It should be enough to setReadThreadsCount to 5, no need to set
actual ThreadPool, because Grizzly can create its own ThreadPool of
It might be good to see what is the default thread pool size
configured in your server. Can you pls. send your server's jstack
dump ($jstack <PID>).
I'd also recommend to use Grizzly 2.3, IMO it is much easier to use.
If you can share your Grizzly related code (you can send it me
privately) I can try to help you migrate it to 2.x.
What is the best way in order to improve the performance
of the thread that are in charge to read the TCP connect.