While a servlet holds a persistent request in a waiting state, that servlet is monopolizing a thread.

当等待状态的servlet持有一个持久性请求时，该servlet会独占一个线程。

youdao

In the infinite loop case above, all threads except main are in a waiting state (on a semaphore, or waiting for some event).

在上述死循环的情况下，所有除主线程之外的线程都处于某种等待状态(等待一个信号量，或等待某个事件)。

youdao

In the infinite loop case above, all threads except main are in a waiting state (on a semaphore, or waiting for some event).

在上述死循环的情况下，所有除主线程之外的线程都处于某种等待状态(等待一个信号量，或等待某个事件)。

youdao