[jira] [Created] (FLINK-8768) Change {{NettyMessageDecoder}} to inherit from {{LengthFieldBasedFrameDecoder}}

[Shang Yuanchun (Jira)]

Nico Kruber created FLINK-8768:
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             Summary: Change {{NettyMessageDecoder}} to inherit from {{LengthFieldBasedFrameDecoder}}
                 Key: FLINK-8768
                 URL: https://issues.apache.org/jira/browse/FLINK-8768
             Project: Flink
          Issue Type: Improvement
          Components: Network
            Reporter: Nico Kruber
            Assignee: Nico Kruber
             Fix For: 1.5.0


Let {{NettyMessageDecoder}} inherit from {{LengthFieldBasedFrameDecoder}} instead of being an additional step in the pipeline. This does not only remove overhead in the pipeline itself but also allows use to override the {{#extractFrame()}} method to restore the old Netty 4.0.27 behaviour for non-credit based code paths which had a bug with Netty >= 4.0.28 there.



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