liutaohua opened a new issue #448:
URL: https://github.com/apache/incubator-eventmesh/issues/448
We can see these `WARN` logs during startup:
```
2021-07-19 16:22:47,008 WARN [eventMesh-tcp-server]
ServerBootstrap(AbstractBootstrap.java:452) - Unknown channel option
'TCP_NODELAY' for channel '[id: 0xbcef744f]'
2021-07-19 16:22:47,009 WARN [eventMesh-tcp-server]
ServerBootstrap(AbstractBootstrap.java:452) - Unknown channel option
'SO_KEEPALIVE' for channel '[id: 0xbcef744f]'
2021-07-19 16:22:47,010 WARN [eventMesh-tcp-server]
ServerBootstrap(AbstractBootstrap.java:452) - Unknown channel option
'SO_TIMEOUT' for channel '[id: 0xbcef744f]'
2021-07-19 16:22:47,010 WARN [eventMesh-tcp-server]
ServerBootstrap(AbstractBootstrap.java:452) - Unknown channel option
'SO_LINGER' for channel '[id: 0xbcef744f]'
```
These parameters need to be set to `childOption`. eg.:
```
bootstrap.group(bossGroup, ioGroup)
.channel(NioServerSocketChannel.class)
.childOption(ChannelOption.TCP_NODELAY, true)
```
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