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OSG Technology Area Meeting, 13 July 2020

Coordinates: Conference: +1 312-626-6799, PIN: 718 161 330, https://cern.zoom.us/j/718161330 (password sent separately)
Attending: BrianL, Carl, Diego, Edgar, Marian, Marco Mambelli, Mat

Announcements

  • Mat OOO tomorrow
  • TimT OOO until next Monday
  • Derek OOO next week
  • OSG User School this week and next week

Triage Duty

  • This week: Edgar
  • Next week: Carl
  • 7 (+0) open FreshDesk tickets
  • 0 (+0) open GGUS ticket

JIRA

# of tickets Δ State
164 +9 Open
45 +5 In Progress
11 -6 Ready for Testing
10 +9 Ready for Release

OSG Software Team

  • OSG 3.5.20
    • AI (Diego): Investigate XRootD 5 VMU failures (SOFTWARE-3923)
    • AI (Edgar): Work with XRootD developers to obtain a patch for XRootD 5 and build it in OSG
  • Containers
    • AI (Edgar): Review XCache default directories PR (SOFTWARE-4159)
    • AI (Edgar): Add tcmalloc to XCache containers (SOFTWARE-4166)
    • AI (Edgar): Promote frontier-squid container to stable (SOFTWARE-4156)
    • AI (Carl): Transition software base and Frontier Squid to GitHub Actions (SOFTWARE-4171, SOFTWARE-4172)
  • Enterprise Linux 8
    • AI (Edgar): Test OpenSSL 1.1.1 support for xrootd-lcmaps (SOFTWARE-4150)
      • Testing via XCache not possible because Python bindings for HTCondor (for OSG) are not available yet. Edgar will test using xrootd-standalone
    • AI (Mat): Add functioning VMU tests for EL8 (SOFTWARE-4072)
    • AI (Mat): Build osg-wn-client tarball (SOFTWARE-4050)
  • AI (BrianL): Design a plan with Derek/BrianB to generate pilot records in the OSG pilot container (SOFTWARE-4169)

Discussion

  • The task of tagging CC resources will be performed by Hosted CE operators (for Hosted CEs) or by BrianL or delegate for other resources. Actual tagging will wait until the site's CC status is public.

GlideinWMS

  • Developers continuing to work on Python 3 migration
  • Marco will build test versions of GlideinWMS into the osg-contrib repos

Support Update

  • Edgar working with Georgia Tech for fixing their cache; will set up a screen sharing session in order to speed up communication with admins.

OSG Release Team

3.4.54 Δ Both Δ 3.5.20 Δ Total Δ Status
0 +0 0 +0 6 +1 6 +1 Open
0 +0 0 +0 8 +2 8 +2 In Progress
0 +0 0 +0 4 -7 4 -7 Ready for Testing
0 +0 0 +0 9 +9 9 +9 Ready for Release
0 +0 0 +0 27 +5 27 +5 Total
  • Software
    • Ready for Testing
      • 3.5.20
        • osg-xrootd 3.5-13
        • scitokens-cpp 0.5.1
        • Upcoming: XRootD 5.0.0
    • Ready for Release
      • HTCondor-CE 4.4.0
      • Frontier-Squid 4.12-2
      • CVMFS 2.7.3 / cvmfs-config-2.7.3 / osg-oasis 16-5
  • Data
    • Nothing
  • Operations
    • Nothing
  • Contrib
    • Nothing

Discussion

  • Edgar will check if the logging changes in osg-xrootd 3.5-13 are included in his current containers.

  • No release this week.

OSG Investigations Team

  • OSG Summer School is this week, Derek is participating.
  • XRootD Monitoring Validation is ongoing, and taking significant amount of time (and development / bugfixes)
    • Report writing is continuing.
    • Several patches accepted upstream.
  • CVMFS Singularity Sync is going to start using singularity to create the containers. Working with interested parties on testing.
  • XRootD 5 release and built in OSG. Preparing TLS configurations for upstreaming, though bugs in xrootd5 are the current issue (watching xcache mailing list).

Discussion

None this week