hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Chao Sun" <chao....@cloudera.com>
Subject Re: Review Request 27627: Split map-join plan into 2 SparkTasks in 3 stages [Spark Branch]
Date Wed, 05 Nov 2014 21:33:46 GMT


> On Nov. 5, 2014, 7:16 p.m., Xuefu Zhang wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/SparkMapJoinResolver.java,
line 128
> > <https://reviews.apache.org/r/27627/diff/1/?file=750389#file750389line128>
> >
> >     Do you mean parentTasks != null?

That was a silly mistake.


> On Nov. 5, 2014, 7:16 p.m., Xuefu Zhang wrote:
> > ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/SparkMapJoinResolver.java,
line 185
> > <https://reviews.apache.org/r/27627/diff/1/?file=750389#file750389line185>
> >
> >     Merge with itself?

Yes, in this case (current BaseWork has no MJ), we merge all parent SparkWorks into the current
SparkWork.


- Chao


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/27627/#review59987
-----------------------------------------------------------


On Nov. 5, 2014, 5:51 p.m., Chao Sun wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/27627/
> -----------------------------------------------------------
> 
> (Updated Nov. 5, 2014, 5:51 p.m.)
> 
> 
> Review request for hive.
> 
> 
> Bugs: HIVE-8622
>     https://issues.apache.org/jira/browse/HIVE-8622
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> This is a sub-task of map-join for spark 
> https://issues.apache.org/jira/browse/HIVE-7613
> This can use the baseline patch for map-join
> https://issues.apache.org/jira/browse/HIVE-8616
> 
> 
> Diffs
> -----
> 
>   ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/SparkMapJoinResolver.java
PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/27627/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Chao Sun
> 
>


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