zhihai xu created YARN-2641:
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Summary: improve node decommission latency in RM.
Key: YARN-2641
URL: https://issues.apache.org/jira/browse/YARN-2641
Project: Hadoop YARN
Issue Type: Improvement
Components: resourcemanager
Affects Versions: 2.5.0
Reporter: zhihai xu
Assignee: zhihai xu
improve node decommission latency in RM.
Currently the node decommission only happened after RM received nodeHeartbeat
from the Node Manager. The node heartbeat interval is configurable. The default
value is 1 second.
It will be better to do the decommission during RM Refresh(NodesListManager)
instead of nodeHeartbeat(ResourceTrackerService).
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