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GriPhyN Management

GriPhyN Management. Mike Wilde University of Chicago, Argonne wilde@mcs.anl.gov Paul Avery University of Florida avery@phys.ufl.edu GriPhyN NSF Project Review 29-30 January 2003 Chicago. GriPhyN Management. Management Paul Avery (Florida) co-Director Ian Foster (Chicago) co-Director

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GriPhyN Management

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  1. GriPhyN Management Mike WildeUniversity of Chicago, Argonnewilde@mcs.anl.govPaul AveryUniversity of Floridaavery@phys.ufl.eduGriPhyN NSF Project Review29-30 January 2003Chicago

  2. GriPhyN Management • Management • Paul Avery (Florida) co-Director • Ian Foster (Chicago) co-Director • Mike Wilde (Argonne) Project Coordinator • Rick Cavanaugh (Florida) Deputy Coordinator Mike Wilde, University of Chicago wilde@mcs.anl.gov

  3. DOE Science Internet 2 NSF PACIs GriPhyNManagement ArchitectureCarl Kesselman Project Directors Paul Avery Ian Foster External Advisory Committee Industrial Connections Ian Foster / Paul Avery Outreach/Education Manuela Campanelli Project CoordinationMike WildeRick Cavanaugh iVDGLRob Gardner EDG, LCG, Other Grid Projects Physics Experiments Applications Coord.: R. Cavanaugh ATLAS (Rob Gardner) CMS (Rick Cavanaugh) LIGO (Albert Lazzarini) SDSS (Alexander Szalay) VDT Development Coord.: M. Livny Requirements, Definition & Scheduling (Miron Livny) Integration, Testing, Documentation, Support (Alain Roy) Globus Project & NMI Integration (Carl Kesselman) CS Research Coord.: I. Foster Virtual Data (Mike Wilde) Request Planning & Scheduling (Ewa Deelman) Execution Management (Miron Livny) Measurement, Monitoring & Prediction (Valerie Taylor) Inter-Project Coordination: R. Pordes HICB(Larry Price) HIJTB (Carl Kesselman) PPDG(Ruth Pordes) TeraGrid, NMI, etc.(TBD) International (EDG, etc) (Ruth Pordes) iVDGL Mike Wilde, University of Chicago wilde@mcs.anl.gov

  4. External Advisory Committee • Members • Fran Berman (SDSC Director) • Dan Reed (NCSA Director) • Joel Butler (former head, FNAL Computing Division) • Jim Gray (Microsoft) • Bill Johnston (LBNL, DOE Science Grid) • Fabrizio Gagliardi (CERN, EDG Director) • David Williams (former head, CERN IT) • Paul Messina (former CACR Director) • Roscoe Giles (Boston U, NPACI-EOT) • Met with us 3 times: 4/2001, 1/2002, 1/2003 • Extremely useful guidance on project scope & goals Mike Wilde, University of Chicago wilde@mcs.anl.gov

  5. GriPhyN Project Challenges • We balance and coordinate • CS researchwith “goals, milestones & deliverables” • GriPhyN schedule/priorities/riskswith those of the 4 experiments • General tools developed by GriPhyNwith specific tools developed by 4 experiments • Data Grid design, architecture & deliverableswith those of other Grid projects • Appropriate balance requires • Tight management, close coordination, trust • We have (so far) met these challenges • But requires constant attention, good will Mike Wilde, University of Chicago wilde@mcs.anl.gov

  6. Meetings in 2000-2001 • GriPhyN/iVDGL meetings • Oct. 2000 All-hands Chicago • Dec. 2000 Architecture Chicago • Apr. 2001 All-hands, EAC USC/ISI • Aug. 2001 Planning Chicago • Oct. 2001 All-hands, iVDGL USC/ISI • Numerous smaller meetings • CS-experiment • CS research • Liaisons with PPDG and EU DataGrid • US-CMS and US-ATLAS computing reviews • Experiment meetings at CERN Mike Wilde, University of Chicago wilde@mcs.anl.gov

  7. Meetings in 2002 • GriPhyN/iVDGL meetings • Jan. 2002 EAC, Planning, iVDGL Florida • Mar. 2002 Outreach Workshop Brownsville • Apr. 2002 All-hands Argonne • Jul. 2002 Reliability Workshop ISI • Oct. 2002 Provenance Workshop Argonne • Dec. 2002 Troubleshooting Workshop Chicago • Dec. 2002 All-hands technical ISI + Caltech • Jan. 2003 EAC SDSC • Numerous other 2002 meetings • iVDGL facilities workshop (BNL) • Grid activities at CMS, ATLAS meetings • Several computing reviews for US-CMS, US-ATLAS • Demos at IST2002, SC2002 • Meetings with LCG (LHC Computing Grid) project • HEP coordination meetings (HICB) Mike Wilde, University of Chicago wilde@mcs.anl.gov

  8. Planning Goals • Clarify our vision and direction • Know how to make a difference in science & computing • Map that vision to each application • Create concrete realizations of our vision • Organize as cooperative subteams with specific missions and defined points of interaction • Coordinate our research programs • Shape toolkit to meet challenge-problem needs • “Stop, Look, and Listen” to each experiment’s need • Excite the customer with our vision • Balance the promotion of our ideas with a solid understanding of the size and nature of the problems Mike Wilde, University of Chicago wilde@mcs.anl.gov

  9. Project Approach Application Analysis CS Research VDT VDT Development VDT Development Development Process Infrastructure Developmentand Deployment Infrastructure Deployment IS Deployment Challenge ProblemSolution Development Challenge ProblemSolution Integration Challenge Problem Identification time Mike Wilde, University of Chicago wilde@mcs.anl.gov

  10. Project Activities • Research • Experiment Analysis • Use cases, statistics, distributions, data flow patterns, tools, data types, HIPO • Vision Refinement • Attacking the “hard problems” • Virtual data identification and manipulation • Advanced resource allocation and execution planning • Scaling this up to Petascale • Architectural Refinement • Toolkit Development • Integration • Identify and Address Challenge Problems • Testbed construction • Support • Evaluation Mike Wilde, University of Chicago wilde@mcs.anl.gov

  11. Research Milestone Highlights Y1: Execution framework Virtual data prototypes Y2: Virtual data catalog w/glue language Integ w/ scalable replica catalog service Initial resource usage policy language Y3: Advanced planning, fault recovery Intelligent catalog Advanced policy languages Y4: Knowledge management and location Y5: Transparency and usability Scalability and manageability Mike Wilde, University of Chicago wilde@mcs.anl.gov

  12. Research Leadership Centers • Virtual Data: • Chicago (VDC, VDL, KR), ISI (Schema) • Wisconsin (NeST), SDSC (MCAT,SRB) • Request Planning • ISI (algorithms), Chicago (policy),Berkeley (query optimization) • Request Execution • Wisconsin • Fault Tolerance • SDSC • Monitoring • Northwestern • User interface • Indiana Mike Wilde, University of Chicago wilde@mcs.anl.gov

  13. Project Status Overview • Year 1 research fruitful • Virtual data, planning, execution, integration—demonstrated at SC2001 • Research efforts launched • 80% focused – 20% exploratory • VDT effort staffed and launched • Yearly major release; VDT1 close; VDT2 planned; VDT3-5 envisioned • Year 2 experiment integrations high level plans done; detailed planning underway • Long term vision refined and unified Mike Wilde, University of Chicago wilde@mcs.anl.gov

  14. Milestones: Architecture • Early 2002: • Specify interfaces for new GriPhyN functional modules • Request Planner • Virtual Data Catalog service • Monitoring service • Define how we will connect and integrate our solutions, e.g.: • Virtual data language • Multiple-catalog integration • DAGman graphs • Policy langauge • CAS interaction for policy lookup and enforcement • Year-end 2002: phased migration to a web-services based architecture Mike Wilde, University of Chicago wilde@mcs.anl.gov

  15. Status: Virtual Data • Virtual Data • First version of a catalog structure built • Integration language “VDL” developed • Detailed transformation model designed • Replica location service at Chicago & ISI • Highly scalable and fault tolerant • Soft-state distributed architecture • NeSt at UW • Storage appliance for the Grid • Treats data transfer as a job step Mike Wilde, University of Chicago wilde@mcs.anl.gov

  16. Milestones: Virtual Data • Year 2: • Local Virtual Data Catalog Structures (relational) • Catalog manipulation language (VDL) • Linkage to application metadata • Year 3: Handling multi-modal virtual data • Distributed virtual data catalogs (based on RLS) • Advanced transformation signatures • Flat, objects, OODBs, relational • Cross-modal depdendency tracking • Year 4: Knowledge representation • Ontologies; data generation paradigms • Fuzzy dependencies and data equivalence • Year 5: Finalize Scalability and Manageability Mike Wilde, University of Chicago wilde@mcs.anl.gov

  17. Status: Planning and Execution • Planning and Execution • Major strides in execution environment made with Condor, CondorG, and DAGman • DAGs evolving as pervasive job specification model with the virtual data grid • Large-scale CMS production demonstrated on 3-site wide-area multi-organization grid • LIGO demonstrated full GriPhyN integration • Sophisticated policy language for grid-wide resource sharing under design at Chicago • Knowledge representation research underway at Chicago • Research in ClassAds explored in Globus context • Master/worker fault tolerance at UCSD • Design proposed to extend fault tolerance of Condor masters Mike Wilde, University of Chicago wilde@mcs.anl.gov

  18. Milestones: Request Planning • Year 2: • Protype planner as a grid service module • Intial CAS and Policy Language Integration • Refinement of DAG language with data flow info • Year 3: • Policy enhancements: dynamic replanning (based on Grid monitoring), cost alternatives and optimizations • Year 4: • Global planning with policy constraints • Year 5: • Incremental global planning • Algorithms evaluated, tuned w/ large-scale simulations Mike Wilde, University of Chicago wilde@mcs.anl.gov

  19. Milestones: Request Execution • Year 2: • Request Planning and Execution • Striving for increasingly greater resource leverage with increasing both power AND transparency • Fault tolerance – keeping it all running! • Intial CAS and Policy Language Integration • Refinement of DAG language with data flow info • Resource utiization monitoring to drive planner • Year 3: • Resource co-allocation with recovery • Fault tolerant execution engines • Year 4: • Execution adapts to grid resource availability changes • Year 5: • Simulation-based algorithm eval and tuning Mike Wilde, University of Chicago wilde@mcs.anl.gov

  20. Status: Supporting Research • Joint PPDG-GriPhyN Monitoring group • Meeting regularly • Use-case development underway • Research into monitoring, measurement, profiling, and performance predication • Underway at NU and ANL • GRIPE facility for Grid-wide user and host certificate and login management • GRAPPA portal for end-user science access Mike Wilde, University of Chicago wilde@mcs.anl.gov

  21. Status – Experiments • ATLAS • 8-site testgrid in place • data and metadata management prototypes evolving • Ambitious Year-2 plan well refined – will use numerous GriPhyN deliverables • CMS • Working prototypes of production and distributed analysis, both with virtual data • Year-2 plan – simulation production – underway • LIGO • Working prototypes of full VDG demonstrated • Year-2 plan well refined and development underway • SDSS • Year-2 plan well refined • Challenge problem development underway • close collaboration with Chicago on VDC Mike Wilde, University of Chicago wilde@mcs.anl.gov

  22. Year 2 Plan: ATLAS • ATLAS-GriPhyN Challenge Problem I • ATLAS DC0: 10M events, O(1000) CPUs • Integration of VDT to provide uniform distributed data access • Use of GRAPPA portal, possibly over DAGman • Demo ATLAS SW Week – March 2002 Mike Wilde, University of Chicago wilde@mcs.anl.gov

  23. Year 2 Plan: ATLAS • ATLAS-GriPhyN Challenge Problem II • Virtualization of pipelines to deliver analysis data products: reconstructions and metadata tags • Full chain production and analysis of event data • Prototyping of typical physicist analysis sessions • Graphical monitoring display of event throughput throughout the Grid • Live update display of distributed histogram population from Athena • Virtual data re-materialization from Athena • Grappa job submission and monitoring Mike Wilde, University of Chicago wilde@mcs.anl.gov

  24. Year 2 Plan: SDSS • Challenge Problem 1 – Balanced resources • Cluster Galaxy Cataloging • Exercises virtual data derivation tracking • Challenge Problem 2 – Compute Intensive • Spatial Correlation Functions and Power Spectra • Provides a research base for scientific knowledge search-engine problems • Challenge Problem 3 – Storage Intensive • Weak Lensing • Provides challenging testbed for advanced request planning algorithms Mike Wilde, University of Chicago wilde@mcs.anl.gov

  25. Integration of GriPhyN and iVDGL • Tight integration with GriPhyN • Testbeds • VDT support • Outreach • Common External Advisory Committee Mike Wilde, University of Chicago wilde@mcs.anl.gov

  26. U.S. Piece US ProjectDirectors International Piece US External Advisory Committee Collaborating Grid Projects GriPhyNMike Wilde US Project Steering Group DataTAG TeraGrid EDG LCG? Asia BTEV ALICE Bio Geo ? Facilities Team D0 PDC CMS HI ? Core Software Team Operations Team Project Coordination Group Applications Team GLUE Interoperability Team Outreach Team iVDGL Management & Coordination Mike Wilde, University of Chicago wilde@mcs.anl.gov

  27. Global Context: Data Grid Projects • U.S. Infrastructure Projects • GriPhyN (NSF) • iVDGL (NSF) • Particle Physics Data Grid (DOE) • TeraGrid (NSF) • DOE Science Grid (DOE) • EU, Asia major projects • European Data Grid (EDG) (EU, EC) • EDG related national Projects (UK, Italy, France, …) • CrossGrid (EU, EC) • DataTAG (EU, EC) • LHC Computing Grid (LCG) (CERN) • Japanese Project • Korea project Mike Wilde, University of Chicago wilde@mcs.anl.gov

  28. Coordination with US Efforts • Trillium = GriPhyN + iVDGL+ PPDG • NMI & VDT • Networking initiatives • HENP working group within Internet2 • Working closely with National Light Rail • New proposals Mike Wilde, University of Chicago wilde@mcs.anl.gov

  29. International Coordination • EU DataGrid & DataTAG • HICB: HEP Inter-Grid Coordination Board • HICB-JTB: Joint Technical Board • GLUE • Participation in LHC Computing Grid (LCG) • International networks • Standing Committee on Inter-regional Connectivity • Digital Divide projects, IEEAF Mike Wilde, University of Chicago wilde@mcs.anl.gov

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