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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2015/02/07 17:53:34 UTC

[jira] [Updated] (SPARK-911) Support map pruning on sorted (K, V) RDD's

     [ https://issues.apache.org/jira/browse/SPARK-911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen updated SPARK-911:
----------------------------
    Component/s: Spark Core

> Support map pruning on sorted (K, V) RDD's
> ------------------------------------------
>
>                 Key: SPARK-911
>                 URL: https://issues.apache.org/jira/browse/SPARK-911
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>            Reporter: Patrick Wendell
>
> If someone has sorted a (K, V) rdd, we should offer them a way to filter a range of the partitions that employs map pruning. This would be simple using a small range index within the rdd itself. A good example is I sort my dataset by time and then I want to serve queries that are restricted to a certain time range.



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