Emmanuel, Below the "size" equals to the expected message size. "Remain" is the size of the buffer when the decoder is invoked. "size" is the same because we are waiting for the buffer size to be equal to it before decoding it. Thus, we have 68 "message_received". The buffer increases every time (but the pattern is not obvious). We use your ObjectSerializationDecoder but added statistics to it you see below. The buffer is set to 65535 at the program start and the Mina initialization code is rather straightforward taken from the tutorial on your site.
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