[jira] [Updated] (SPARK-9436) Simplify Pregel by merging joins

2015-07-29 Thread Alexander Ulanov (JIRA) 

 [ 
https://issues.apache.org/jira/browse/SPARK-9436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Alexander Ulanov updated SPARK-9436:

Summary: Simplify Pregel by merging joins  (was: Merge joins in Pregel )

> Simplify Pregel by merging joins
> 
>
> Key: SPARK-9436
> URL: https://issues.apache.org/jira/browse/SPARK-9436
> Project: Spark
>  Issue Type: Improvement
>  Components: GraphX
>Affects Versions: 1.4.0
>Reporter: Alexander Ulanov
>Priority: Minor
> Fix For: 1.4.0
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> Pregel code contains two consecutive joins: 
> ```
> g.vertices.innerJoin(messages)(vprog)
> ...
> g = g.outerJoinVertices(newVerts) { (vid, old, newOpt) => 
> newOpt.getOrElse(old) }
> ```
> They can be replaced by one join. Ankur Dave proposed a patch based on our 
> discussion in mailing list: 
> https://www.mail-archive.com/dev@spark.apache.org/msg10316.html



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[jira] [Updated] (SPARK-9436) Simplify Pregel by merging joins

2015-07-29 Thread Ankur Dave (JIRA) 

 [ 
https://issues.apache.org/jira/browse/SPARK-9436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ankur Dave updated SPARK-9436:
--
Assignee: Alexander Ulanov  (was: Ankur Dave)

> Simplify Pregel by merging joins
> 
>
> Key: SPARK-9436
> URL: https://issues.apache.org/jira/browse/SPARK-9436
> Project: Spark
>  Issue Type: Improvement
>  Components: GraphX
>Affects Versions: 1.4.0
>Reporter: Alexander Ulanov
>Assignee: Alexander Ulanov
>Priority: Minor
> Fix For: 1.5.0
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> Pregel code contains two consecutive joins: 
> ```
> g.vertices.innerJoin(messages)(vprog)
> ...
> g = g.outerJoinVertices(newVerts) { (vid, old, newOpt) => 
> newOpt.getOrElse(old) }
> ```
> They can be replaced by one join. Ankur Dave proposed a patch based on our 
> discussion in mailing list: 
> https://www.mail-archive.com/dev@spark.apache.org/msg10316.html



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