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https://issues.apache.org/jira/browse/YARN-2001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jian He updated YARN-2001:
--------------------------
Description:
RM may not accept allocate requests from AMs until all the NMs have re-synced
back with RM. This is to eliminate some race conditions like containerIds
overlapping between
was:
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.
> Threshold for RM to accept requests from AM after failover
> ----------------------------------------------------------
>
> Key: YARN-2001
> URL: https://issues.apache.org/jira/browse/YARN-2001
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Jian He
> Assignee: Jian He
>
> RM may not accept allocate requests from AMs until all the NMs have re-synced
> back with RM. This is to eliminate some race conditions like containerIds
> overlapping between
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