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Posted to issues@spark.apache.org by "Patrick Wendell (JIRA)" <ji...@apache.org> on 2015/06/17 21:40:01 UTC
[jira] [Updated] (SPARK-7448) Implement custom bye array serializer
for use in PySpark shuffle
[ https://issues.apache.org/jira/browse/SPARK-7448?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Patrick Wendell updated SPARK-7448:
-----------------------------------
Target Version/s: 1.5.0 (was: 1.4.0)
> Implement custom bye array serializer for use in PySpark shuffle
> ----------------------------------------------------------------
>
> Key: SPARK-7448
> URL: https://issues.apache.org/jira/browse/SPARK-7448
> Project: Spark
> Issue Type: Improvement
> Components: PySpark, Shuffle
> Reporter: Josh Rosen
> Priority: Minor
>
> PySpark's shuffle typically shuffles Java RDDs that contain byte arrays. We should implement a custom Serializer for use in these shuffles. This will allow us to take advantage of shuffle optimizations like SPARK-7311 for PySpark without requiring users to change the default serializer to KryoSerializer (this is useful for JobServer-type applications).
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