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XCache DevOps Meeting July 09, 2020

US/Central
Derek Weitzel (University of Nebraska - Lincoln), Marian Zvada (US CMS)
Description

Time: 11AM PT/1PM CT/2PM ET/8PM CET
Where: ZOOM.US

Join from PC, Mac, Linux, iOS or Android: https://unl.zoom.us/j/651969661
Meeting is password-protected: ask #xcache slack channel or xcache@opensciencegrid.org

Or iPhone one-tap :
    US: +16699006833,,651969661#  or +14086380968,,651969661#
Or Telephone:
    Dial(for higher quality, dial a number based on your current location):
        US: +1 669 900 6833  or +1 408 638 0968  or +1 646 876 9923
    Meeting ID: 651 969 661
    International numbers available: https://unl.zoom.us/zoomconference?m=wxCNSgMZiA-cVKSNowGYlQ

Attendees: Marian, Derek, Andy, Edgar, Diego, BrianL, Ilija, Mat, Matevz

News
----
* Andy will ask IN2P3 guys present on one of our meetings about project http://gitbhub.com/xrootd/xrootd-k8s-operator

XRootD development for XCache
-----------------------------
* no time between RC5 and release 5 so v5 is out! (maybe not ideal but it's there)
* Nikolai from Munich discovered critical issue in GSI, fixed and non-reproducible in v5 while it is reproducible in RC5; Nikolai replied today he can see issue in v5, though.

Issues
------
* nothing to report
* start the subpage for the issues linked to the github issues page
* questions by Edgar on specific settings on central lookup option at UCSD and on ofs.forward option that involves two servers with different file systems behind same redirector how deletion acts

ATLAS XCache deployment
-----------------------

* OSG based image needs some fixes: tcmalloc, python3.6, requests package, oss.space config understanding.
* working on a logstash collector for the new g-stream
* VP stuff still shutdown

CMS XCache deployment
---------------------
* nothing to report

Monitoring
----------
* discussion on the monitoring improvements that for validatation by Derek, Andy waiting for the requested changes to be made while Derek says they're in; seems like re-review button in button makes it so that Andy will review and merge.
- https://github.com/xrootd/xrootd/pull/1234

OSG StashCache deployment
-------------------------
* working on all of stuff that Iljia brought up
* Diego is working on the v5 release for OSG (xrootd-hdfs plugin)
* oss.space directive understood via email exchange "Re: oss.space config sanity check"
* https://docs.google.com/document/d/1fkhRNqLzLOjFgkxSzM-qowEMilXudBxHjsOk5-1msA0/edit?usp=sharing

AOB
---
* Discussion on the next meeting: How we manage containers that produce debug information.

There are minutes attached to this event. Show them.
    • News
      Conveners: Dr Derek Weitzel (University of Nebraska - Lincoln), Mr Marian Zvada (US CMS)
    • XRootD development for XCache

      General status of development, XRootD releases with new cache features, bug fixes, etc...

      Conveners: Mr Andrew Hanushevsky (SLAC National Accelerator Laboratory), Matevz Tadel (UCSD), Wei Yang (SLAC)
    • ATLAS XCache deployment
      Conveners: Dr Ilija Vukotic (LAL), Wei Yang (SLAC)
    • CMS XCache deployment
      Conveners: Diego Ciangottini (Universita e INFN, Perugia (IT)), Prof. Frank Wuerthwein (UCSD)
    • OSG StashCache deployment

      Status of OSG deployment, origin/caches operations, stashcp, usage, etc...

      Conveners: Brian Bockelman, Brian Lin (University of Wisconsin-Madison), Dr Derek Weitzel (University of Nebraska - Lincoln), Mr Edgar Fajardo Hernandez (UCSD), John Hicks (Internet2), Mr John Thiltges (University of Nebraska - Lincoln), Mr Marian Zvada (US CMS), Mr Matyas Selmeci (University of Wisconsin-Madison)
    • AOB