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https://issues.apache.org/jira/browse/AMBARI-21161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16032055#comment-16032055
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Hadoop QA commented on AMBARI-21161:
------------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12870645/AMBARI-21161.patch
against trunk revision .
{color:red}-1 patch{color}. The patch command could not apply the patch.
Console output:
https://builds.apache.org/job/Ambari-trunk-test-patch/11625//console
This message is automatically generated.
> Able to safe guard Ambari server against circular dependencies in role
> command order
> ------------------------------------------------------------------------------------
>
> Key: AMBARI-21161
> URL: https://issues.apache.org/jira/browse/AMBARI-21161
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: trunk
> Reporter: Di Li
> Assignee: Di Li
> Priority: Critical
> Fix For: trunk
>
> Attachments: AMBARI-21161.patch
>
>
> It is important to safe guard against cycle graphs, when Ambari supports
> mpacks, custom services and service level role command order. Cycle graphs
> indicate circular dependencies that can cause Ambari enter an infinite loop
> while building stages, causing Ambari server to take up 100% CPU and large
> amount of memory.
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