Abhishek Modi created YARN-9608:
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Summary: DecommissioningNodesWatcher should get lists of running
applications on node from RMNode.
Key: YARN-9608
URL: https://issues.apache.org/jira/browse/YARN-9608
Project: Hadoop YARN
Issue Type: Sub-task
Reporter: Abhishek Modi
Assignee: Abhishek Modi
At present, DecommissioningNodesWatcher tracks list of running applications and
triggers decommission of nodes when all the applications that ran on the node
completes. This Jira proposes to solve following problem:
# DecommissioningNodesWatcher skips tracking application containers on a
particular node before the node is in DECOMMISSIONING state. It only tracks
containers once the node is in DECOMMISSIONING state. This can lead to shuffle
data loss of apps whose containers ran on this node before it was moved to
decommissioning state.
# It is keeping track of running apps. We can leverage this directly from
RMNode.
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