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Posted to issues@spark.apache.org by "Josh Rosen (JIRA)" <ji...@apache.org> on 2016/04/09 01:40:25 UTC

[jira] [Commented] (SPARK-928) Add support for Unsafe-based serializer in Kryo 2.22

    [ https://issues.apache.org/jira/browse/SPARK-928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15233162#comment-15233162 ] 

Josh Rosen commented on SPARK-928:
----------------------------------

We've now upgraded to Kryo 3.0.0 (in SPARK-11416), so it would be awesome if someone wants to try this out and report back with benchmark results.

> Add support for Unsafe-based serializer in Kryo 2.22
> ----------------------------------------------------
>
>                 Key: SPARK-928
>                 URL: https://issues.apache.org/jira/browse/SPARK-928
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>            Reporter: Matei Zaharia
>            Priority: Minor
>              Labels: starter
>
> This can reportedly be quite a bit faster, but it also requires Chill to update its Kryo dependency. Once that happens we should add a spark.kryo.useUnsafe flag.



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