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https://reviews.apache.org/r/50753/
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Review request for Ambari, Robert Nettleton, Sandor Magyari, and Sebastian 
Toader.


Bugs: AMBARI-18005
    https://issues.apache.org/jira/browse/AMBARI-18005


Repository: ambari


Description
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When a host is removed from the cluster and later from ambari there's a chance 
the agent registers back to the ambari server before the agent is stopped.
Stopping the machine running the agent without the host being deleted again 
leads to an inconsistent state in the ambari-server due to cached state.
Resolution:
The cached resources get cleared on host delete event.


Diffs
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  ambari-server/src/main/java/org/apache/ambari/server/state/host/HostImpl.java 
a757010 
  
ambari-server/src/main/java/org/apache/ambari/server/topology/TopologyManager.java
 0190478 

Diff: https://reviews.apache.org/r/50753/diff/


Testing
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Manually, in progress.


Thanks,

Laszlo Puskas

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