Roni Burd created YARN-6418:
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Summary: Reduce Resource object creation and overhead in Capacity
scheduler inner loop
Key: YARN-6418
URL: https://issues.apache.org/jira/browse/YARN-6418
Project: Hadoop YARN
Issue Type: Improvement
Components: capacityscheduler, resourcemanager
Affects Versions: 3.0.0-alpha2, 2.8.1
Reporter: Roni Burd
Assignee: Roni Burd
Resource object is used multiple due to ResourceCalculator creates new
instances on every method call. This gets called several times on each node HB.
Resource is a very expensive object that relies on Protobufs
The change is to remove the need to use protobuf on the Resource object and
avoid creating many objects in the Resource Calculator all the time
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