Lavkesh Lahngir created YARN-3933:
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Summary: Resources(bothe core and memory) are being negative
Key: YARN-3933
URL: https://issues.apache.org/jira/browse/YARN-3933
Project: Hadoop YARN
Issue Type: Bug
Reporter: Lavkesh Lahngir
Assignee: Lavkesh Lahngir
In our cluster we are seeing available memory and cores being negative.
Initial inspection:
Scenario no. 1:
In capacity scheduler the method allocateContainersToNode() checks if
there are excess reservation of containers for an application, and they are no
longer needed then it calls queue.completedContainer() which causes resources
being negative. And they were never assigned in the first place.
I am still looking through the code. Can somebody suggest how to simulate
excess containers assignments ?
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