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https://issues.apache.org/jira/browse/SPARK-7230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin resolved SPARK-7230.
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Resolution: Fixed
Fix Version/s: 1.4.0
> Make RDD API private in SparkR for Spark 1.4
> --------------------------------------------
>
> Key: SPARK-7230
> URL: https://issues.apache.org/jira/browse/SPARK-7230
> Project: Spark
> Issue Type: Sub-task
> Components: SparkR
> Affects Versions: 1.4.0
> Reporter: Shivaram Venkataraman
> Assignee: Shivaram Venkataraman
> Priority: Critical
> Fix For: 1.4.0
>
>
> This ticket proposes making the RDD API in SparkR private for the 1.4
> release. The motivation for doing so are discussed in a larger design
> document aimed at a more top-down design of the SparkR APIs. A first cut that
> discusses motivation and proposed changes can be found at http://goo.gl/GLHKZI
> The main points in that document that relate to this ticket are:
> - The RDD API requires knowledge of the distributed system and is pretty low
> level. This is not very suitable for a number of R users who are used to more
> high-level packages that work out of the box.
> - The RDD implementation in SparkR is not fully robust right now: we are
> missing features like spilling for aggregation, handling partitions which
> don't fit in memory etc. There are further limitations like lack of hashCode
> for non-native types etc. which might affect user experience.
> The only change we will make for now is to not export the RDD functions as
> public methods in the SparkR package and I will create another ticket for
> discussing more details public API for 1.5
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