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https://issues.apache.org/jira/browse/FLINK-6764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16031200#comment-16031200
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ASF GitHub Bot commented on FLINK-6764:
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Github user StefanRRichter commented on the issue:
https://github.com/apache/flink/pull/4026
Overall, very nice work! I just had few minor comments. After they are
addressed, this is good to merge. +1
> Deduplicate stateless TypeSerializers when serializing composite
> TypeSerializers
> --------------------------------------------------------------------------------
>
> Key: FLINK-6764
> URL: https://issues.apache.org/jira/browse/FLINK-6764
> Project: Flink
> Issue Type: Improvement
> Components: Type Serialization System
> Affects Versions: 1.3.0, 1.4.0
> Reporter: Till Rohrmann
> Assignee: Tzu-Li (Gordon) Tai
>
> Composite type serializer, such as the {{PojoSerializer}}, could be improved
> by deduplicating stateless {{TypeSerializer}} when being serialized. This
> would decrease their serialization size.
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