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https://reviews.apache.org/r/36388/
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Review request for Ambari, Dmitro Lisnichenko, Mahadev Konar, and Sid Wagle.


Bugs: AMBARI-12276
    https://issues.apache.org/jira/browse/AMBARI-12276


Repository: ambari


Description
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Ozzie running with pig fail to renew JHS delegation token when RU because JHS 
recovery is not enabled. This patch adds some extra logic to the original patch 
for 12276. The new logic are:
* Do not mandate the path to be the same as 
yarn.timeline-service.leveldb-state-store.path
* Do not perform check if upgrading from any version that is lower than 2.3.0.0
* Modified unit tests to that effect


Diffs
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ambari-server/src/main/java/org/apache/ambari/server/checks/CheckDescription.java
 0cd5352 
  
ambari-server/src/main/java/org/apache/ambari/server/checks/MapReduce2JobHistoryStatePreservingCheck.java
 PRE-CREATION 
  
ambari-server/src/main/resources/common-services/YARN/2.1.0.2.0/package/scripts/params_linux.py
 77092c1 
  
ambari-server/src/main/resources/common-services/YARN/2.1.0.2.0/package/scripts/yarn.py
 df8d7ce 
  
ambari-server/src/main/resources/stacks/HDP/2.3/services/YARN/configuration-mapred/mapred-site.xml
 PRE-CREATION 
  
ambari-server/src/test/java/org/apache/ambari/server/checks/MapReduce2JobHistoryStatePreservingCheckTest.java
 PRE-CREATION 
  ambari-server/src/test/python/stacks/2.0.6/YARN/test_historyserver.py 13d9ea9 

Diff: https://reviews.apache.org/r/36388/diff/


Testing
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Manually tested, ran relevant unit tests and automated patch tests succeeded.


Thanks,

Sumit Mohanty

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