@Override
  public void registerServerConnection(ServerConnection serverConnection) {
    synchronized (syncLock) {
      if (!isRunning()) {
        finishCon(serverConnection);
        return;
      }
    }
    getSelectorQueue().offer(serverConnection);
    wakeupSelector();
  }
This system property is only used if max-threads == 0. This is for 5.0.2 backwards
compatibility.

@deprecated since 5.1 use cache-server max-threads instead
geode-core/src/main/java/org/apache/geode/internal/cache/tier/sockets/AcceptorImpl.java