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https://issues.apache.org/jira/browse/HIVE-3996?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13633657#comment-13633657
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Hudson commented on HIVE-3996:
------------------------------
Integrated in Hive-trunk-h0.21 #2067 (See
[https://builds.apache.org/job/Hive-trunk-h0.21/2067/])
HIVE-3996 Correctly enforce the memory limit on the multi-table map-join
(Vikram Dixit via namit) (Revision 1468321)
Result = FAILURE
namit : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1468321
Files :
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/CommonJoinResolver.java
* /hive/trunk/ql/src/test/queries/clientpositive/join32_lessSize.q
* /hive/trunk/ql/src/test/results/clientpositive/join32_lessSize.q.out
> Correctly enforce the memory limit on the multi-table map-join
> --------------------------------------------------------------
>
> Key: HIVE-3996
> URL: https://issues.apache.org/jira/browse/HIVE-3996
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Affects Versions: 0.11.0
> Reporter: Vikram Dixit K
> Assignee: Vikram Dixit K
> Attachments: HIVE-3996_2.patch, HIVE-3996_3.patch, HIVE-3996_4.patch,
> HIVE-3996_5.patch, HIVE-3996_6.patch, HIVE-3996_7.patch, HIVE-3996_8.patch,
> HIVE-3996_9.patch, hive.3996.9.patch-nohcat, HIVE-3996.patch
>
>
> Currently with HIVE-3784, the joins are converted to map-joins based on
> checks of the table size against the config variable:
> hive.auto.convert.join.noconditionaltask.size.
> However, the current implementation will also merge multiple mapjoin
> operators into a single task regardless of whether the sum of the table sizes
> will exceed the configured value.
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