Robert Nettleton created AMBARI-12720:
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Summary: Blueprint Logical Request stuck in waiting mode during
large cluster deployments
Key: AMBARI-12720
URL: https://issues.apache.org/jira/browse/AMBARI-12720
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.1.0
Reporter: Robert Nettleton
Assignee: Robert Nettleton
Priority: Critical
Fix For: 2.1.1
During Blueprint deployments involving large cluster sizes (50 or more nodes),
there is an intermittent failure that occurs in which a logical request never
completes, since one or more expected host registrations do not complete, and
so the request can not be fully resolved. This results in the UI showing that
the logical request is pending, and the cluster fails to deploy to completion.
This tends to happen under heavy load with large cluster sizes. This also
tends to happen more frequently when hosts in the cluster are registered with
the TopologyManager during the Blueprint configuration phase.
This appears to be a concurrency problem with the TopologyManager.
I'm working on a fix for this, and will be submitting a patch shortly.
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