[GE users] Minimum Number of Nodes/Job

murphygb brian.murphy at siemens.com
Fri Jul 9 00:31:03 BST 2010


What config do I use to ensure SGE spreads my distributed jobs across the fewest number of nodes, i.e., node selection starts with the node with the most available slots and then works its way down?  Right now SGE is randomly choosing loaded machines over unloaded machines for some reason (6.2u5) I have tried a scheduler conf like:

algorithm                         default
schedule_interval                 0:0:15
maxujobs                          0
queue_sort_method                 load
job_load_adjustments              np_load_avg=0.20
load_adjustment_decay_time        0:5:00
load_formula                      -slots
schedd_job_info                   true
flush_submit_sec                  1
flush_finish_sec                  1
params                            PE_RANGE_ALG=highest,MONITOR=1
reprioritize_interval             0:0:0
halftime                          168
usage_weight_list                 cpu=1.000000,mem=0.000000,io=0.000000
compensation_factor               5.000000
weight_user                       0.100000
weight_project                    0.700000
weight_department                 0.100000
weight_job                        0.100000
weight_tickets_functional         100000
weight_tickets_share              0
share_override_tickets            TRUE
share_functional_shares           TRUE
max_functional_jobs_to_schedule   200
report_pjob_tickets               TRUE
max_pending_tasks_per_job         50
halflife_decay_list               none
policy_hierarchy                  OF
weight_ticket                     10.000000
weight_waiting_time               0.000000
weight_deadline                   3600000.000000
weight_urgency                    0.100000
weight_priority                   1.000000
max_reservation                   1
default_duration                  INFINITY

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