zhoukang created YARN-10118:
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Summary: Use zk to store node info for rm which can show lostnodes
information in rm UI after failover
Key: YARN-10118
URL: https://issues.apache.org/jira/browse/YARN-10118
Project: Hadoop YARN
Issue Type: Improvement
Components: resourcemanager
Reporter: zhoukang
Assignee: zhoukang
When maintenance a large cluster we may have some nodes lost, if we did
failover before deal with these nodes. The information will lost in new
master.We can use zk to store the nodes' information
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