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https://issues.apache.org/jira/browse/SPARK-10405?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ashish shenoy updated SPARK-10405:
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Description:
Spark provides the top() and takeOrdered() APIs that return "top" or "bottom"
items from a given RDD.
It'd be good to have an API that returned the "top" values per key for a keyed
RDD i.e. RDDpair. Such an API would be very useful for cases where the task is
to only display an ordered subset of the input data.
was:
Spark provides the top() and takeOrdered() APIs that return "top" or "bottom"
values from a given RDD.
It'd be good to have an API that returned the "top" values per key for a keyed
RDD i.e. RDDpair. Such an API would be very useful for cases where the task is
to only display an ordered subset of the input data.
> Support takeOrdered and topK values per key
> -------------------------------------------
>
> Key: SPARK-10405
> URL: https://issues.apache.org/jira/browse/SPARK-10405
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Reporter: ashish shenoy
> Labels: features, newbie
>
> Spark provides the top() and takeOrdered() APIs that return "top" or "bottom"
> items from a given RDD.
> It'd be good to have an API that returned the "top" values per key for a
> keyed RDD i.e. RDDpair. Such an API would be very useful for cases where the
> task is to only display an ordered subset of the input data.
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