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From "Trevor McKay (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-2130) Use modified dependencies if a stack contains an HCFS service (Hadoop Compatible File System)
Date Fri, 24 May 2013 20:15:20 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-2130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13666631#comment-13666631
] 

Trevor McKay commented on AMBARI-2130:
--------------------------------------

Note, the updated patch fixes a bug in the original patch which tested the stack meta info
for the presence of HCFS instead of the cluster services.  This would break HDFS if HDFS and
HCFS exist in the same stack...
                
> Use modified dependencies if a stack contains an HCFS service (Hadoop Compatible File
System)
> ---------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-2130
>                 URL: https://issues.apache.org/jira/browse/AMBARI-2130
>             Project: Ambari
>          Issue Type: Improvement
>          Components: controller
>    Affects Versions: 1.2.2
>            Reporter: Trevor McKay
>            Assignee: Trevor McKay
>         Attachments: hcfs_deps_for_RCO_trunk.patch
>
>
> Use stack metadata to determine if a stack contains an HCFS service and generate modified
RoleCommandOrder dependencies if it does.

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