Jian He created YARN-2001:
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Summary: Persist NMs info for RM restart
Key: YARN-2001
URL: https://issues.apache.org/jira/browse/YARN-2001
Project: Hadoop YARN
Issue Type: Sub-task
Reporter: Jian He
Assignee: Jian He
RM should not accept allocate requests from AMs until all the NMs have
registered with RM. For that, RM needs to remember the previous NMs and wait
for all the NMs to register.
This is also useful for remembering decommissioned nodes across restarts.
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