Tier1 and Tier-2 Weekly Report 2016-12-06

General News

  • ADC Weekly Meeting [20161206]
    • MC Production
      • Running about 150k slots most days
      • 330M in production queue, about 10 requests in approval step
      • MC16 preproduction wil start before break. Expect 260M events over Xmas
      • For Xmas break, stop task submission Dec 21 and resume Jan 5. Hope to have 600M in queue by then?
    • Group Derivation Production
      • Validation with 20.7.8.5 tasks submitted
      • Cleaning up tails of long running derivations jobs
      • Should have new obsolescence list for cleanup before break
    • Reprocessing
      • Running full reprocessing workflow in 21.0.11, one run from 2015, one from 2016
      • Small processing of 5 runs from DRAW_EGZ and DRAW_ZMUMU in 21.0.11 to check alignment
      • 250TB express stream ESD identified for deletion, waiting on decision with 750TB minBias ESD
      • Plans for break should be in place next week, after this week's DPC
        • Preliminary plan was to run some express stream, say 20 runs, AOD+HIST
        • Release 21 is very very late, but want to run something
    • CRC/ADCoS report
      • No major problems from week
      • Some issues with fairshares to allow derivation and upgrade tasks to complete rapidly, even with global shares
        • Merging of derivation tasks is done on 1 core and takes time
        • Some jobs of urgent upgrade task need high memory => only few sites available to run such tasks
        • Lack of monitoring to evaluate total of jobs/event still to be processed
      • Fair amount of user subscriptions resulting in a lot of transfers
      • Some issues with CVMFS stratum 1 and CONDB being behind on latest release being discussed
      • One problematic Powheg task reappeared where should use single core but spawns over all cores
      • Wanting to clean up open GGUS tickets before break (~40)
      • Issues with data transfers to CA-MCGILL-CLUMEQ-T2 mentioned
    • Site Monitoring
      • Followup on sites with low availability due to monitoring issues
      • Discussed queue selection for SAM tests (currently random)
      • From previous meeting, select pq_is_default=1&pq_capability=score
        • Implemented but ~10% of CE's don't have this defined
        • Suggest adding new flag etf_default and use this if true or pick randomly otherwise
      • Some discussion about VOfeed
    • Pilot Update
      • Hotfix release of v67.2 today (wrong event type sent with trace)
      • v67.3 release this week once finish testing
        • Relax checksum verification in new lsm mover
        • Added https protocol to list of supported schemes in new GFAL mover
        • Changes for nightlies
        • Add teskID to tracing report * CRC/ADCoS report
  • CA Cloud Squad Actions
  • Open Issues and Ongoing Discussions
  • WLCG and General Computing News
    • Security News
    • gLite/EMI News
  • ROC_Canada News

ABCD Determination and Monitoring

SSB Results

SAM Results (based on VO tests)

APEL Accounting

APEL Synchronization Test Links

Production and Usage Status

-- %USERSIG{LeslieGroer - 2016-12-06%

Comments

Topic revision: r1 - 2016-12-06 - LeslieGroer
 
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