Jason Lowe created TEZ-3535:
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Summary: YarnTaskScheduler can hold onto low priority containers
until they expire
Key: TEZ-3535
URL: https://issues.apache.org/jira/browse/TEZ-3535
Project: Apache Tez
Issue Type: Bug
Affects Versions: 0.8.4, 0.7.1
Reporter: Jason Lowe
Assignee: Jason Lowe
With container reuse enabled, YarnTaskScheduler will retain but not schedule
any container allocations that are lower priority than the highest priority
task requests. This can lead to poor performance as these lower priority
containers clog up resources needed for high priority allocations.
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