MessageCodec codec = lookup(MessageCodec.class, PlainTextMessageCodec.ID);
int count = 2000;
int i = 0;
MessageBlock block = null;
MessageTree tree = new DefaultMessageTree();
for (i = 0; i < count; i++) {
ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
MessageId id = buildChannelBuffer(factory, codec, tree, buf);