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Folks,<br>
<br>
Find the minutes below and at<br>
<br>
<a class="moz-txt-link-freetext" href="https://halldweb1.jlab.org/wiki/index.php/GlueX_Offline_Meeting,_December_10,_2014#Minutes">https://halldweb1.jlab.org/wiki/index.php/GlueX_Offline_Meeting,_December_10,_2014#Minutes</a><br>
<br>
-- Mark<br>
_____________________________________________________<br>
<br>
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GlueX Offline Meeting, December 10, 2014<br>
<div id="bodyContent"><span class="mw-headline" id="Minutes">Minutes</span>
<br>
Present:
<br>
<ul>
<li> <b>CMU</b>: Paul Mattione, Curtis Meyer
</li>
<li> <b>FIU</b>: Eric Pooser
</li>
<li> <b>FSU</b>: Aristeidis Tsaris
</li>
<li> <b>JLab</b>: Alex Barnes, Mark Dalton, Mark Ito
(chair), Manuel Lara, Will McGinley, Kei Moriya, Nathan
Sparks, Mike Staib, Simon Taylor, Beni Zihlmann
</li>
<li> <b>IU</b>: Matt Shepherd
</li>
<li> <b>MIT</b>: Justin Stevens
</li>
<li> <b>NU</b>: Sean Dobbs
</li>
</ul>
<br>
<span class="mw-headline" id="Announcements">Announcements</span><br>
<ol>
<li> <b>Work Disk Usage Report</b> After we ran short of
work disk space a month or two ago, Mark I. started work
on a <a
href="https://halldweb1.jlab.org/diskManagement/workDisk.html"
class="external text" rel="nofollow">web page</a> to
report on large files, large directories, and users with
large disk usage. It is now updated nightly. Reports on
other disk systems are planned.
</li>
<li> <b>GlueX Project Accounts for JLab Farm</b> Mark I.
has asked the Computer Center to set up three new
accounts with elevated priority on the farm for GlueX
projects. The usernames are gxproj1, gxproj2, and
gxproj3. The solves the problem we have been having
where multiple projects running from the "gluex" account
were getting in each others way (long queue waits for
the second one in). Kei is running the offline
monitoring jobs from gxproj1 right now.
</li>
<li> <b>Discontinue SeeVogh Use</b> Mark I. told the
Computer Center that GlueX is not interested in renewing
the license.
</li>
<li> <b>Software Review</b> Rolf Ent is organizing the
next Software Review for February 10 and 11. Curtis
commented that we have a lot of things to show now that
we are analyzing real data from the current
commissioning run.
</li>
</ol>
<br>
<span class="mw-headline"
id="track.2C_itrack.2C_and_the_Truth">track, itrack, and
the Truth</span><br>
<br>
Justin told us that the <a
href="https://mailman.jlab.org/pipermail/halld-offline/2014-October/001847.html"
class="external text" rel="nofollow">changes</a> that
Richard introduced to give sensible truth information for
showers in the BCAL are working well.
<br>
<br>
<span class="mw-headline" id="Data_Challenge_3">Data
Challenge 3</span><br>
<br>
We decided on a schedule for Data Challenge 3.
<br>
<ol>
<li> Before Holiday Shutdown: start generating simulated
raw data and stage it on the Tape Library. Try to get a
lot of this done over the shutdown.
</li>
<li> After Holiday Shutdown: start setting up the
reconstruction jobs to work on the data.
</li>
</ol>
<br>
We discussed trying to use real data for this challenge now
that we have some. We decided against it; the real data
presents multiple challenges of its own that are better
dealt with in a different context.
<br>
We reviewed the goals:
<br>
<ol>
<li> Handle data from the tape library
</li>
<li> Multi-core reconstruction
</li>
<li> Use EVIO-formatted data
</li>
</ol>
<br>
<span class="mw-headline" id="Commissioning_Simulations">Commissioning
Simulations</span><br>
<br>
Sean noted that the geometry in the Hall has changed again
recently. We need to make the updates and re-run simulations
with the new conditions. Changes include more shielding
around the beamline and relocation of the active target
downstream of GlueX.
<br>
<br>
<span class="mw-headline" id="Offline_Data_Monitoring">Offline
Data Monitoring</span><br>
<br>
Paul took us through a tour of the <a
href="https://halldweb1.jlab.org/cgi-bin/data_monitoring/monitoring/runBrowser.py"
class="external text" rel="nofollow">offline monitoring
plots</a> showing new histograms, anomalies, and other
points of interest.
<br>
Mark I. thought that a similar presentation would be nice at
the morning run coordination meeting. That may happen.
<br>
<br>
<span class="mw-headline" id="Run_and_Data_Conditions">Run
and Data Conditions</span><br>
<br>
Sean presented some <a
href="https://halldweb1.jlab.org/wiki/images/c/c0/OfflineMtg_20141209.pdf"
class="internal" title="OfflineMtg 20141209.pdf">slides</a>
on the story behind the recently released <a
href="https://halldweb1.jlab.org/cgi-bin/data_monitoring/run_conditions.pl"
class="external text" rel="nofollow">run conditions web
page</a>. He described the origin of the various fields
and also listed other meta-data (such as software versions)
used in the offline monitoring jobs.
<br>
Some suggestions for improvements were offered. In that
context, Justin asked about the Run Conditions Database that
Dmitry Romanov was working on. We have heard that it
contains similar information, but no one at the meeting has
seen it. Mark reported that he talked to Dmitry about this
recently and agreed to get a version deployed somewhere so
that people can have a look so we can decide where to put
future effort.
<br>
<br>
<span class="mw-headline" id="Version_Management_System">Version
Management System</span><br>
<br>
Mark presented <a
href="http://argus.phys.uregina.ca/cgi-bin/private/DocDB/ShowDocument?docid=2617"
class="external text" rel="nofollow">slides</a> on a
system for specifying a compatible set of versions of the
various software packages we use for GlueX data. An XML file
can be used both to direct a build of the software and to
generate the environment to use such a build. The system has
been tested (but not exhaustively) and is already used by
the gluex_install scripts.
<br>
<br>
<span class="mw-headline" id="Action_Items">Action Items</span><br>
<ol>
<li> Update the Hall geometry. (Simon)
</li>
<li> Run more commissioning simulation (Sean, Mark I.)
</li>
<li> Deploy Dmitry's run conditions database so people can
have a look. (Mark I.)
</li>
<li> Finish roll-out of the version management system.
(Mark I.)
</li>
</ol>
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<pre class="moz-signature" cols="72">--
Mark M. Ito, Jefferson Lab, <a class="moz-txt-link-abbreviated" href="mailto:marki@jlab.org">marki@jlab.org</a>, (757)269-5295</pre>
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