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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:34:54 UTC

[jira] [Resolved] (SPARK-9881) Support additional KryoRegistrators via an SPI lookup

     [ https://issues.apache.org/jira/browse/SPARK-9881?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-9881.
---------------------------------
    Resolution: Incomplete

> Support additional KryoRegistrators via an SPI lookup
> -----------------------------------------------------
>
>                 Key: SPARK-9881
>                 URL: https://issues.apache.org/jira/browse/SPARK-9881
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 1.4.1, 1.5.0
>            Reporter: Robert Farr
>            Priority: Minor
>              Labels: bulk-closed
>
> Today adding kryo serialization support for broad classes of objects such as Avro or Thrift require either a user KryoRegistrator or the potential for adding a dependency to spark core.  This was recently discussed as part of SPARK-746 as avro is now a dependency.
> In order to future proof spark core from additional dependencies it may be desirable to resolve a number of KryoRegistrators via the classpath using an spi lookup pattern.   This in conjunction with support for providing the SparkConf to the KryoRegistrator from SPARK-9880 would allow for serialization extensibility simply by adding the jar containing a service provider implementation.



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