Di Li created AMBARI-21161:
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Summary: 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
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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