private void closeBatchBuffer() {
    if (batchFlusher != null) {
      batchFlusher.close();
    }
  }
creates a new connection to a remote server. We are initiating this connection; the other side
must accept us We will almost always send messages; small acks are received.
geode-core/src/main/java/org/apache/geode/internal/tcp/Connection.java