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https://reviews.apache.org/r/66533/
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Review request for hive, Gopal V and Thejas Nair.


Bugs: HIVE-19154
    https://issues.apache.org/jira/browse/HIVE-19154


Repository: hive-git


Description
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- Create NotificationEventPoll to periodically query for notification events, 
and pass the events to any registered EventConsumers.
- Create InvalidationEventConsumer in QueryResultsCache to use the events to 
invalidate any results cache entries using the updated table.


Diffs
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  common/src/java/org/apache/hadoop/hive/conf/HiveConf.java e540d023bd 
  itests/src/test/resources/testconfiguration.properties 48d62a8bf9 
  itests/util/src/main/java/org/apache/hadoop/hive/ql/QTestUtil.java 3cdad284ef 
  ql/src/java/org/apache/hadoop/hive/ql/cache/results/QueryResultsCache.java 
b1a3646624 
  ql/src/java/org/apache/hadoop/hive/ql/metadata/events/EventConsumer.java 
PRE-CREATION 
  
ql/src/java/org/apache/hadoop/hive/ql/metadata/events/NotificationEventPoll.java
 PRE-CREATION 
  ql/src/test/queries/clientpositive/results_cache_invalidation2.q PRE-CREATION 
  ql/src/test/results/clientpositive/llap/results_cache_invalidation2.q.out 
PRE-CREATION 
  ql/src/test/results/clientpositive/results_cache_invalidation2.q.out 
PRE-CREATION 
  service/src/java/org/apache/hive/service/server/HiveServer2.java 47f84b5e73 


Diff: https://reviews.apache.org/r/66533/diff/1/


Testing
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Thanks,

Jason Dere

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