[jira] [Created] (FLINK-7411) minor performance improvements in NettyMessage

[Shang Yuanchun (Jira)]

Nico Kruber created FLINK-7411:
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             Summary: minor performance improvements in NettyMessage
                 Key: FLINK-7411
                 URL: https://issues.apache.org/jira/browse/FLINK-7411
             Project: Flink
          Issue Type: Improvement
          Components: Network
    Affects Versions: 1.4.0
            Reporter: Nico Kruber
            Assignee: Nico Kruber
            Priority: Minor


{{NettyMessage}} may be improved slightly performance-wise in these regards:

- in {{NettyMessage.NettyMessageDecoder#decode()}}: instead of having multiple if-elseif-... use a switch to cycle through the message ID
- use a static {{NettyMessage}} subtype {{readFrom(ByteBuf buffer)}} - we do not really need to have a virtual function here



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