Eric Payne created YARN-10834:
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Summary: Intra-queue preemption: apps that don't use defined
custom resource won't be preempted.
Key: YARN-10834
URL: https://issues.apache.org/jira/browse/YARN-10834
Project: Hadoop YARN
Issue Type: Improvement
Reporter: Eric Payne
Assignee: Eric Payne
YARN-8292 added handling of negative resources during the preemption
calculation phase. That JIRA hard-coded it so that for inter-(cross-)queue
preemption, the a single resource in the vector could go negative while
calculating ideal assignments and preemptions. It also hard-coded it so that
during intra-(in-)queue preemption calculations, no resource could not go
negative. YARN-10613 made these options configurable.
However, in clusters where custom resources are defined, apps that don't use
the extended resource won't be preempted.
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