what about NioEventLoop taskQueue size limit

[you fu]

hello

  My application occurred fgc,so dump the memory and analyze .

 find the NioEventLoop instance variable taskQueue 's retained size is 1G+(detail in attach), so the taskQueue is the cause.

two question

 1. I read the NioEventLoop source code ,the taskQueue not limit the size,so Application how to limit the taskQueue size?

  2. any idea to confirm what task add taskQueue? 

[you fu]

the detail info by mat.

[Norman Maurer]

You can limit the size of the task queue:

https://github.com/netty/netty/blob/4.1/common/src/main/java/io/netty/util/concurrent/SingleThreadEventExecutor.java#L131

This is also exposed via the *EventLoopGroup implementations.

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