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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>



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