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XCache DevOps Meeting Feb 18 SPECIAL, 2021

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: Gabriele Fronze (guest), Derek, Marian, Edgar, Diego, Ilija, Andy, Carlos, Matevz, Mat, Riccardo

News
----
* registration open for OSG AHM:
https://indico.fnal.gov/event/47040/registrations/2899/
* Edgar is leaving, his last day with OSG is February 28. Good luck, Edgar!
* presentation from Gabriele Frozne on "StashCache benchmarking on the IGWN infrastructure: a programmatic approach", slides uploaded to
indico:
https://indico.fnal.gov/event/47941/attachments/140197/176127/VIRGO-Grabriele_Fronze-XCache_DevOps.pdf

XRootD development for XCache
-----------------------------
* stay tuned

XCache issues
-------------
* Diego is taking responsibility from Edgar for SoCal caches, not sure what about CMS caches

ATLAS XCache deployment
-----------------------
* I am running 5.1.0rc6 everywhere. XCaches are stable.
* Using SLATE I deployed 3 servers at AGLT2.
* All xcaches are sending a simple heartbeats to VP at CERN
* Working now on changes in Rucio that will enable it to use multinode caches.

CMS XCache deployment
---------------------
* no report, not sure about CMS caches support that was under Edgar's management

OSG StashCache deployment
-------------------------
* new container update policy;
https://github.com/opensciencegrid/technology/pull/877
* OSG has 5.1.0rc7 in the 3.5-upcoming-testing repos

XRootD transfers monitoring
---------------------------
* new generation collector in production
* writing report for scale validation
* comparing data in MONiT between GLED and new collector sources

AOB
---
* Carlos noted they upgraded caches to v5.0.x and things are running OK
* will subscribe Gabriele to the xcache list

 

There are minutes attached to this event. Show them.
    • 1:00 PM 1:05 PM
      News
      Conveners: Dr Derek Weitzel (University of Nebraska - Lincoln) , Mr Marian Zvada (US CMS)
    • 1:05 PM 1:10 PM
      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)
    • 1:10 PM 1:15 PM
      XCache issues

      XCache issues experienced during the deployment, configuration or otherwise causing problems in production or development.

    • 1:15 PM 1:20 PM
      ATLAS XCache deployment
      Conveners: Dr Ilija Vukotic (LAL) , Wei Yang (SLAC)
    • 1:20 PM 1:25 PM
      CMS XCache deployment
      Conveners: Diego Ciangottini (Universita e INFN, Perugia (IT)) , Mr Edgar Fajardo Hernandez (UCSD) , Prof. Frank Wuerthwein (UCSD)
    • 1:25 PM 1:35 PM
      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)
    • 1:35 PM 1:40 PM
      XRootD transfers monitoring
      Conveners: Dr Derek Weitzel (University of Nebraska - Lincoln) , Diego Davila (CMS) , Mr Edgar Fajardo Hernandez (UCSD)
    • 1:40 PM 1:45 PM
      AOB