private void releaseCommBuffer(ByteBuffer bb) {
    if (bb == null) { // fix for bug 37107
      return;
    }
    if (isRunning()) {
      commBufferQueue.offer(bb);
    }
  }
Hand off a new client connection to the thread pool that processes handshakes. If all the
threads in this pool are busy then the hand off will block until a thread is available. This
blocking is good because it will throttle the rate at which we create new connections.
geode-core/src/main/java/org/apache/geode/internal/cache/tier/sockets/AcceptorImpl.java