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From "jiraposter@reviews.apache.org (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2206) add a new optimizer for query correlation discovery and optimization
Date Thu, 29 Dec 2011 18:51:32 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13177318#comment-13177318
] 

jiraposter@reviews.apache.org commented on HIVE-2206:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/2001/
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(Updated 2011-12-29 18:50:12.277210)


Review request for hive.


Summary
-------

This optimizer exploits intra-query correlations and merges multiple correlated MapReduce
jobs into one jobs.


This addresses bug HIVE-2206.
    https://issues.apache.org/jira/browse/HIVE-2206


Diffs (updated)
-----

  trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java 1224666 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/BaseReduceSinkOperator.java PRE-CREATION

  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/CorrelationCompositeOperator.java PRE-CREATION

  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/CorrelationLocalSimulativeReduceSinkOperator.java
PRE-CREATION 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/CorrelationReducerDispatchOperator.java
PRE-CREATION 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ExecReducer.java 1224666 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Operator.java 1224666 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/OperatorFactory.java 1224666 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ReduceSinkOperator.java 1224666 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/SMBMapJoinOperator.java 1224666 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/TableScanOperator.java 1224666 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/CorrelationOptimizer.java PRE-CREATION

  trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/CorrelationOptimizerUtils.java PRE-CREATION

  trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMapRedUtils.java 1224666 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/Optimizer.java 1224666 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/ParseContext.java 1224666 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java 1224666 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/BaseReduceSinkDesc.java PRE-CREATION 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/CorrelationCompositeDesc.java PRE-CREATION

  trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/CorrelationLocalSimulativeReduceSinkDesc.java
PRE-CREATION 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/CorrelationReducerDispatchDesc.java PRE-CREATION

  trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/MapredWork.java 1224666 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/ReduceSinkDesc.java 1224666 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/TableScanDesc.java 1224666 
  trunk/ql/src/test/org/apache/hadoop/hive/ql/exec/TestExecDriver.java 1224666 
  trunk/ql/src/test/results/compiler/plan/groupby1.q.xml 1224666 
  trunk/ql/src/test/results/compiler/plan/groupby2.q.xml 1224666 
  trunk/ql/src/test/results/compiler/plan/groupby3.q.xml 1224666 
  trunk/ql/src/test/results/compiler/plan/groupby5.q.xml 1224666 

Diff: https://reviews.apache.org/r/2001/diff


Testing (updated)
-------


Thanks,

Yin


                
> add a new optimizer for query correlation discovery and optimization
> --------------------------------------------------------------------
>
>                 Key: HIVE-2206
>                 URL: https://issues.apache.org/jira/browse/HIVE-2206
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: He Yongqiang
>            Assignee: Yin Huai
>         Attachments: HIVE-2206.1.patch.txt, HIVE-2206.2.patch.txt, HIVE-2206.3.patch.txt,
HIVE-2206.4.patch.txt, HIVE-2206.5-1.patch.txt, HIVE-2206.5.patch.txt, HIVE-2206.6.patch.txt,
HIVE-2206.7.patch.txt, Queries, YSmartPatchForHive.patch, testQueries.1.q, testQueries.q
>
>
> reference:
> http://www.cse.ohio-state.edu/hpcs/WWW/HTML/publications/papers/TR-11-7.pdf

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