CMU Data Challenge 2

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  1. At CMU we are using 12 boxes, each with 4 8-core AMD Opteron Processors (32 cores per box). Each box has 64GB of physical memory. Data are being written to a local RAID disk. Jobs are manage by PBS (torque and maui).
  2. All 384 cores are reserved for the data challenge for three weeks.
  3. Start-up Problems
    • Large-cluster configuration problems slowed our start. Resolved by tuning PBS parameters to control the rate at which pbs_mom talked to the head node.
    • Still battling a scheduler issue. Work-around has been found.
    • Running smoothly since ~Tuesday.
  4. As of 9:00am, 1087 jobs have completed.
    • 9001 Series - 784 1E7 with EM Background
    • 9002 Series - 225 1E7 without EM Background
    • 9003 Series - 89 5E7 with EM Background