Thomas Graves created YARN-180:
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Summary: Capacity scheduler - containers that get reserved create
container token to early
Key: YARN-180
URL: https://issues.apache.org/jira/browse/YARN-180
Project: Hadoop YARN
Issue Type: Bug
Components: capacityscheduler
Affects Versions: 0.23.3
Reporter: Thomas Graves
Priority: Critical
The capacity scheduler has the ability to 'reserve' containers. Unfortunately
before it decides that it goes to reserved rather then assigned, the Container
object is created which creates a container token that expires in roughly 10
minutes by default.
This means that by the time the NM frees up enough space on that node for the
container to move to assigned the container token will most likely have expired.
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