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https://issues.apache.org/jira/browse/AMBARI-21161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16041226#comment-16041226
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Hudson commented on AMBARI-21161:
---------------------------------
FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #7583 (See
[https://builds.apache.org/job/Ambari-trunk-Commit/7583/])
AMBARI-21161 Able to safe guard Ambari server against circular (dili:
[http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=acb2f9896e55db202f5b054565d09c0e598011ed])
* (edit)
ambari-server/src/test/java/org/apache/ambari/server/stageplanner/TestStagePlanner.java
* (edit)
ambari-server/src/main/java/org/apache/ambari/server/stageplanner/RoleGraph.java
* (edit)
ambari-server/src/test/resources/stacks/HDP/2.0.6.1/role_command_order.json
> 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, AMBARI-21161-v3.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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