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https://issues.apache.org/jira/browse/SPARK-4086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14362106#comment-14362106
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Brennon York edited comment on SPARK-4086 at 3/14/15 11:52 PM:
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Hey [~ankurd] could you go into a little more detail about what methods you're
actually thinking about here? Are you thinking we add a series of methods (like
{{innerFoldJoin}}, {{leftFoldJoin}}, etc.) or modifying the existing methods to
optionally take an additional parameter and act more like the fold operations?
Any starting point would be great and I'd be more than willing to grab this one
from you!
was (Author: boyork):
Hey [~ankurd] could you go into a little more detail about what methods you're
actually thinking about here? Are you thinking we add a series of methods (like
{{innerFoldJoin}}, {{leftFoldJoin}}, etc.) or modifying the existing methods to
optionally take an additional parameter and act more like the fold operations?
> Fold-style aggregation for VertexRDD
> ------------------------------------
>
> Key: SPARK-4086
> URL: https://issues.apache.org/jira/browse/SPARK-4086
> Project: Spark
> Issue Type: Improvement
> Components: GraphX
> Reporter: Ankur Dave
> Assignee: Ankur Dave
>
> VertexRDD currently supports creations and joins only through a reduce-style
> interface where the user specifies how to merge two conflicting values. We
> should also support a fold-style interface that takes a default value
> (possibly of a different type than the input collection) and a fold function
> specifying how to accumulate values.
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