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From Rajesh Balamohan <rajesh.balamo...@gmail.com>
Subject Review Request 59517: HIVE-16746: Reduce number of index lookups for same table in IndexWhereTaskDispatcher
Date Wed, 24 May 2017 08:45:45 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/59517/
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Review request for hive and Ashutosh Chauhan.


Repository: hive-git


Description
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E.g For Q14 in TPC-DS there were around 24000 invocations of index lookups for same tables.
With the patch overall runtime came down to 145 seconds from 180-200 seconds.


Diffs
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  ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/index/IndexWhereTaskDispatcher.java
ae96def 


Diff: https://reviews.apache.org/r/59517/diff/1/


Testing
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Jenkins passed all tests.


Thanks,

Rajesh Balamohan


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