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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
The Open Science Grid
Ted Hesselroth
Fermilab
Slide attribution: Ruth Pordes, Miron Livny, Frank
Wuerthwein, Paul Avery, Kent Blackburn,CNGrid
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
Map of OSG Sites
OSG is a grid organization funded by a SciDAC-2/NSF grant 30 million dollars over five years. 33 FTE. 77 compute and 15 storage elements
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
OSG Mission Statement
Practical support for end-to-end community systems in a
heterogeneous gobal environment to
Transform compute and data intensive science through
a national cyberinfrastructure that includes from the smallest to the largest organizations.
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
OSG Goals – Use of Existing Resources
● Enable scientists to use and share a greater % of
available compute cycles.
● Help scientists to use distributed systems, storage,
processors, and software with less effort.
● Enable more sharing and reuse of software and
reduce duplication of effort through providing effort in
integration and extensions.
● Establish “open-source” community working together
to communicate knowledge and experience.erience
and also overheads for new participants.
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
OSG - forming communities
Software DevelopersSites
Experiments (VOs)
(e.g Condor, Globus, SRM, …)
(e.g BNL, FNAL, LBNL, SLAC, LHC-T2s, DISUN, …)
OSG enables communityformation to solve compute and data intensive scientificproblems.
(USCMS, USATLAS, CDF, D0, LIGO, BioTech, NanoTech, …)
Coordinating role
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
Principal Science Drivers
● High energy and nuclear physics 100s of petabytes (LHC) 2008 Several petabytes 2005
● LIGO (gravity wave detector) 0.5 - several petabytes 2002
● Digital astronomy 10s of petabytes 2009 10s of terabytes 2001
● Other sciences coming forward Bioinformatics (10s of petabytes) Nanoscience Environmental Chemistry Applied mathematics Materials Science?
Data
gro
wth
Com
mu
nit
y g
row
th2007
2005
2003
2001
2009
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
The Evolution of the OSG
1999 2000 2001 2002 20052003 2004 2006 2007 2008 2009
PPDG
GriPhyN
iVDGL
Trillium Grid3 OSG(DOE)
(DOE+NSF)(NSF)
(NSF)
Campus, regional grids
LHC OpsLHC construction, preparation
LIGO operation LIGO preparation
European Grid + Worldwide LHC Computing Grid
DOE Science Grid (DOE)
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
VOs in OSGSelf-Operated Research VOs Campus GridsCollider Detector at Fermilab Georgetown University GridCompact Muon Solenoid Grid Laboratory of Wisconsin
Grid Research and Education Group of IowaD0 Experiment at Fermilab University of New York at Buffalo
Fermi National Accelerator Center
Geant 4 Software Toolkit Regional GridsNew York State Grid
Great Plains NetworkNorthwest Indiana Computational Grid
United States Atlas CollaborationSolenoidal Tracker at RHIC OSG-Operated VOs
EngagementOpen Science GridOSG Education ActivityOSG Monitoring and Operations
CompBioGrid*
Dark Energy Survey*Functional Magnetic Resonance Imaging*
Genome Analysis and Database Update*Internation Linear ColliderInteractions in Understanding the Universe Initiative
Distributed Organization for Scientific and Academic Research
Laser Interferometer Gravitational-Wave Observatory*nanoHUB Network for Compuational Nanotechnology*Sloan Digital Sky Survey*
Structural Biology Grid*Grid Resources for Advanced Science and Engineering*Mixed Apparatus for Radar Investigation... (mariachi)*
*=non-physics
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
Example Campus Grid:
Grid Laboratory of Wisconsin (GLOW)
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
Institutions
Sites Florida State University University of NebraskaKansas State University LBNL University of Chicago
University of Michigan University of Iowa University of Notre Dame U. of California RiversideAcademia Sinica Hampton University Penn State University U. of California San DiegoBrookhaven National Lab UERJ Brazil Oklahoma University University of FloridaBoston University Iowa State University SLAC U of Illinois ChicagoCinvestab, Mexico City Indiana University Purdue University University of New MexicoCaltech Rice University U. of Texas Arlington
Lousiana University Southern Methodist U. University of VirginiaUniversity of Sao Paolo U. of Wisconsin Madison
Florida International U. McGill University Wayne State University U. of Wisconsin MilwaukeeFermilab MIT Texas Tech University Vanderbilt University
Others contributing staff
Columbia University Cornell University U of Southern California UNC Chapel HillUIUC
University of Arkansas*
Lehigh University*Clemson University*Dartmouth University* Lousiana Tech*
Green=Contributing staff*=non-physics
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
China National Grid (CNGrid)
● 17 TFlops
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
● Many resources are owned or statically allocated to one user community.
The institutions which own resources typically have ongoing relationships with (a few) particular user communities (VOs)
The remainder of an organization’s available resources can be “used by everyone or anyone else”.
organizations can decide against supporting particular VOs. OSG staff are responsible for monitoring and, if needed,
managing this usage.
Our challenge is to maximize good - successful - output from the whole system.
Use of Existing Resources
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
● Increased usage of CPUs and infrastructure alone (ie cost of processing cycles) is not the persuading cost-benefit value.
The benefits come from reducing risk in and sharing support for large, complex systems which must be run for many years with
a short life-time workforce. Opportunity and flexibility to distribute load and address peak needs. Savings in effort for integration, system and software support. Maintainance of an experienced workforce in a common system Lowering the cost of entry to new contributors. Enabling of new computational opportunities to communities that would
not otherwise have access to such resources.
Benefits to Sites
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
The “don’t”s and “do”s of OSG
● The OSG Facility does not – “Own” any compute (processing, storage and communication) resources “Own” any middleware Fund any site or VO administration/operation personel
• The OSG Facility does –– Help sites join the OSG facility and enable effective guaranteed and
opportunistic usage of their resources (including data) by remote users– Help VOs join the OSG facility and enable effective guaranteed and
opportunistic harnessing of remote resources (including data) – Define interfaces which people can use.– Maintain and supports an integrated software stack that meets the needs
of the stakeholders of the OSG consortium– Reach out to non-HEP communities to help them use the OSG– Train new users, administrators, and software developers
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
What Can the OSG Offer? ● Middleware
Packaging Testing Support Security operations
● Organizational support The OSG Consortium (brings together the stakeholders) The OSG Facility (brings together resources and users)
● Technical Support Troubleshooting distributed computing technologies
● Extensions Software capbilities needed by OSG
● Engagment Consultation on OSG participation
● Instruction Workshops Documentation
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
OSG Project Effort
Roughly 2/3 of leadership positions filled from outside HEP !
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
Benefits to HEP thus far
● LHC– Middleware stack for the LHC distributed computing systems
of USATLAS and USCMS– Strong partner to negotiate technical and operational
problems with EGEE and Nordugrid.– Framework for integrating “Tier-3” resources.
• Tevatron and other FNAL based HEP– CDF: MC production on OSG– D0: reprocessing on OSG– Other HEP benefit via FNAL campus grid
● Other HEP starting to show interest as well.
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
● D0’s own resources are committed to the processing of newly acquired data and analysis of the processed datasets.
● In Nov ‘06 D0 asked to use 1500-2000 CPUs for 2-4 months for re-processing of an existing dataset (~500 million events) for science results for the summer conferences in July ‘07.
● The Executive Board estimated there were currently sufficient opportunistically available resources on OSG to meet the request; We also looked into the local storage and I/O needs.
D0 Reprocessing
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
D0 Reprocessing OSG Portion
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
LIGO: Search for Gravity Waves
● LIGO Grid
6 US sites
3 EU sites (UK & Germany)
* LHO, LLO: LIGO observatory sites* LSC: LIGO Scientific Collaboration
Cardiff
AEI/Golm •
Birmingham•
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
Sloan Digital Sky Survey: Mapping the Sky
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
Astronomy Experiences on the GridAstronomy Experiences on the Grid
● Experience tells us that Grid is more suitable for CPU Intensive Jobs …
achieve parallelism … more jobs… finish sooner
● Running locally would limit the number of jobs run simultaneously
● On OSG, can run several run-rerun and camcols within a run-rerun in parallel
● Current Workflow also will facilitate further analysis
Grid not very
happy
Ideal for Grid
Grid Match
10-15 per
day ?
800-1200
per day
Avg. Rate of Job
Completion
12 Kilobyte
s
2 Megabyt
es
Data Output/J
ob
9 Gigabyt
es
1 Megabyt
e
Data Input/Jo
b
180~50000Total No. of Jobs
NEO
Data&CPData&CPU U
IntensiveIntensive
Quasar
Spectra
CPU CPU IntensiveIntensive
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
Engagement
● Currently main stakeholders are from physics - US LHC experiments, LIGO, STAR experiment, the Tevatron Run II and Astrophysics experiments
● Active “engagement” effort to add new domains and resource providers to the OSG consortium –
Rosetta at Kulhman Laboratory Weather Research and Forecast (WRF) model nanoHub applications – BioMoca and nanoWire Chemistry at Harvard Molecular Mechanics (CHARMM)
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
Rosetta Protein Folding Application
● “What impressed me most was how quickly we were able to access the grid and start using it. We learned about it [at RENCI], and we were running jobs about two weeks later,” Brian Kuhlman, PI.
● 3,000 CPU hours per protein● CASP similar protein: 3 hours on the 114 teraflops IBM Blue Gene Watson machine
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
Genome Analysis and Database Update system
● Runs across TeraGrid and OSG. Uses the Virtual Data System (VDS) workflow & provenance.
● 3.1 million protein sequences, 93,000 jobs.● “During the last run in January (2006), GADU VO jobs had access to only about
8-10 OSG sites and were not authenticated by a large number of sites. With the help of the GOC, we are working on getting more sites to authenticate GADU jobs.” Dinanath Sulakhe, Argonne National Laboratory
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
Integrated Database
Integrated Database Includes: Parsed Sequence Data and
Annotation Data from Public web sources.
Results of different tools used for Analysis: Blast, Blocks, TMHMM, …
GADU using GridApplications executed on Grid as workflows
and results are stored in integrated Database.
GADU Performs: Acquisition: to acquire Genome Data
from a variety of publicly available databases and store temporarily on the file system.
Analysis: to run different publicly available tools and in-house tools on the Grid using Acquired data & data from Integrated database.
Storage: Store the parsed data acquired from public databases and parsed results of the tools and workflows used during analysis.
Bidirectional Data Flow
Public DatabasesGenomic databases available on the web.Eg: NCBI, PIR, KEGG, EMP, InterPro, etc.
Applications (Web Interfaces) Based on the Integrated Database
PUMA2Evolutionary Analysis of
Metabolism
ChiselProtein Function Analysis
Tool.
TARGETTargets for Structural analysis
of proteins.
PATHOSPathogenic DB for
Bio-defense research
PhyloblocksEvolutionary analysis of
protein families
TeraGrid OSG DOE SG
GNARE – Genome Analysis Research Environment
Services to Other Groups
•SEED(Data Acquisition)
•Shewanella Consortium
(Genome Analysis)Others..
Bioinformatics: GADU / GNARE
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
NanoHub
● BioMOCA (Biology Monte Carlo) transport Monte Carlo tool.
● Written at Network for Computational Nanotechnology
● PI: Umberto Ravaioli, UIUC
Ion transfer in artificial membranes
● Job run is 8-40 days
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
Network Collaboration
Internet 2
National Lambda Rail
Ultralight
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
OSG Activities● Facility
Software Operations Deployment Integration Troubleshooting Engagement
● Security● Education● Extensions
Middleware Improvement Workload Management Scalability Testing Tools and prototypes
● User Support● Admin
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
The Software Stack
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
What is the VDT?● A collection of software
Grid software: Condor, Globus and lots more Virtual Data System: Origin of the name “VDT” (toolkit) Utilities: Monitoring, Authorization, Configuration Built for >10 flavors/versions of Linux
● Automated Build and Test: Integration and regression testing.
0
5
10
15
20
25
30
35
40
45
Jan-02May-02Sep-02Jan-03May-03Sep-03Jan-04May-04Sep-04Jan-05May-05Sep-05Jan-06May-06Sep-06
Number of major components
VDT 1.1.x VDT 1.2.x VDT 1.3.x
VDT 1.0Globus 2.0bCondor-G 6.3.1
VDT 1.1.3, 1.1.4 & 1.1.5, pre-SC 2002
VDT 1.1.8Adopted by LCG
VDT 1.1.11Grid2003 VDT 1.2.0
VDT 1.3.0
VDT 1.3.9For OSG 0.4
VDT 1.3.11Current ReleaseMoving to OSG 0.6.0
VDT 1.3.6For OSG 0.2
●An easy installation: Push a button, everything just works. Quick update processes.
●Responsive to user needs: process to add new components based on
community needs.●A support infrastructure:
front line software support, triaging between users and software
providers for deeper issues.
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
How we get to a Production Software Stack
Input from stakeholders and OSG directors
VDT Release
OSG Integration Testbed Release
OSG Production Release
Test on OSG Validation Testbed
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
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Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
Troubleshooting
● GOC Tickets
Assigns responsible
Interoperability with EGEE
● Mailing Lists
● “Office Hours”
![Page 35: Ted Hesselroth Nordugrid 2007 September 24-28, 2007 Abhishek Singh Rana and Frank Wuerthwein UC San Diego The Open Science Grid Ted Hesselroth Fermilab.](https://reader035.fdocuments.us/reader035/viewer/2022062421/56649d2b5503460f94a014d6/html5/thumbnails/35.jpg)
Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
OSG Storage Activities
● Support for Storage Elements in OSG (4 FTE)
dCache
Bestman
● Validation
Tier2-level test stand
With UCSD Tier2
● Packaging
Installation scripts
Through VDT
![Page 36: Ted Hesselroth Nordugrid 2007 September 24-28, 2007 Abhishek Singh Rana and Frank Wuerthwein UC San Diego The Open Science Grid Ted Hesselroth Fermilab.](https://reader035.fdocuments.us/reader035/viewer/2022062421/56649d2b5503460f94a014d6/html5/thumbnails/36.jpg)
Ted Hesselroth Nordugrid 2007 September 24-28, 2007
Abhishek Singh Rana and Frank Wuerthwein UC San Diego
OSG Storage Activities
● Support
Mailing list
● Tools
For site administrators
Will collect existing tools
● Extensions
Space reservation file cleaner
dCache logging