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January 12, 2012 Scalability Meeting

Date: January 12, 2012 Time: 10:00 AM EST

Call in information:

Toll Free (US): 888-426-6840
Toll Free (Germany): 0800-000-1018
Toll Free (UK): 0808-234-5071
Passcode: 2221402


  • Greg Watson, IBM
  • Dave Wootton, IBM
  • Claudia Knobloch, Juelich
  • Wolfgang Frings, Juelich
  • Jay Alameda, NCSA
  • Chris Navarro, NCSA
  • Jeff Overbey, NCSA


  1. Status Reports
    • Juelich
      • Filtering committed, fixing a bug
      • Node display to be committed next week
      • Looking at table view again
      • Updated LML DA driver 1.14 checked in, added debugging functionality
      • Added GridEngine support to LML DA driver
      • Working on TORQUE_ALPS support for Cray
      • Working on BG/Q + JAXB. Need to resolve legal issues of using SQL statements for querying DB directly. Greg to check with IBM.
    • IBM
      • Implementations for PE JAXB RM are complete for job submitting
      • Run into problem with monitoring side, working on that
      • ORLN contract finalized
    • NCSA
      • Modules support to the point where it's possible to select modules
      • Submitted abstract to Cray user group
      • Tutorial at Software Engineering at UCAR
  2. Potential Future Work Areas Discussion
    • Improvements to LML/UI
      • more flexibility in jobs tables (current)
      • customization of system layout (current)
      • level of detail (current)
      • stability (current)
      • prediction & adapting other monitoring sources
      • diagrams and other features available in LML
      • visualization of logical structure of network/system
    • Improvements to DA
      • redesign DA driver (current)
      • table driven batch system/runtime selection
      • able to supply job/node/sys commands from XML
      • use Al's XML to drive rms scripts or upload perl?
      • generalize merging other data into LML
    • Fixes to batch interactive submission
      • need pre-launch actions
      • change job resubmission to use context menu
    • Debugging support
      • debugger has languished for some years
      • many areas that could benefit from improvements
  3. Other Business
    • None
  4. Meeting adjourned; Next meeting Jan 19, 2012 to be announced on ptp-scaling list.

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