge
Phone (+49)-6131-84-3151
Fax      (+49)-6131-84-6708
Mobil   (+49)-171-970-6664
E-Mail : oehmes@de.ibm.com
Questions on Stonehenge  : stonehenge@de.ibm.com





Stephen Joyce <stephen@physics.unc.edu>
Sent by: openafs-info-admin@openafs.org
06/24/2003 06:02 PM
 
        To:     Hartmut Reuter <reuter@rzg.mpg.de>
        cc:     <OpenAFS-info@openafs.org>
        Subject:        Re: [OpenAFS] OpenAFS speed


On Tue, 24 Jun 2003, Hartmut Reuter wrote:

> In our Linux-cluster with Gbit Ethernet
> and ramdisk cache I see transfer rates of > 25 MB/s into AFS.

I've never seen anyone claim transfer rates anywhere close to this with 
any
brand of AFS (except for the testing that umich did ~10 years ago 
bypassing
the cm and using dual paths).

Did you hack the client or server or do anything special to see this 
speed?

Cheers,
Stephen
--
Stephen Joyce
Systems Administrator                                            P A N I C
Physics & Astronomy Department                         Physics & Astronomy
University of North Carolina at Chapel Hill         Network Infrastructure
voice: (919) 962-7214                                        and Computing
fax: (919) 962-0480                               http://www.panic.unc.edu

"UNIX *is* user friendly. It's just selective about who its friends are."

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<br><font size=2 face="sans-serif">Hy , </font>
<br>
<br><font size=2 face="sans-serif">it's all a question on the Hardware
and fine tuning Network , Server ...</font>
<br>
<br><font size=2 face="sans-serif">we also have Transfer rates &gt;25 MB/S
into AFS in our Stonehenge Solution</font>
<br>
<br><font size=2 face="sans-serif">Sven</font>
<br>
<br><font size=2 face="sans-serif">-----------------------------------------------------------------------------------<br>
Dept. 4192 , AIS Infrastructure &nbsp;<br>
Development Leader Stonehenge</font>
<br><font size=2 face="sans-serif">Phone (+49)-6131-84-3151<br>
Fax &nbsp; &nbsp; &nbsp;(+49)-6131-84-6708<br>
Mobil &nbsp; (+49)-171-970-6664<br>
E-Mail : oehmes@de.ibm.com</font>
<br><font size=2 face="sans-serif">Questions on Stonehenge &nbsp;: stonehenge@de.ibm.com</font>
<br>
<br>
<br>
<br>
<table width=100%>
<tr valign=top>
<td>
<td><font size=1 face="sans-serif"><b>Stephen Joyce &lt;stephen@physics.unc.edu&gt;</b></font>
<br><font size=1 face="sans-serif">Sent by: openafs-info-admin@openafs.org</font>
<p><font size=1 face="sans-serif">06/24/2003 06:02 PM</font>
<td><font size=1 face="Arial">&nbsp; &nbsp; &nbsp; &nbsp; </font>
<br><font size=1 face="sans-serif">&nbsp; &nbsp; &nbsp; &nbsp; To:
&nbsp; &nbsp; &nbsp; &nbsp;Hartmut Reuter &lt;reuter@rzg.mpg.de&gt;</font>
<br><font size=1 face="sans-serif">&nbsp; &nbsp; &nbsp; &nbsp; cc:
&nbsp; &nbsp; &nbsp; &nbsp;&lt;OpenAFS-info@openafs.org&gt;</font>
<br><font size=1 face="sans-serif">&nbsp; &nbsp; &nbsp; &nbsp; Subject:
&nbsp; &nbsp; &nbsp; &nbsp;Re: [OpenAFS] OpenAFS speed</font></table>
<br>
<br>
<br><font size=2><tt>On Tue, 24 Jun 2003, Hartmut Reuter wrote:<br>
<br>
&gt; In our Linux-cluster with Gbit Ethernet<br>
&gt; and ramdisk cache I see transfer rates of &gt; 25 MB/s into AFS.<br>
<br>
I've never seen anyone claim transfer rates anywhere close to this with
any<br>
brand of AFS (except for the testing that umich did ~10 years ago bypassing<br>
the cm and using dual paths).<br>
<br>
Did you hack the client or server or do anything special to see this speed?<br>
<br>
Cheers,<br>
Stephen<br>
--<br>
Stephen Joyce<br>
Systems Administrator &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp;P A N I C<br>
Physics &amp; Astronomy Department &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Physics &amp; Astronomy<br>
University of North Carolina at Chapel Hill &nbsp; &nbsp; &nbsp; &nbsp;
Network Infrastructure<br>
voice: (919) 962-7214 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp;and Computing<br>
fax: (919) 962-0480 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; http://www.panic.unc.edu<br>
<br>
&quot;UNIX *is* user friendly. It's just selective about who its friends
are.&quot;<br>
<br>
_______________________________________________<br>
OpenAFS-info mailing list<br>
OpenAFS-info@openafs.org<br>
https://lists.openafs.org/mailman/listinfo/openafs-info<br>
</tt></font>
<br>
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