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From "Tzu-Li (Gordon) Tai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-6857) Add global default Kryo serializer configuration to StreamExecutionEnvironment
Date Thu, 08 Jun 2017 15:36:19 GMT

    [ https://issues.apache.org/jira/browse/FLINK-6857?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16042866#comment-16042866

Tzu-Li (Gordon) Tai commented on FLINK-6857:

The JIRA would therefore also entail adding the configuration to the {{ExecutionConfig}}

> Add global default Kryo serializer configuration to StreamExecutionEnvironment
> ------------------------------------------------------------------------------
>                 Key: FLINK-6857
>                 URL: https://issues.apache.org/jira/browse/FLINK-6857
>             Project: Flink
>          Issue Type: Improvement
>          Components: Configuration, Type Serialization System
>            Reporter: Tzu-Li (Gordon) Tai
> See ML for original discussion: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/KryoException-Encountered-unregistered-class-ID-td13476.html.
> We should have an additional {{setDefaultKryoSerializer}} method that allows overriding
the global default serializer that is not tied to specific classes (out-of-the-box Kryo uses
the {{FieldSerializer}} if no matches for default serializer settings can be found for a class).
Internally in Flink's {{KryoSerializer}}, this would only be a matter of proxying that configured
global default serializer for Kryo by calling {{Kryo.setDefaultSerializer(...)}} on the created
Kryo instance.

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