Interesting ... Certainly possible. Although if running the same test for openwire and stomp, wouldn't you expect the same issue with both?
Nate > -----Original Message----- > From: James Strachan [mailto:[EMAIL PROTECTED] > Sent: Wednesday, April 18, 2007 6:51 AM > To: [email protected] > Subject: Re: AMQCPP Openwire much slower than Stomp? > > I wonder if its the effect of TCP-NO DELAY (Nagler) kicking in. i.e. > the small messages of OpenWire may take a while to be flushed > to the socket until the buffer fills or timeouts kick in. > > On 4/18/07, Albert Strasheim <[EMAIL PROTECTED]> wrote: > > Hello all > > > > On Wed, 18 Apr 2007, Nathan Mittler wrote: > > > > > Unfortunately we didn't do a performance analysis, as we've been > > > focused on just getting 2.0 out the door. We did however > notice a > > > bit of slowness in our integration tests. Have you, by > any chance, > > > profiled the openwire connector to see where it's > spending its time? > > > > > > With any luck, we can zero in on the bottlenecks quickly > and cut a 2.1. > > > > I'm going to spend some time on this over the next few days. The > > symptoms are quite strange. Factors that seem to influence the speed > > include: > > > > - whether connection is to a local broker or a remote broker > > - whether the broker is running on Windows or Linux > > - message size possibly in combination with wire format > > > > I'll report back if I figure out anything more useful. > > > > Regards, > > > > Albert > > > > > -- > > James > ------- > http://radio.weblogs.com/0112098/ >
