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From "Andrii Babiichuk (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-9418) UI changes to resolve discrepancies between what the stack vs Ambari reports as "live" for slaves such as DataNodes and NodeManagers
Date Fri, 30 Jan 2015 16:44:35 GMT
Andrii Babiichuk created AMBARI-9418:
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             Summary: UI changes to resolve discrepancies between what the stack vs Ambari
reports as "live" for slaves such as DataNodes and NodeManagers
                 Key: AMBARI-9418
                 URL: https://issues.apache.org/jira/browse/AMBARI-9418
             Project: Ambari
          Issue Type: Task
          Components: ambari-web
    Affects Versions: 2.0.0
            Reporter: Andrii Babiichuk
            Assignee: Andrii Babiichuk
            Priority: Critical
             Fix For: 2.0.0


Sometimes there are discrepancies between what the stack reports as being live vs Ambari reports
as live.
This comes from the fact that liveness is tracked by the service master differently than simply
process up/down, which Ambari reports.
Strictly speaking, Ambari reports both, but how UI is presenting it now creates confusion.



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