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Posted to issues@spark.apache.org by "Patrick Wendell (JIRA)" <ji...@apache.org> on 2014/06/12 17:17:02 UTC

[jira] [Resolved] (SPARK-554) Add aggregateByKey

     [ https://issues.apache.org/jira/browse/SPARK-554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Patrick Wendell resolved SPARK-554.
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 1.1.0

Fixed in:
https://github.com/apache/spark/pull/705

> Add aggregateByKey
> ------------------
>
>                 Key: SPARK-554
>                 URL: https://issues.apache.org/jira/browse/SPARK-554
>             Project: Spark
>          Issue Type: New Feature
>            Reporter: Matei Zaharia
>            Assignee: Sandy Ryza
>             Fix For: 1.1.0
>
>
> Similar to the new fold() and aggregate() methods in #95, we should have foldByKey and aggregateByKey for pair RDDs. The main thing that makes this slightly harder is that we'll have to change the combineByKey API and ShuffledRDD to allow taking in a "zero value".



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