Are tcp connections reused or are new connections being created? Is the host specified by IP number or by host name? If by host name, the DNS resolution queries are entering into your performance numbers.
chas -----Original Message----- From: ffrenchm [mailto:[email protected]] Sent: Friday, February 27, 2009 10:41 AM To: [email protected] Subject: QPID C++ benchs : localhost vs remote benches Hello, first of all I would like to thanks everybody who help me to achieve my benches with QPID C++. I almost finished them and I plan to put in this mailing list my benches results (QPID C++ vs ActiveMQ done with JMS API) during the WE. Anyway I've another question for you :) There is a point in the QPIDC++ which I think is strange. You have to know first that I've to kind of benches : local benches where client and server are in the same machine and remote benches where client is on machine A and server is on machine B. I'm always using a TCP connection. The point I think is strange is the BIG gap between local and remote benches on QPID C++ I have (with ActiveMQ I have a gap to but it's not so big)... For example when sending 100000 1024 bytes messages (non persistent) I've these results : QPID C++ -------------- local send : 19328,39 msg/s remote send : 5677.26 msg/s local receive : 19867,55 msg/s remote receive : 5637.17 msg/s ActiveMQ ------------ local send : 12359,55 msg/s remote send : 7916.83 msg/s local receive : 12359,55 msg/s remote receive : 7962.68 msg/s As you can see my results are better with ActiveMQ when I use remote client than with QPID C++ and that's why I think it's strange because for my local benches QPID C++ is really the best ! Do you already notice this kind of big differences ? Do you have any ideas from where is coming the slowing down for this kind of remote use ? Did I miss some tune parameters or is this an issue we should work on QPID C++ ? Thanks for all -- View this message in context: http://n2.nabble.com/QPID-C%2B%2B-benchs-%3A-localhost-vs-remote-benches-tp2396332p2396332.html Sent from the Apache Qpid users mailing list archive at Nabble.com. --------------------------------------------------------------------- Apache Qpid - AMQP Messaging Implementation Project: http://qpid.apache.org Use/Interact: mailto:[email protected]
