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WP1 – Release 1

WP1 – Release 1. Massimo Sgaravatto INFN Padova. WP1 PM9 release. User Interface (UI) Command-line for job management operations (job submission, job removal, job status monitoring, logging info visualization)

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WP1 – Release 1

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  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” CE’s 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 (L&B) • Bookkeeping: short term (volatile) data about currently active jobs • Logging: long term (persistent) info about jobs and workload management system

  4. 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

  5. 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)

  6. 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 L&B sw and GT2 alpha already performed: various small changes wrt GT 1.1.3 found in GSI (the only Globus service used by L&B) • Small changes in API’s, 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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