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From "Andrii Tkach (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-10119) Rolling Upgrade "Upgrade" Action Actually Starts "Install Versions"
Date Wed, 18 Mar 2015 12:59:38 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-10119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14367094#comment-14367094
] 

Andrii Tkach commented on AMBARI-10119:
---------------------------------------

+1 for the patch.

> Rolling Upgrade "Upgrade" Action Actually Starts "Install Versions"
> -------------------------------------------------------------------
>
>                 Key: AMBARI-10119
>                 URL: https://issues.apache.org/jira/browse/AMBARI-10119
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-web
>    Affects Versions: 2.0.0
>            Reporter: Andrii Babiichuk
>            Assignee: Andrii Babiichuk
>            Priority: Critical
>             Fix For: 2.0.0
>
>         Attachments: AMBARI-10119.patch
>
>
> I created a clean cluster with all services and enabled NameNode HA in preparation for
an upgrade. I distributed my new HDP version to all 20 hosts, but some hosts failed because
of repository issues.
> I went to each failed host and manually retried the installation, which seems to work.
When I went to Manage Versions, it showed my new stack with only 18 out of 20 hosts upgraded.
I had to wait about 10 seconds for it to show me all 20 hosts had the correct stack version.

> At this time, the "Install" button changed to "Upgrade". I hit Upgrade, but the second
I hit it all 20 hosts went down to 0 for "Installed" and instead of an upgrade, Ambari tried
to re-install the stack on all hosts that already had it. 
> The installation went very quickly since all hosts already had the bits. 
> I noticed that, in general, the Stacks and Versions section was slow to update, sometimes
showing me information from several minutes ago. For example, I had 14 hosts installed, but
it only said 4 were. As I waited, it eventually caught up.



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