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(Updated Март 20, 2018, 8:25 п.п.) Review request for hive and Ashutosh Chauhan. Bugs: HIVE-18990 https://issues.apache.org/jira/browse/HIVE-18990 Repository: hive-git Description ------- Hive doesn't close Tez session properly if AM isn't ready for accepting DAG. STR This can be easily reproduced using the following steps: 1) configure cluster on Tez; 2) create file test.hql cat ~/test.hql show databases; 3) run the job $ hive --hiveconf hive.root.logger=DEBUG,console --hiveconf hive.execution.engine=tez -f ~/test.hql If we login into Yarn UI, we will see that jobs status is failed even it finished successfully. It happens because hive creates tez session by default. And if query finished very quickly, we can't close tez session properly because AM isn't ready for accepting any requests. Diffs (updated) ----- ql/src/java/org/apache/hadoop/hive/ql/exec/tez/TezSessionState.java 046ea19c7227c16ec9c71cf470652385347cc78b Diff: https://reviews.apache.org/r/66180/diff/2/ Changes: https://reviews.apache.org/r/66180/diff/1-2/ Testing ------- Thanks, Igor Kryvenko