I'm having a system with hundreds of threads. Most of the thread are sleeping or waiting in a given time but they can wake up whenever they like. I would like to reduce the number of OS threads that are dedicated to my system. Do you know about a simple way of doing it? For example, is there a thread pool package that whenever a thread moves to sleep mode, it stores the state and kill the thread. whenever it wakes up, it starts new thread with the state of the old one.

Thanks

java multithreading
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