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From "Andrew Onischuk (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-17559) NN HA enabling failed at 'Stop all Services' step
Date Tue, 05 Jul 2016 11:00:15 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-17559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Onischuk updated AMBARI-17559:
-------------------------------------
    Attachment: AMBARI-17559.patch

> NN HA enabling failed at 'Stop all Services' step
> -------------------------------------------------
>
>                 Key: AMBARI-17559
>                 URL: https://issues.apache.org/jira/browse/AMBARI-17559
>             Project: Ambari
>          Issue Type: Bug
>            Reporter: Andrew Onischuk
>            Assignee: Andrew Onischuk
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-17559.patch
>
>
> 1) If a command gets aborted, it remains in "IN_PROGRESS" state on the agent. Agent sends
it in each heartbeat until agent gets restarted.
> 2) Because of an ordering issue in the heartbeat report processing, server sometimes
mismatches command statuses. (If we have COMPLETED command and ABORTED in the same heartbeat,
it may think that completed command was aborted and rejects state change). This situation
was rare previously, but because of the first issue aborted commands come in each Heartbeat.



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