Tao Yang created YARN-8774:
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Summary: Memory leak when CapacityScheduler allocates from
reserved container with non-default label
Key: YARN-8774
URL: https://issues.apache.org/jira/browse/YARN-8774
Project: Hadoop YARN
Issue Type: Bug
Components: capacityscheduler
Reporter: Tao Yang
Assignee: Tao Yang
Reproduce memory leak:
(1) create reserved container
RegularContainerAllocator#doAllocation: create RMContainerImpl instanceA
(nodeLabelExpression="")
LeafQueue#allocateResource: RMContainerImpl instanceA is put into
LeafQueue#ignorePartitionExclusivityRMContainers
(2) allocate from reserved container
RegularContainerAllocator#doAllocation: create RMContainerImpl instanceB
(nodeLabelExpression="test-label")
(3) From now on, RMContainerImpl instanceA will be left in memory (be kept in
LeafQueue#ignorePartitionExclusivityRMContainers) forever until RM restarted
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