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https://issues.apache.org/jira/browse/SPARK-2897?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin resolved SPARK-2897.
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Resolution: Fixed
Fix Version/s: 1.0.3
1.1.0
> org.apache.spark.broadcast.TorrentBroadcast does use the serializer class
> specified in the spark option "spark.serializer"
> --------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-2897
> URL: https://issues.apache.org/jira/browse/SPARK-2897
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 1.1.0, 1.0.2
> Reporter: Joseph Su
> Assignee: Guoqiang Li
> Priority: Blocker
> Fix For: 1.1.0, 1.0.3
>
>
> HTTPBroadcast will changes the serializer according to the setting in
> "spark.serializer".
> However, TorrentBroadcast does not read that option. It always uses Java
> built-in serializer. ( Specifically, it uses
> org.apache.spark.util.Utils.serialize() and
> org.apache.spark.util.Utils.deserialize() ).
> With TorrentBroadcast, Spark programs can not broadcast objects that can be
> serialized with custom Kryo serializer but not with Java built-in serializer.
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