ok, I'll get to this start of next week with a comprehensive test case and
report back.

M

On Tue, Jan 29, 2013 at 12:23 PM, Martin Grigorov <mgrigo...@apache.org>wrote:

> You can check with Google Chrome and/or IE10 to see whether it is not
> something in Firefox
>
>
> On Tue, Jan 29, 2013 at 9:19 PM, Michael Roberts <m...@7f.com> wrote:
>
> > This was using .35 with the default connector (just a generic tomcat
> > install using the installer, on windows 7 64bit) from current firefox.  I
> > can't tell you the exact time difference currently, but I can say that
> if I
> > chain the calling of the REST API off the end off the completion of the
> > WebSocket's sendMessage, the REST API call will consistently beat the web
> > socket to the end point.  Which (I think) means that either it's latency
> in
> > moz's web socket implementation, or it's at the server end.
> >
> > I will make a test case which does exact timing and is separated from our
> > application and report back on what I find.
> >
> > MR
> >
> > On Tue, Jan 29, 2013 at 12:11 PM, Mark Thomas <ma...@apache.org> wrote:
> >
> > > On 29/01/2013 20:04, Michael Roberts wrote:
> > > > I'm seeing some differences in the latency of making a post request
> via
> > > > jQuery versus sending a websockets message.  It maybe that this is
> > > overhead
> > > > in my application caused by processing the json I am sending in the
> > > > message, but I find this hard to believe.  I imagined that web socket
> > > > connection should be faster than REST due to it not creating and
> > > destroying
> > > > the socket, however this does not seem to be the case.  Is there a
> > reason
> > > > why websockets should be slower?
> > > >
> > > > I thing I can code up a small test case to illustrate this if this is
> > > > something people are interested in ..
> > >
> > > Tomcat version?
> > > Connector?
> > > How much difference?
> > >
> > > REST can (and should for performance) use HTTP keep-alive.
> > >
> > > There is some overhead in upgrading an HTTP connection to use WebSocket
> > > so for a single request I'd expect the REST request to be faster. Once
> > > both connections are established, WebSocket should be faster (note that
> > > binary messages will be faster than text ones).
> > >
> > > If you have a test case that demonstrates this with established
> > > connections I'd certainly be interested.
> > >
> > > Mark
> > >
> > >
> > > ---------------------------------------------------------------------
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> > > For additional commands, e-mail: dev-h...@tomcat.apache.org
> > >
> > >
> >
>
>
>
> --
> Martin Grigorov
> jWeekend
> Training, Consulting, Development
> http://jWeekend.com <http://jweekend.com/>
>

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