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CHEP 2000

CHEP 2000. Smart Resource Management Software in High Energy Physics Wolfgang Gentzsch and Lothar Lippert Gridware GmbH & Inc. Padua, 9 February 2000. CHEP 2000 Resource Management with CODINE / GRD. Technical Requirements and Features. what do we offer to help HEP Computing.

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CHEP 2000

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  1. CHEP 2000 Smart Resource Management Software in High Energy Physics Wolfgang Gentzsch and Lothar Lippert Gridware GmbH & Inc. Padua, 9 February 2000

  2. CHEP 2000 Resource Management with CODINE / GRD Technical Requirements and Features • what do we offer to help HEP Computing Gridware - The Company • Technology Leader in Resource Management A special offer to the HEP community • Our answer to falling hardware-prices

  3. Technical Requirements and Features • Array Jobs • Advanced Queue Concept • Policy Management • Separation of Components • Solutions for mixing interactive and batch • Simplified system administration • AFS Support • CORBA Interface • All “classic” Features • Availability

  4. Array Jobs #!/bin/sh ... 1 single Submit-Command for thousands of similar jobs Example: qsub -t 1-1000:1 jobscript.sh • creates 1000 instances of a single job • The whole array can be (also partly) manipulated (deleted, suspended, ...) with 1 command • unlimited number of instances

  5. Advanced Queue Concept “Emergency Room Concept” “Grocery Store Concept” Job Q1 Cluster Job Job Dispatch Q2 • The whole cluster can be adressed • Soft requests are supported • No empty queues while others are more than full • each host can be treated with different policies • users just request resources • Cluster is split • Queues may run empty • users have to decide for a queue • Job has to stay in line also if other resources are unused Example: qsub -q 10MQ jobscript.sh Example: qsub -l mem_free=10M jobscript.sh higher efficiency

  6. Execute jobs earlier Policy Management Override System Fairshare 20% Group1 Boosts temporarily project/job/group/department 30% Group2 50% Group3 Raise group Share Utilization Time

  7. Separation of Components Separation of Master and Scheduler • Scalability • high performance • good response time • faster job placement

  8. Simplified system administration Conifiguration changes without any pain • No daemon restarts necessary • Add machines ‘on the fly’ • Ability to install the entire cluster from one workstation • No submit daemons or configuration needed for client • Optimized architecture provides reliability

  9. What else? All “classic” Features • accounting, monitoring, suspension, sensors ... Interactive vs. Batch • time windows • automatic suspend • migration, ... Availability • all leading unix platforms CORBA Interface AFS Support

  10. The company GENIAS Chord • based in Germany • European Union funded projects • R&D company • located in California • leader in sales of RMS • Technology leader in Resource Management • Goal: make CODINE world standard in Resource Management

  11. Our experience EU funded research projects • REMUS • UNICORE... Reseach & Development • DESY Zeuthen (long relationship) • CASPUR (recently switched to CODINE) • MPI (Max Planck Institutes) • ... Industry • BMW • SAAB • SIEMENS • ...

  12. Contact Us http://www.gridware.de mbox@gridware.de +49 (0) 9401 92 00 0 lothar.lippert@gridware.de

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