[jira] [Created] (FLINK-11076) Processing for Avro generated classes is very slow

[Shang Yuanchun (Jira)]

Maciej Bryński created FLINK-11076:
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             Summary: Processing for Avro generated classes is very slow
                 Key: FLINK-11076
                 URL: https://issues.apache.org/jira/browse/FLINK-11076
             Project: Flink
          Issue Type: Bug
            Reporter: Maciej Bryński


I tested Flink processing with Avro generated Pojo classes and most of the time is spent in serialization / deserialization.
The problem is that those classes are internally serialized with Avro serializer instead of Pojo serializer.
https://github.com/apache/flink/blob/ddba1b69f43cbb885e178dfaafa120f1fe196a13/flink-core/src/main/java/org/apache/flink/api/java/typeutils/TypeExtractor.java#L1736



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