Nico Kruber created FLINK-7411:

             Summary: minor performance improvements in NettyMessage
                 Key: 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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