hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Yin Huai" <h...@cse.ohio-state.edu>
Subject Re: Review Request: HIVE-2206: add a new optimizer for query correlation discovery and optimization
Date Fri, 10 Feb 2012 20:49:01 GMT

-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/2001/
-----------------------------------------------------------

(Updated 2012-02-10 20:49:01.177796)


Review request for hive.


Changes
-------

updated patch on revision 1237253. Will generate the patch based on the latest trunk latter.



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 1237326 
  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 1237326 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Operator.java 1237326 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/OperatorFactory.java 1237326 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ReduceSinkOperator.java 1237326 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/SMBMapJoinOperator.java 1237326 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/TableScanOperator.java 1237326 
  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 1237326 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/Optimizer.java 1237326 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/ParseContext.java 1237326 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java 1237326 
  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 1237326 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/ReduceSinkDesc.java 1237326 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/plan/TableScanDesc.java 1237326 
  trunk/ql/src/test/org/apache/hadoop/hive/ql/exec/TestExecDriver.java 1237326 
  trunk/ql/src/test/results/compiler/plan/groupby1.q.xml 1237326 
  trunk/ql/src/test/results/compiler/plan/groupby2.q.xml 1237326 
  trunk/ql/src/test/results/compiler/plan/groupby3.q.xml 1237326 
  trunk/ql/src/test/results/compiler/plan/groupby5.q.xml 1237326 

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


Testing
-------


Thanks,

Yin


Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message