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From "Siddharth Wagle (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-17799) AMS: Deleting ZK data in embedded mode results in external phoenix clients unable to connect on AMS restart
Date Tue, 19 Jul 2016 21:17:21 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-17799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15384869#comment-15384869
] 

Siddharth Wagle commented on AMBARI-17799:
------------------------------------------

Caused by : ZOOKEEPER-832

> AMS: Deleting ZK data in embedded mode results in external phoenix clients unable to
connect on AMS restart
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-17799
>                 URL: https://issues.apache.org/jira/browse/AMBARI-17799
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-metrics
>    Affects Versions: 2.0.0
>            Reporter: Siddharth Wagle
>            Assignee: Siddharth Wagle
>            Priority: Critical
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-17799.patch
>
>
> AMS stack script delete ZK data because when standalone HBase restarts, the ZK data quite
frequently gets corrupt and the restart is no longer works. 
> This is because all daemon run inside the same JVM. We had to do this as a workaround
after which restart of AMS in embedded mode became reliable
> With HBASE-16244, the standalone mode restart will succeed and we do not need to cleanup
zookeeper data



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