[FLINK-7411] minor performance improvements in NettyMessage

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.4.0
• Fix Version/s: 1.4.0
• Component/s: Runtime / Network
• Assignee: Nico Kruber
• Reporter: Nico Kruber
• Created: 10/Aug/17 13:13
• Updated: 28/Sep/17 09:01
• Resolved: 28/Sep/17 09:00

Description

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

Issue Links

• links to: GitHub Pull Request #4517