Jian He created YARN-2000:
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Summary: Fix ordering of starting services inside the RM
Key: YARN-2000
URL: https://issues.apache.org/jira/browse/YARN-2000
Project: Hadoop YARN
Issue Type: Sub-task
Reporter: Jian He
Assignee: Jian He
The order of starting services in RM would be:
- Recovery of the app/attempts
- Start the scheduler and add scheduler app/attempts
- Start ResourceTrackerService and re-populate the containers in scheduler
based on the containers info from NMs
- ApplicationMasterService either don’t start or start but block until all the
previous NMs registers.
Other than these, there are other services like ClientRMService, Webapps which
we need to think about the order too.
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