Tom Beerbower created AMBARI-3677:
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Summary: Service state should accurately reflect state of
host-components
Key: AMBARI-3677
URL: https://issues.apache.org/jira/browse/AMBARI-3677
Project: Ambari
Issue Type: Task
Reporter: Tom Beerbower
Assignee: Tom Beerbower
Currently the UI loads *all* the host-components for a service just to
calculate the status of a service. So if YARN, HDFS are installed on a 1000
node cluster, we get 2000 host-components in response just to calculate the
color of 2 services (stopped=red, started=green, starting=blinking-green,
stopping=blinking-red, etc., unknown=yellow)
This is not scalable on the browser. We want the API to roll-up the
host-component statuses, and correctly update the {{ServiceInfo/state}} of the
service. This will help UI in not loading all host_components.
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