> Since we are talking about improving SMTP data handler
> class I want to draw attention to some performance
> issues I had found earlier while analyzing
> CharTerminatedInputStream class.
> The point of major concern was the use of read method
> to read data from Socket InputStream. for example if
> we consider an average mail size of 40KB, read method
> will be called 40 x 1024 = 40960
This seems to be factually wrong. Consider the following:
in = new BufferedInputStream(socket.getInputStream(), 1024);
inReader = new CRLFTerminatedReader(in, "ASCII");
InputStream msgIn = new CharTerminatedInputStream(in,
SMTPTerminator);
In all cases, the filtered data is coming through BufferedInputStream with a
1K buffer.
> I have used PushBackInputStram and block read method
I would like to hear more about what you did, but as noted above, I don't
believe that you are correct in your initial analysis.
--- Noel
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