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Posted to issues@spark.apache.org by "Matei Zaharia (JIRA)" <ji...@apache.org> on 2014/04/24 00:10:20 UTC

[jira] [Created] (SPARK-1597) Add a version of reduceByKey that takes the Partitioner as a second argument

Matei Zaharia created SPARK-1597:
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             Summary: Add a version of reduceByKey that takes the Partitioner as a second argument
                 Key: SPARK-1597
                 URL: https://issues.apache.org/jira/browse/SPARK-1597
             Project: Spark
          Issue Type: Bug
            Reporter: Matei Zaharia
            Priority: Blocker


Most of our shuffle methods can take a Partitioner or a number of partitions as a second argument, but for some reason reduceByKey takes the Partitioner as a *first* argument: http://spark.apache.org/docs/0.9.1/api/core/#org.apache.spark.rdd.PairRDDFunctions. We should deprecate that version and add one where the Partitioner is the second argument.



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