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WP1

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Job Submission Service (JSS) Job management operations and responsible to keep tracks of ... info about jobs and workload management system. WP1 testbed ... – PowerPoint PPT presentation

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Title: WP1


1
WP1 Release 1
  • Massimo Sgaravatto
  • INFN Padova

2
WP1 PM9 release
  • User Interface (UI)
  • Command-line for job management operations (job
    submission, job removal, job status monitoring,
    logging info visualization)
  • Job Description Language (JDL) used when the job
    is submitted, to specify its characteristics and
    requirements
  • Condor ClassAds based
  • Resource Broker (RB)
  • Responsible to choose the best CEs where to
    submit jobs
  • Matchmaking between requirements specified in the
    JDL expression and available resources (published
    in the MDS Replica Catalog)

3
WP1 PM9 release
  • Job Submission Service (JSS)
  • Job management operations and responsible to keep
    tracks of submitted jobs
  • Wrapper of Condor-G
  • Information Index (II)
  • Used by the RB as first filter in the resource
    discovery process
  • Application of Globus GIIS
  • Logging and Bookkeeping Services (LB)
  • Bookkeeping short term (volatile) data about
    currently active jobs
  • Logging long term (persistent) info about jobs
    and workload management system

4
(No Transcript)
5
WP1 testbed
RC
Submitting machine (UI, RBclient, LBclient)
RBServer, JSS, LB
sunlab2g
II
lx01 Imperial College
INFN-CNAF
grid004f
grid001f
CE
CE
CE
INFN-Milano PBS
INFN-Padova LFS - Condor
CESNET-Prague PBS
6
Status of the WP1 PM9 release
  • UI, JSS, LB, II ready
  • Some problems with RB
  • Some problems in the matchmaking with the new GIS
    schema (agreed ? just few weeks ago)
  • Interface with RC
  • Waiting for Condor-G bug fix (problem under
    stress conditions)
  • No extensive/stress tests done
  • Hopefully ready by October 15th (with Globus
    1.1.3)

7
WP1 and Globus (1.1.3 and 2.0)
  • Many Globus services exploited in WP1 software
    GSI, MDS, GRAM
  • Now Globus 1.1.3 alpha 4 deployed in WP1 testbed
  • MDS2.1 alpha 3
  • persistent jobmanager (by Condor) customized
    by WP1 for logging functionalities
  • Globus 1.1.3 ? Globus 2.0
  • Some tests with LB sw and GT2 alpha already
    performed various small changes wrt GT 1.1.3
    found in GSI (the only Globus service used by
    LB)
  • Small changes in APIs, behavior, etc. expected
    (and welcome)
  • ?Tests needed with Globus 2.0 to see if
    everything keeps working and to implement the
    required modifications (if necessary)
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