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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-11288) During Upgrade Warn If Multiple Metastores Are Not Present
Date Thu, 21 May 2015 16:04:18 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-11288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14554576#comment-14554576
] 

Hudson commented on AMBARI-11288:
---------------------------------

SUCCESS: Integrated in Ambari-trunk-Commit #2668 (See [https://builds.apache.org/job/Ambari-trunk-Commit/2668/])
AMBARI-11288 - During Upgrade Warn If Multiple Metastores Are Not Present (jonathanhurley)
(jhurley: http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=b8eccc7e8d18a4e6591ad0fb7e81f2bb85956a95)
* ambari-server/src/main/java/org/apache/ambari/server/checks/CheckDescription.java
* ambari-server/src/main/java/org/apache/ambari/server/checks/YarnRMHighAvailabilityCheck.java
* ambari-server/src/main/java/org/apache/ambari/server/checks/HiveMultipleMetastoreCheck.java
* ambari-server/src/test/java/org/apache/ambari/server/checks/TestHiveMultipleMetastoreCheck.java
* ambari-server/src/main/java/org/apache/ambari/server/checks/UpgradeCheckGroup.java


> During Upgrade Warn If Multiple Metastores Are Not Present
> ----------------------------------------------------------
>
>                 Key: AMBARI-11288
>                 URL: https://issues.apache.org/jira/browse/AMBARI-11288
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-server
>    Affects Versions: 2.1.0
>            Reporter: Jonathan Hurley
>            Assignee: Jonathan Hurley
>             Fix For: 2.1.0
>
>         Attachments: AMBARI-11288.patch
>
>
> Having multiple metastore instances is recommended for rolling upgrade. This ensures
that there is at least one metastore that is up and running during the RU process and reduces
the chances of failure.
> {panel}
> Hive Metastore Availability
> Multiple Hive Metastore instances are recommended for Rolling Upgrade. This ensures that
there is at least one Metastore running during the upgrade process.
> {panel}



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