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https://reviews.apache.org/r/34777/
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Review request for Ambari and Myroslav Papirkovskyy.


Bugs: AMBARI-11498
    https://issues.apache.org/jira/browse/AMBARI-11498


Repository: ambari


Description
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20% of server resources are spent for execution 
hostVersionDAO.findByHostAndStateCurrent() , added check if host version 
requested, if no - no need to execute DB query.


Diffs
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ambari-server/src/main/java/org/apache/ambari/server/controller/internal/HostComponentResourceProvider.java
 818147b 
  ambari-server/src/main/resources/META-INF/persistence.xml 4b30c0c 
  
ambari-server/src/test/java/org/apache/ambari/server/controller/internal/HostComponentResourceProviderTest.java
 f6898e9 

Diff: https://reviews.apache.org/r/34777/diff/


Testing
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unit tests passed


Thanks,

Dmytro Sen

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