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https://issues.apache.org/jira/browse/FLINK-6022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16241726#comment-16241726
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Aljoscha Krettek commented on FLINK-6022:
-----------------------------------------
[~StephanEwen] We should probably open a follow-up issue and mark this one as
resolved? Or move to 1.5.
> Improve support for Avro GenericRecord
> --------------------------------------
>
> Key: FLINK-6022
> URL: https://issues.apache.org/jira/browse/FLINK-6022
> Project: Flink
> Issue Type: Improvement
> Components: Type Serialization System
> Reporter: Robert Metzger
> Assignee: Stephan Ewen
> Priority: Blocker
> Fix For: 1.4.0
>
>
> Currently, Flink is serializing the schema for each Avro GenericRecord in the
> stream.
> This leads to a lot of overhead over the wire/disk + high serialization costs.
> Therefore, I'm proposing to improve the support for GenericRecord in Flink by
> shipping the schema to each serializer through the AvroTypeInformation.
> Then, we can only support GenericRecords with the same type per stream, but
> the performance will be much better.
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