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https://reviews.apache.org/r/57258/
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Review request for Ambari, Alejandro Fernandez and Sumit Mohanty.


Bugs: AMBARI-20279
    https://issues.apache.org/jira/browse/AMBARI-20279


Repository: ambari


Description
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Given that "num_llap_nodes_for_llap_daemons" only exists in 2.6 HDP stack, 
there can be a scenario  where "num_llap_nodes_for_llap_daemons" doesnt exist 
in hive-interactive-site. This can happen if we upgrade from Ambari 2.4 (with 
HDP 2.5) to Ambari 2.5.

**Fix:** Set this config in SA only if it present in hive-interactive-env.


Diffs
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ambari-server/src/main/resources/common-services/YARN/3.0.0.3.0/service_advisor.py
 3629f30 
  ambari-server/src/main/resources/stacks/HDP/2.5/services/stack_advisor.py 
a450d4d 
  ambari-server/src/test/python/stacks/2.5/common/test_stack_advisor.py 2d7bcd3 


Diff: https://reviews.apache.org/r/57258/diff/1/


Testing
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Thanks,

Swapan Shridhar

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