var eio = require('eio-simple');
eio.setMinParallel(threads): Sets the available number of threads. Node's default is 4. Use this function for increasing the number of threads.
eio.setMaxParallel(threads): Sets the maximum number of threads. This only caps the number of threads and expires existing threads that are bigger than the maximum.
eio.setMaxIdle(threads): Sets the maximum number of idle threads. If more threads are idle they will automatically be stopped.
eio.setIdleTimeout(seconds): Sets the number of seconds after which a thread is marked idle.
eio.usage(): Returns an object with thread usage information.
requestscontains the number of in-flight requests.
readycontains the number of not yet handled requests.
pendingcontains the number of finished but unhandled requests.
threadscontains the number of worker threads in use currently.