I have been attempting to get preemption to work with Maui. At this
point, I can see in the log that the job that I want preempted has been
suspended. However the preempting job remains queued. A checkjob on the
queued job shows the output below. It appears that a reservation has been
created for the preempting job with some kind of start time issue. I would
rather have the preempting job start immediately and not wait.
Does anyone have any ideas on what Maui parameters will make this
work? I have listed my configuration for preemption below the checkjob
output.
Thanks,
Pat
Checkjob Output
-------------------------
$ checkjob 13
checking job 13
State: Idle
Creds: user:jwobrya group:eutsw class:dque qos:normal
WallTime: 00:00:00 of 00:04:00
SubmitTime: Thu Feb 23 15:56:30
(Time Queued Total: 00:00:04 Eligible: 00:00:04)
StartDate: 00:00:01 Thu Feb 23 15:56:35
Total Tasks: 8
Req[0] TaskCount: 8 Partition: ALL
Network: [NONE] Memory >= 0 Disk >= 0 Swap >= 0
Opsys: [NONE] Arch: [NONE] Features: [NONE]
IWD: [NONE] Executable: [NONE]
Bypass: 0 StartCount: 0
PartitionMask: [wem2]
Flags: RESTARTABLE PREEMPTOR
PE: 8.00 StartPriority: 1000
cannot select job 13 for partition DEFAULT (startdate in '00:00:01')
cannot select job 13 for partition wem2 (startdate in '00:00:01') <======
a future date/time ?????
Maui Config for Preemption
-----------------------------------------
RMCFG[wemfsl001] TYPE=PBS SUSPENDSIG=23
....
....
# Implement preemption - start
CREDWEIGHT 1
QOSWEIGHT 1
CLASSCFG[dque] QDEF=normal
CLASSCFG[last] QDEF=slow
PREEMPTPOLICY SUSPEND
QOSCFG[normal] QFLAGS=PREEMPTOR PRIORITY=1000
QOSCFG[slow] QFLAGS=PREEMPTEE PRIORITY=100
NODEACCESSPOLICY SHARED
SRCFG QOSLIST=slow,normal
# Implement preemption - end
...
NODESETLIST wem2
J.W. (Pat) O'Bryant,Jr.
UTeC Systems, SWS
Office: 713-431-7022
Pager: 713-606-8338
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