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[HIVE-12905] Issue with mapjoin in tez under certain conditions - Hive - [issue]
...In a specific case where we have an outer join followed by another join on the same key and the non-outer side of the outer join is empty, hive-on-tez produces incorrect results....
http://issues.apache.org/jira/browse/HIVE-12905    Author: Vikram Dixit K , 2017-03-17, 21:46
[ANNOUNCE] New Hive Committer - Rajesh Balamohan - Hive - [mail # dev]
...Congrats Rajesh! :)On Tue, Dec 13, 2016 at 9:36 PM, Pengcheng Xiong  wrote:Nothing better than when appreciated for hard work.-Mark...
   Author: Vikram Dixit K , 2016-12-14, 03:38
[HIVE-13518] Hive on Tez: Shuffle joins do not choose the right 'big' table. - Hive - [issue]
...Currently the big table is always assumed to be at position 0 but this isn't efficient for some queries as the big table at position 1 could have a lot more keys/skew. We already have a mech...
http://issues.apache.org/jira/browse/HIVE-13518    Author: Vikram Dixit K , 2016-11-23, 10:06
[HIVE-13485] Session id appended to thread name multiple times. - Hive - [issue]
...HIVE-13153 addressed a portion of this issue. Follow up from there....
http://issues.apache.org/jira/browse/HIVE-13485    Author: Vikram Dixit K , 2016-06-22, 01:30
[HIVE-12249] Improve logging with tez - Hive - [issue]
...We need to improve logging across the board. TEZ-2851 added a caller context so that one can correlate logs with the application. This jira adds a new configuration for users that can be use...
http://issues.apache.org/jira/browse/HIVE-12249    Author: Vikram Dixit K , 2016-06-22, 01:10
[HIVE-11806] Create test for HIVE-11174 - Hive - [issue]
...We are lacking tests for HIVE-11174. Adding one....
http://issues.apache.org/jira/browse/HIVE-11806    Author: Vikram Dixit K , 2016-06-21, 15:52
[HIVE-13286] Query ID is being reused across queries - Hive - [issue]
...Aihua Xu I see this commit made via HIVE-11488. I see that query id is being reused across queries. This defeats the purpose of a query id. I am not sure what the purpose of the change in th...
http://issues.apache.org/jira/browse/HIVE-13286    Author: Vikram Dixit K , 2016-06-21, 15:44
[HIVE-12992] Hive on tez: Bucket map join plan is incorrect - Hive - [issue]
...TPCH Query 9 fails when bucket map join is enabled:FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.tez.TezTask. Vertex failed, vertexName=Reducer 5, vertexId=verte...
http://issues.apache.org/jira/browse/HIVE-12992    Author: Vikram Dixit K , 2016-06-21, 15:43
[HIVE-13342] Improve logging in llap decider and throw exception in case llap mode is all but we cannot run in llap. - Hive - [issue]
...Currently we do not log our decisions with respect to llap. Are we running everything in llap mode or only parts of the plan. We need more logging. Also, if llap mode is all but for some rea...
http://issues.apache.org/jira/browse/HIVE-13342    Author: Vikram Dixit K , 2016-06-21, 15:43
[HIVE-13343] Need to disable hybrid grace hash join in llap mode except for dynamically partitioned hash join - Hive - [issue]
...Due to performance reasons, we should disable use of hybrid grace hash join in llap when dynamic partition hash join is not used. With dynamic partition hash join, we need hybrid grace hash ...
http://issues.apache.org/jira/browse/HIVE-13343    Author: Vikram Dixit K , 2016-06-21, 15:43