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<p class="MsoNormal">I suspect I'm having performance issues because of network speeds.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><i>Supposedly</i> I have 10gbit connections on all my NAS devices, however, it seems to me that the fastest I can write is 1Gbit. When I'm copying very large files, etc, I see 'D' as the cp waits to I/O, but when I go the gluster servers,
I don't see glusterfsd waiting (D) to write to the bricks themselves. I have 4 nodes, each with 10Gbit connection, each has 2 Areca RAID controllers with 12 disk raid5, and the 2 controllers stripped into 1 large volume. Pretty sure there's plenty of i/o
left on the bricks themselves.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Is it possible that "one big file" isn't the right test… should I try 20 big files, and see how saturated my network can get?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:8.0pt;font-family:"Arial","sans-serif"">Erik Aronesty
<br>
Senior Bioinformatics Architect</span><span style="font-size:5.0pt;font-family:"Arial","sans-serif""><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:10.0pt;font-family:"Georgia","serif";color:#5F6062">EA | Quintiles<br>
</span></b><b><i><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:#D31145">Genomic Services</span></i></b><b><i><span style="font-size:5.0pt;font-family:"Arial","sans-serif";color:#EC6E30"><o:p></o:p></span></i></b></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif"">4820 Emperor Boulevard<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif"">Durham, NC 27703 USA<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:#1B4579"><br>
</span><span style="font-size:8.0pt;font-family:"Arial","sans-serif"">Office: + 919.287.4011<br>
</span><a href="mailto:kmichailo@expressionanalysis.com"><span style="font-size:8.0pt;color:blue">erik.aronesty@quintiles.com</span></a><span style="font-size:8.0pt;color:#1B4579"><br>
</span><span style="font-size:5.0pt;font-family:"Arial","sans-serif";color:#1B4579"><br>
</span><a href="http://www.quintiles.com/"><span style="font-size:8.0pt;color:blue">www.quintiles.com</span></a><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:#1B4579"> </span><span style="font-size:5.0pt;font-family:"Arial","sans-serif";color:#1B4579"><br>
</span><a href="http://www.expressionanalysis.com/"><span style="font-size:8.0pt;color:blue">www.expressionanalysis.com</span></a><span style="font-size:8.0pt;color:#1B4579"><br>
</span><a href="https://www.twitter.com/simulx"><span style="color:windowtext;text-decoration:none"><img border="0" width="16" height="16" id="Picture_x0020_1" src="cid:image001.jpg@01CF865C.EDE64C80" alt="cid:image001.jpg@01CDEF4B.84C3E9F0"></span></a><span style="color:#1C467A"> </span><a href="http://www.facebook.com/aronesty"><span style="color:windowtext;text-decoration:none"><img border="0" width="16" height="16" id="Picture_x0020_2" src="cid:image002.jpg@01CF865C.EDE64C80" alt="cid:image002.jpg@01CDEF4B.84C3E9F0"></span></a><span style="color:#1C467A"> </span><a href="http://www.linkedin.com/in/earonesty"><span style="color:windowtext;text-decoration:none"><img border="0" width="16" height="16" id="Picture_x0020_3" src="cid:image003.jpg@01CF865C.EDE64C80" alt="cid:image003.jpg@01CDEF4B.84C3E9F0"></span></a><span style="font-size:8.0pt;color:#1B4579"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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