[gridengine users] Issue with hostname specification and parallel environment - jobs do not start
Manfred.Selz at diasemi.com
Thu Jan 5 06:54:24 UTC 2017
in my SGE 6.2u5 environment, I am seeing a strange issue when submitting jobs to a parallel environment while also providing a hard hostname resource requirement.
This is not a standard situation, but sometimes certain benchmarks need to be run on one specific host only.
When submitting a jobs either with a parallel environment or with a hard hostname resource specification, the jobs starts without delay.
However, the combination of both sometimes keeps jobs waiting for an extended period of time, and I have not been able to get a clear messages from the "qstat -j <jobID>" report.
Parallel environment settings is:
$ qconf -sp local
The specific host being targeted has 32 slots configured for the queue being used, and all of them are unused at this time.
Is anybody aware of specific issues with the combination of parallel environments and a hard hostname resource request?
I have already tested this:
* Removed the parallel environment request - works
* Removed the hostname request - works
* Removed all resource limits ("qconf -mrqs") - no change
* Increased the "slots" limit in the PE setting - no change
* Changed the PE allocation_rule to "round_robin" - no change
After all, the final message in the "qstat -j <jobID>" report is always:
cannot run in PE "local" because it only offers 0 slots
I have seen many older reports for the "only offers 0 slots" message on older pages, but none specifically for the combination with a hostname spec. (only).
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