activemq-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Mittler, Nathan" <nathan.mitt...@sensis.com>
Subject RE: AMQCPP Openwire much slower than Stomp?
Date Wed, 18 Apr 2007 11:24:42 GMT
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:james.strachan@gmail.com] 
> Sent: Wednesday, April 18, 2007 6:51 AM
> To: dev@activemq.apache.org
> 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 <13640887@sun.ac.za> 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/
> 

Mime
View raw message