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Subject: RE: Example of analysing a performance problem
Date: Mon, 1 Oct 2007 14:53:05 -0800
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E05CB7F08@onstor-exch02.onstor.net>
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Thread-Topic: Example of analysing a performance problem
Thread-Index: AcgEc5LY1UbGROfSThmL02weLt4j7AAChiRQ
From: "Maxim Kozlovsky" <maxim.kozlovsky@onstor.com>
To: "dl-cstech" <dl-cstech@onstor.com>

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Here is another example:

http://wiki.onstor.net/wiki/KPI_Stats#Problem_with_copying_large_files_o
n_the_mightydog


_____________________________________________
From: Maxim Kozlovsky=20
Sent: Monday, October 01, 2007 2:40 PM
To: dl-cstech
Subject: Example of analysing a performance problem

Hello,

I've added an example of how the performance problems with Onstor filers
should be analyzed to the wiki; hope it will be interesting and useful
for the support:

http://wiki.onstor.net/wiki/KPI_Stats#Problem_with_sequentual_write_perf
ormance_on_Linux_kernel_2.6.18.2B_clients

Max



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<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">Here is another =
example:</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><A =
HREF=3D"http://wiki.onstor.net/wiki/KPI_Stats#Problem_with_copying_large_=
files_on_the_mightydog"><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><U><FONT COLOR=3D"#0000FF" SIZE=3D2 =
FACE=3D"Arial">http://wiki.onstor.net/wiki/KPI_Stats#Problem_with_copying=
_large_files_on_the_mightydog</FONT></U></SPAN><SPAN =
LANG=3D"en-us"></SPAN></A><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 =
FACE=3D"Tahoma">_____________________________________________<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">From:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Maxim Kozlovsky<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Sent:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Monday, October 01, 2007 =
2:40 PM<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">To:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> dl-cstech<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Subject:</FONT></B></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Tahoma"> Example of analysing a performance =
problem</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 FACE=3D"Arial">Hello,</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">I&#8217;ve added an example of how the performance =
problems with Onstor filers should be analyzed to the wiki; hope it will =
be interesting and useful for the support:</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><A =
HREF=3D"http://wiki.onstor.net/wiki/KPI_Stats#Problem_with_sequentual_wri=
te_performance_on_Linux_kernel_2.6.18.2B_clients"><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><U><FONT COLOR=3D"#0000FF" =
SIZE=3D2 =
FACE=3D"Arial">http://wiki.onstor.net/wiki/KPI_Stats#Problem_with_sequent=
ual_write_performance_on_Linux_kernel_2.6.18.2B_clients</FONT></U></SPAN>=
<SPAN LANG=3D"en-us"></SPAN></A><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Arial">Max</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

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