<div><div dir="auto">The I/O to those jobs is defined as per CC guidelines, there is no “small” I/O the hippo files are about 5 GB merging 10 evio files together. I think the CC need to have better diagnostics. </div></div><div><br><div class="gmail_quote"><div dir="ltr">On Tue, Jul 3, 2018 at 7:56 AM Harout Avakian <<a href="mailto:avakian@jlab.org">avakian@jlab.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<p>FYI</p>
<p>I understood that was fixed. FX could you please check what is
the problem.<br>
</p>
<div class="m_-5789663251165737513moz-forward-container">Harut<br>
<br>
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<td>class12-2 jobs performing lots of small i/o</td>
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<th valign="BASELINE" align="RIGHT" nowrap>Date: </th>
<td>Mon, 2 Jul 2018 08:58:04 -0400 (EDT)</td>
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<th valign="BASELINE" align="RIGHT" nowrap>From: </th>
<td>Kurt Strosahl <a class="m_-5789663251165737513moz-txt-link-rfc2396E" href="mailto:strosahl@jlab.org" target="_blank"><strosahl@jlab.org></a></td>
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<td>Harut Avagyan <a class="m_-5789663251165737513moz-txt-link-rfc2396E" href="mailto:avakian@jlab.org" target="_blank"><avakian@jlab.org></a></td>
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<th valign="BASELINE" align="RIGHT" nowrap>CC: </th>
<td>sciops <a class="m_-5789663251165737513moz-txt-link-rfc2396E" href="mailto:sciops@jlab.org" target="_blank"><sciops@jlab.org></a></td>
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<pre>Harut,
There are a large number of clas12 jobs running through the farm under user clas12-2, these jobs are performing lots of small i/o.
An example of one of these jobs is:
Job Index: 55141495
User Name: clas12-2
Job Name: R4013_13
Project: clas12
Queue: prod64
Hostname: farm12021
CPU Req: 1 centos7 core requested
MemoryReq: 9 GB
Status: ACTIVE
You can see the small i/o by looking: <a class="m_-5789663251165737513moz-txt-link-freetext" href="https://scicomp.jlab.org/scicomp/index.html#/lustre/users" target="_blank">https://scicomp.jlab.org/scicomp/index.html#/lustre/users</a>
w/r,
Kurt J. Strosahl
System Administrator: Lustre, HPC
Scientific Computing Group, Thomas Jefferson National Accelerator Facility
</pre>
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