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Building a Windows Condor Pool for Computing at Clemson University

Learn about Clemson University's journey in building a Windows Condor pool for their computing needs, overcoming challenges and achieving success.

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Building a Windows Condor Pool for Computing at Clemson University

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  1. Windows Condor Pool at Clemson UniversitySebastien GoasguenSchool of Computingand Clemson Computing Information Technology (CCIT)May 2nd 2007

  2. Clemson basics • Public land grant institution founded in 1889 • ~13,000 undergrads and ~4,500 grads • ~1,300 faculty members New commitment to computing as the backbone of research and teaching

  3. Clemson Computing DNA • Clemson has put computing at the core of its mission • New CIO: Jim Bottum • New CTO: Jim Pepin • New School of Computing, search in progress for a school director, three division leaders and couple months later six assistant professors • Building traditional HPC from scratch • No prior involvement in HPC support • No trained staff for either system administration or application • Infrastructure and hardware are there or coming • 20,000 sqft of raised floor, new power coming straight from the nuclear plant, $3c a kwatt • 10 Gbps connection being worked on, NLR 6 miles away from machine room. ~$1.5M SCLR approved by board of trustees last week • Above 10 Tflops in the works through various sources. Automotive research center (Michelin, BMW…), Faculty community cluster and Provost support • All hands on deck to build the CI campus of tomorrow

  4. Building CI at Clemson • The Fabric layer • HPC resources ->Clusters • Campus Grid -> Condor • Sharing of resources ->OSG • The middleware layer • Deploy services interface to our resources -> WS • Increase identity management capabilities for sharing -> Gridshib • The application layer • New environments for students • New environments for researchers • ->”Portal”, “Gateways”, Desktop applications, other… • A social layer • Raising awareness on campus • Fulfilling expectations of faculty

  5. Teaching CI

  6. Where to start ? • No HPC resources • No expertise in HPC or grids • “what works, is reliable and free ?…” • “Let’s do a windows condor pool, and let’s join OSG”

  7. Randy Martin, David Atkinson, Matt Rector

  8. Results • Built a ~1,000 machines pool and got usage in 4 months • Learned condor installation, administration, debugging • Experience improved our management of the windows machines • More efficient lab image distribution. The current in-house developed method of distribution takes days to distribute image changes to all pcs…Also need to specify machine ads on image. • Eliminate need for 2am image refreshes on each lab pc. • Outreach to the whole campus • Got familiar with grid software and operation, used VDT • Attending Condor week.

  9. Details • 1085 windows machines, 2 linux machines (central and a OSG gatekeeper), condor reporting 1563 slots • 845 maintained by CCIT • 241 from other campus depts • >50 locations • From 1 to 112 machines in one location • Student housing, labs, library, coffee shop • Mary Beth Kurz, first condor user at Clemson: • March 215,000 hours, ~110,000 jobs • April 110,000 hours, ~44,000 jobs

  10. The world before Condor Slides from Dr. Kurz 1800 input files 3 alternative genetic algorithm designs 50 replicates desired Estimated running time on 3.2 GHz machine with 1 GB RAM: 241 days

  11. First submit file attemptMonday noon-ish Slides from Dr. Kurz • Used the documentation and examples at Wisconsin condor site and created: Universe   = vanilla Executable = main.exe log        = re.log output     = out.$(Process).out arguments  = 1 llllll-0 Queue • Forgot to specify Windows and Intel and also to transfer the output back (thanks David Atkinson) • Got a single submit file to run 2 specific input files by mid-afternoon Tuesday

  12. Tuesday 6 pm – submitted 1800 jobs in a Cluster Slides from Dr. Kurz Universe = vanilla Executable = MainCondor.exe requirements = Arch=="INTEL" && OpSYS=="WINNT51" should_transfer_files = YES transfer_input_files = InputData/input$(Process).ft whenToTransferOutput = ON_EXIT log = run_1/re_1.log output = run_1/re_1.stdout error = run_1/re_1.err transfer_output_remaps = "1.out = run_1/opt1-output$(Process).out" arguments = 1 input$(Process) queue 1800 • 200 ran at a time, but that eventually got resolved

  13. Wednesday afternoon: Love notes Slides from Dr. Kurz

  14. OSG nanoHUB GLOW GROMACS, molecular dynamics Cygwin Java universe Text mining for medline database Matlab / Octave in cygwin LIDAR data analysis, FDTD, Neural Networks OSG nanoHUB jobs GLOW “Currently, we are conducting large bio text mining on the Condor. The Medline database of U.S. National Library of Medicine includes over 17 million citations of life science journals for biomedical articles back to 1950s. Our research focuses on mining relationship between ten thousands genes, chemicals and hundreds of diseases from Medline database. The Condor provides us a platform for the quick, parallel search the Medline database.” Dr. Feng Luo, School of Computing Type of jobs being worked on

  15. Open Science Grid Join the national infrastructure Use the national infrastructure Contribute resources (hardware and human) Ease of installation through VDT

  16. Firewall Issues • Couple years ago after Blaster and Co, Clemson put every machine behind a firewall. • Globus ephemeral ports closed • Cannot send Globus job from my desktop osggate Condor-c ssh desktop

  17. nanoHUB Internals VNC redirect Sessions managed by InVIGO-Lite Static set of VMs Local Virtual Machines Condor-C submit PBS Submit VIOLIN Virtual Cluster Gateway machine Initializes trusted proxy Condor-G submit Globus enabled resources GT2 or GT4 WSRF

  18. Fully Service Oriented Architecture/Semantic Grid Technologies Interaction Age Information Age gsissh and/or Web Services SSH - Direct Access Web Services Web Services Remote Resources Social immersion Social interactions Least interactions Evolution of Science Gateways for Virtual Organizations

  19. Next-generation: Socially immersive science gateways Work being led by Prof. Madhavan with CCIT collaboration

  20. Conclusions • Clemson has made computing a priority • Condor is the first “CI” project at Clemson • OSG is a close second • Condor has already impacted Clemson researcher • Clemson hopes to contribute to the community • NSF seems happy… • Thanks to the Condor team !! • Acknowledgements: Randy Martin, David Atkinson, Matt Rector, Mike Gossett,John Minor, Matt Saltzmann, Mary-Beth Kurz, Feng Luo

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