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    <p>People,</p>
    <p>Please find the minutes <a moz-do-not-send="true"
href="https://halldweb.jlab.org/wiki/index.php/GlueX_Software_Meeting,_April_30,_2019#Minutes">here</a>
      and below.</p>
    <p>  -- Mark</p>
    <p>_______________________________________________________________</p>
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          <h2 id="firstHeading" class="firstHeading" lang="en"><span
              dir="auto">Minutes, GlueX Software Meeting, April 30, 2019</span></h2>
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              <p>Present:
              </p>
              <ul>
                <li> <b> Glasgow: </b> Peter Pauli</li>
                <li> <b> JLab: </b> Shankar Adhikari, Alexander
                  Austregesilo, Thomas Britton, Mark Dalton, Sean Dobbs,
                  Hovanes Egiyan, Stuart Fegan, Mark Ito (chair), David
                  Lawrence, Justin Stevens, Simon Taylor, Beni Zihlmann</li>
              </ul>
              <p>There is a <a rel="nofollow" class="external text"
                  href="https://bluejeans.com/s/MSaZg/">recording of
                  this meeting</a> on the BlueJeans site. Use your JLab
                credentials to access it.
              </p>
              <h3><span class="mw-headline" id="Announcements">Announcements</span></h3>
              <ol>
                <li> <a rel="nofollow" class="external text"
href="https://mailman.jlab.org/pipermail/jlab-scicomp-briefs/2019q2/000197.html">ifarm1801</a>:
                  is a new interactive farm node with 80 hyper threads
                  and 100 GB of memory.</li>
                <li> <a rel="nofollow" class="external text"
href="https://mailman.jlab.org/pipermail/halld-offline/2019-April/003602.html">New
                    production version set: version_4.4.0.xml, new
                    recon-launch-compatible version set:
                    version_halld_recon_4.1.1.xml</a>. These were
                  announced on April 17. There are new releases of
                  halld_recon, halld_sim, and hdgeant4 referenced.</li>
              </ol>
              <h3><span class="mw-headline"
                  id="Review_of_minutes_from_the_previous_meeting">Review
                  of minutes from the previous meeting</span></h3>
              <p>We went over <a
href="https://halldweb.jlab.org/wiki/index.php/GlueX_Software_Meeting,_April_16,_2019#Minutes"
                  title="GlueX Software Meeting, April 16, 2019">the
                  minutes from the March 5 meeting</a>
              </p>
              <ul>
                <li> Batch 4 of the reconstruction launch at NERSC on
                  Spring 2018 data is 50% done. Over 70% of the jobs for
                  this batch have been submitted.</li>
                <li> No word so far on the proposal to the Pittsburgh
                  Super Computer Center.</li>
              </ul>
              <h3><span class="mw-headline"
                  id="Report_from_the_last_HDGeant4_Meeting">Report from
                  the last HDGeant4 Meeting</span></h3>
              <p>We went over <a
href="https://halldweb.jlab.org/wiki/index.php/HDGeant4_Meeting,_April_23,_2019#Minutes"
                  title="HDGeant4 Meeting, April 23, 2019">the minutes
                  from the meeting on April 23</a>. Thomas reported that
                he has confirmed that <a rel="nofollow" class="external
                  text"
                  href="https://github.com/JeffersonLab/HDGeant4/issues/103">the
                  issue of the missing skip command</a> in HDGeant4 was
                responsible for <a rel="nofollow" class="external text"
href="https://github.com/JeffersonLab/HDGeant4/issues/101">Carlos
                  Salgado's issue with eta prime events</a>.
              </p>
              <h3><span class="mw-headline"
                  id="Collaboration_Meeting_Agenda">Collaboration
                  Meeting Agenda</span></h3>
              <p>We looked over <a
href="https://halldweb.jlab.org/wiki/index.php/GlueX-Collaboration-May-2019"
                  title="GlueX-Collaboration-May-2019">the agenda</a>,
                in particular the Software Tutorial on Monday and the
                Analysis/Offline/Calibration Session on Thursday. Peter
                asked if combo duplicate tracking could be addressed
                during the Tutorial. As there is not a general consensus
                on how this are should be handled, we instead encouraged
                Peter to open an issue on the halld_recon GitHub page on
                the subject.
              </p>
              <h3><span class="mw-headline" id="Database_Storms">Database
                  Storms</span></h3>
              <p>Mark led us through the history and ameliorations,
                tried and planned, to address large loads on the CCDB
                database when many jobs start simultaneously on the
                farm. See <a rel="nofollow" class="external text"
href="https://halldweb.jlab.org/doc-public/DocDB/ShowDocument?docid=3986">his
                  slide</a> and the links therein for all of the
                details.
              </p>
              <h3><span class="mw-headline"
                  id="Review_of_recent_issues_and_pull_requests">Review
                  of recent issues and pull requests</span></h3>
              <p>We reviewed the issues for <a rel="nofollow"
                  class="external text"
                  href="https://github.com/JeffersonLab/halld_recon/issues?q=is%3Aissue">halld_recon</a>,
                <a rel="nofollow" class="external text"
                  href="https://github.com/JeffersonLab/halld_sim/issues?q=is%3Aissue">halld_sim</a>,
                <a rel="nofollow" class="external text"
                  href="https://github.com/JeffersonLab/ccdb/issues?q=is%3Aissue">ccdb</a>,
                and <a rel="nofollow" class="external text"
                  href="https://github.com/JeffersonLab/RCDB/issues?q=is%3Aissue">rcdb</a>.
                Not a lot of discussion was generated.
              </p>
              <h3><span class="mw-headline"
                  id="Review_of_recent_discussion_on_the_GlueX_Software_Help_List">Review
                  of recent discussion on the GlueX Software Help List</span></h3>
              <p>We took a look at <a rel="nofollow" class="external
                  text"
                  href="https://groups.google.com/forum/#!forum/gluex-software">the
                  list</a>. During the discussion of <a rel="nofollow"
                  class="external text"
href="https://groups.google.com/forum/#!topic/gluex-software/4bmUNbvgWQk">Shankar's
                  recent post</a> on beam photon spectra in generated
                events, it was suggested that Thomas include some slides
                on the topic in his talk at the upcoming tutorial.
              </p>
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          <li id="lastmod"> This page was last modified on 1 May 2019,
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