[Halld-offline] Software Meeting Minutes, March 2, 2022

Mark Ito marki at jlab.org
Thu Mar 3 10:27:47 EST 2022

When I sent out the minutes yesterday, I neglected to include a link to 
Bryan Hess's slides. You can find them here 
The wiki version of the minutes have been updated.

On 3/2/22 7:43 PM, Mark Ito wrote:
> Folks,
> Please find the minutes here 
> <https://halldweb.jlab.org/wiki/index.php/GlueX_Software_Meeting,_March_2,_2022#Minutes> 
> and below.
>   -- Mark
>      ________________________________
>     Minutes, GlueX Software Meeting, March 2, 2022
> Present: Alex Austregesilo, Nathan Brei, Sean Dobbs, Bryan Hess, Mark 
> Ito (chair), Igal Jaegle, Richard Jones, David Lawrence, Curtis Meyer, 
> Keigo Mizutani, Wesley Moore, Simon Taylor, Beni Zihlmann
> There is a recording of this meeting 
> <https://jlab-org.zoomgov.com/rec/share/eCPvaj8NwRYSbGzYjDDr3wte-jwzRT23yoUfeTQl1k38WUkD-KcgduIdbrOxOMUw.WiMdUxV6bhMu3Z7M?startTime=1646245833000> 
> on the ZoomGov site. (Passcode: htzd69.p)
>       Announcements
> Mark mentioned that there are *a series of pull requests from Simon* 
> responding to a request from Richard to modify Simon's recent changes 
> to the hddm_s schema, to support the CPP muon chambers, backward 
> compatible with existing hddm data. The pull requests are for 
> halld_recon, halld_sim, and hdgeant4. Once they work their way through 
> the system, we will need a new version set.
>       OSG/Offsite Computing Update
> Bryan brought us up-to-date with work over the last few years to stand 
> up the infrastructure, both hardware and software, that allows us to 
> use the OSG and other off-site computing resources. Please see his 
> slides for the details. From the discussion:
>   * With the new token-based authentication used in version 3.6, there
>     is an issue with having multiple instances of the submit host on
>     the same physical node. We need this to support the GlueX, JLab,
>     and EIC VOs. A solutions is being developed.
>   * Bryan described the difficulty in exposing our large Lustre
>     partitions to access from offsite via XRootD.
>   * He described the plan to use existing file servers to carve out
>     space to serve out GlueX data on StashCache.
>   * Wes gave some details on a problem accessing StashCache data via
>     CVMFS from the farm. Work on this is on-going.
>   * Sean mentioned the need for GlueX to communicate our ideas on
>     OSG-related workflows to SciComp and for SciComp to keep us
>     up-to-date with current work and new directions in this area.
>     Along these lines, Wes expressed a desire for a channel where they
>     can get feedback on solutions that SciComp is pursuing. We agreed
>     that we should have regular meetings with interested parties to
>     discuss these topics, much as they were discussed at today's
>     meeting. Bryan will mention the concept at tomorrow's SciComp
>     meeting (where the other Halls are represented), Sean will put
>     together a list of the workflow ideas we are contemplating and
>     Mark will arrange a kick-off meeting at the end of March.
>       Review of Minutes from the Last Software Meeting]]
> We looked at the minutes from February 16th meeting 
> <https://halldweb.jlab.org/wiki/index.php/GlueX_Software_Meeting,_February_16,_2022#Minutes>. 
> We need to get going on a new system for producing containers. Related 
> to that Mark is working on adjustments to our builds so that there is 
> no difference between builds on the JLab CentOS 7 farm nodes and those 
> produced with a CentOS 7 container. Then these two builds can be 
> consolidated into one and this single build can be shipped to Oasis 
> for use off-site.
>       FAQ of the Fortnight: What do I have to know when transitioning
>       from SWIF to SWIF2?
> We looked again at Alex's wiki page 
> <https://halldweb.jlab.org/wiki/index.php/Transition_from_SWIF_to_SWIF2> 
> giving advice on the topic.
> Alex also mentioned that Chris Larrieu liked the related discussion on 
> the Software Help list 
> <https://groups.google.com/g/gluex-software/c/F3u3wQSS0CI>, but Chris 
> lamented the fact that folks in the other Halls will not benefit from 
> this and similar exchanges. Mark mentioned that we had proposed 
> upgrading from Mailman 
> <https://halldweb.jlab.org/doc-public/DocDB/ShowDocument?docid=4522> 
> some time ago, but that effort never got off the ground.
>       Software Coordination
> We went over the list of responsibilities 
> <https://docs.google.com/document/d/1QF8fWjIoLHejyhXPgAzwjp6s5JLl6PM64efow1WnoBQ/edit> 
> that will have to be taken over by others when the current Software 
> Coordinator retires.
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