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From Costin Manolache <cos...@gmail.com>
Subject Re: svn commit: r349085 - /tomcat/sandbox/java/org/apache/tomcat/util/net/NioEndpoint.java
Date Sat, 26 Nov 2005 07:25:38 GMT
On 11/25/05, Bill Barker <wbarker@wilshire.com> wrote:

> > The nio endpoint. Uses the thread pool. Only accept is implemented - the
> > polling of keep alive needs merging some code in the http11protocol.
> >
>
> Yup, it's still too incomplete to evaluate.  However from my work with
> NIO/AJP, using blocking sockets after the accept will totally s*ck in
> performance with NIO.  Unless you come up with something totally brilliant
> :), I still agree with JFA that non-blocking sockets is the only way to go
> with NIO.

Well, I also agree that non-blocking sockets are faster than blocking.
But as someone said, raw performance is not the most important thing
for most people :-)
My initial goal is to deal with the keep alives - i.e. not keep the
threads busy for all the idle connections. That would be a nice
improvement over the current non-nio connector, which can't do this,
and is pretty minimal and consistent with the current model.

I will eventually use the APR code for non-blocking parsing of the
request. Not sure if in this endpoint or I'll try another one - I kind
of like the fact that this code is very simple. I'm more interested in
experiments with how to do non-blocking processing at coyote level,
whatever happens in a servlet is limited by other factors - blocking
socket is not the biggest overhead.

I'll announce when it's 'complete' or 'ready to evaluate' - right now
it's just 'sandbox experiment'.
Right now - there is little point in benchmarking.

Costin

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