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Grid Workload Management (WP 1) Report to INFN-GRID TB

Grid Workload Management (WP 1) Report to INFN-GRID TB. Massimo Sgaravatto INFN Padova. Meetings. Last meeting: December 4, 2000 CNAF (C. Vistoli, F. Giacomini) Milano (F. Prelz) Padova (M. Sgaravatto) Torino (L. Gaido, S. Lusso, M. Anglano, A. Werbrouck) Pisa (Z. Xie)

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Grid Workload Management (WP 1) Report to INFN-GRID TB

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  1. Grid Workload Management (WP 1)Report to INFN-GRID TB Massimo Sgaravatto INFN Padova

  2. Meetings • Last meeting: December 4, 2000 • CNAF (C. Vistoli, F. Giacomini) • Milano (F. Prelz) • Padova (M. Sgaravatto) • Torino (L. Gaido, S. Lusso, M. Anglano, A. Werbrouck) • Pisa (Z. Xie) • Catania (S. Cavalieri, S. Monforte) • Cesnet (L. Matyska, M. Ruda, A. Krenek) • Datamat (F. Pacini, S. Beco) • Next meeting: February 6, 2001 • February 5, 2001: Meeting with Italian computer scientists

  3. Discussed items • Discussion of a first draft of a possible internal architecture of the workload manager, describing also the relevant interactions with external services (provided by other WP) • Franceso G. asked to present this picture in the ATF discussions

  4. Discussed items • First deliverables • PM3: Report on current technologies: M. Anglano + report WP 1 (Globus) • PM6: Architecture • Addressing mainly the first release • PM9: First release • Discussions on functionalities that should/could be implemented

  5. Functionalities foreseen for the 1st release • First release of job description language (JDL) used when the job is submitted, to specify the job characteristics (Datamat) • Prototype: Condor ClassAds • First action: HowTo on the use of ClassAds (to make easier the discussions with applications)

  6. Functionalities foreseen for the 1st release • First version of resource broker, that chooses the computing resources where to submit jobs • Published resource access lists are checked as a first step in the resource matchmaking • The “accessible” resource are then matched with the job requests according to • Availability of the requested input data set • Availability of the appropriate application sandbox • Availability of the requested amount of scratch space • Resource characteristics and status • Cesnet: issues related with access control mechanisms (first prototype: grid-mapfiles based system) • Catania (+Pisa): Broker • First prototype: use of Condor matchmaking library (necessary a translator: GIS attributes  ClassAds)

  7. Functionalities foreseen for the 1st release • First version of job submission service • Prototype: Condor-G (submission to Globus resources) • First version of bookkeeping service (Cesnet) • For information related to jobs • First version of logging (Cesnet) • For significant events occurred in the workload management system • First version of command-line user interface (Datamat)

  8. Other info • http://www.infn.it/workload-grid (Torino)

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