Jim Challenger created UIMA-3614:
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Summary: DUCC RM should reap non-preemptable shares for services,
jobs, and AP
Key: UIMA-3614
URL: https://issues.apache.org/jira/browse/UIMA-3614
Project: UIMA
Issue Type: Improvement
Components: DUCC
Reporter: Jim Challenger
Assignee: Jim Challenger
Original DUCC design said that non-preemptable shares could never be
deallocated by RM unless the owner canceled the work running in those shares,
even if the underlying system fails.
Since then, job-jobs, services, and "managed reservations" have been defined to
run in non-preemptable shares.
If RM detects node failure it should now include non-preemptable shares in the
reaper, as long as the shares are occupied by job-jobs, services, and MRs.
"Unmanaged"-reservations continue to remain allocated forever, or until the
owner releases them.
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