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Revisão geral

Revisão geral. CG 08/09. Introdução. Plataformas de processamento paralelo e distribuído Clusters Gerenciadores de recursos NQE SGE Condor Definições de grid. Condor. Escalonamento oportunista Matchmaking Classads Arquitetura e processo principais Comandos principais Checkpointing

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Revisão geral

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  1. Revisão geral CG 08/09

  2. Introdução • Plataformas de processamento paralelo e distribuído • Clusters • Gerenciadores de recursos • NQE • SGE • Condor • Definições de grid

  3. Condor • Escalonamento oportunista • Matchmaking • Classads • Arquitetura e processo principais • Comandos principais • Checkpointing • DAGMan • Master-worker • Flocking

  4. gLite: overview • Aspectos administrativos de desenvolvimento do middleware • Arquitetura: serviços • Job workflow • Segurança • Autenticação • Autorização • Proxies • Organizações virtuais (VO e VOMS)

  5. gLite: overview • Sistema de informação • R-gma e BDDI • Accounting • Apel • Dgas • Storage elements • Gestão de jobs

  6. EGEE • Overview do projeto • Objetivos • Aplicações • Projetos relacionados • Sustentabilidade

  7. Arquitetura de grids e Globus • Desafios • History and Evolution of Grid • Introduction to Grid Architecture • Key Components - Resource infrastructure • Services in the Web and the Grid • Technology: Globus

  8. Arquitetura de grids e Globus • Modelo da ampulheta (hourglass model) • Aplicações • Collective services • Core • Fabric

  9. Arquitetura de grids e Globus • Web services • Grid services • OGSA/OGSI • Globus • Serviços • limitações

  10. Application Description Languages • Script-like • Workflow-based • Xml-based

  11. Languages • DAGMan • VDL • GXML • AGWL • XPWSL • GEL • GRID-ADL

  12. gLite • Autenticação e autorização • Chaves públicas e privadas • Certificados • Formas de criptografia • Segurança no gLite • X.509 PKI • Organizações virtuais • IGTF • Certificate authorities e registration authorities • CRLs • CNs e DNs • Renovação de certificado • Login to the grid, delegation

  13. Grid Systems and Scheduling • Taxonomia (segundo Foster): • Computacionais • Data grids • Service grids • Taxonomia de aplicações • Distributed supercomputing • High-Throughput Computing • On-Demand Computing • Data-Intensive Computing • Collaborative Computing

  14. Grid Systems and Scheduling (cont.) • Alternative classification: • Independent • Loosely-coupled • Tightly-coupled • Application management • Partitioning • Mapping • allocation

  15. Grid Systems and Scheduling (cont.) • Particionamento e aglomeração de grafos de aplicação • Heurísticas de particionamento: • Graph collapsing • Dominant edge • Machine cut • zeroing

  16. Grid Systems and Scheduling (cont.) • Survey de estratégias de escalonamento • Kwok & Ahmad • Casavant & Khul • List scheduling family • Dominance sequence clustering (DSC) • Kumar & Biswas • Minimax • Zomaya et al.: Muliple queues with duplication • Reinforcement learning

  17. Grid Systems and Scheduling (cont.) • Resource management • When to transfer • Which task • Which node • Sender-initiated • Receiver-initiated • Simmetrically-initiated • When to collect info

  18. Scheduling mechanisms for grids(according to Berman and reviewed by Kayser) • Application • Job • Resource • Meta-scheduler

  19. Scheduling mechanisms for grids • Legion • Globus • MyGrid/OurGrid • GrADS • EasyGrid • Nimrod/G • AppLeS • GRAnD/AppMan

  20. Grid Systems and Scheduling (cont.) • Grid operating systems

  21. gLite: WMS & DMS • Workload Management system • Features • API • Data Management System • Features • API

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