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Hi,<br>The average latency for RabbitMQ seems very high compared to the minimum. Are there any OS settings for Linux which could be set to improve those values?<br>Latency would be critical for the application I am working on<br>Regards<br>David<br><br><br>> Date: Tue, 7 Dec 2010 11:59:48 +0000<br>> Subject: Re: [rabbitmq-discuss] (no subject)<br>> From: majek04@gmail.com<br>> To: david.j.odonnell@hotmail.com<br>> CC: rabbitmq-discuss@lists.rabbitmq.com<br>> <br>> Over the gigabit network:<br>> <br>> $ ./runjava.sh com.rabbitmq.examples.MulticastMain -a -s 400 -r 15000<br>> -h thehost<br>> recving rate: 12918 msg/s, min/avg/max latency: 304/21486/66140 microseconds<br>> sending rate: 15000 msg/s, basic returns: 0 ret/s<br>> recving rate: 14990 msg/s, min/avg/max latency: 325/1140/2860 microseconds<br>> sending rate: 14986 msg/s, basic returns: 0 ret/s<br>> recving rate: 14997 msg/s, min/avg/max latency: 318/1237/9002 microseconds<br>> sending rate: 15000 msg/s, basic returns: 0 ret/s<br>> recving rate: 14992 msg/s, min/avg/max latency: 293/1337/10389 microseconds<br>> sending rate: 15000 msg/s, basic returns: 0 ret/s<br>> recving rate: 15002 msg/s, min/avg/max latency: 299/1327/5307 microseconds<br>> sending rate: 15000 msg/s, basic returns: 0 ret/s<br>> recving rate: 15007 msg/s, min/avg/max latency: 314/1193/3290 microseconds<br>> sending rate: 15000 msg/s, basic returns: 0 ret/s<br>> <br>> On Tue, Dec 7, 2010 at 11:57, Marek Majkowski <majek04@gmail.com> wrote:<br>> > Ubuntu 10.10,<br>> > cat /proc/cpuinfo<br>> > model name : Intel(R) Xeon(R) CPU E5520 @ 2.27GHz<br>> ><br>> > $ sh ./runjava.sh com.rabbitmq.examples.MulticastMain -a -s 4000 -r 10000<br>> > recving rate: 10000 msg/s, min/avg/max latency: 214/858/6136 microseconds<br>> > sending rate: 10000 msg/s, basic returns: 0 ret/s<br>> > recving rate: 10000 msg/s, min/avg/max latency: 207/857/3961 microseconds<br>> > sending rate: 9995 msg/s, basic returns: 0 ret/s<br>> > recving rate: 9991 msg/s, min/avg/max latency: 182/955/5731 microseconds<br>> > sending rate: 10000 msg/s, basic returns: 0 ret/s<br>> ><br>> > So, for localhost. Min: 0.2ms, avg: 0.8-0.9ms<br>> ><br>> > On Tue, Dec 7, 2010 at 11:53, David ODonnell<br>> > <david.j.odonnell@hotmail.com> wrote:<br>> >> Hi,<br>> >> Thanks for the info.<br>> >> Yeah ran that program previosly but was getting a minimum latency of 7ms.<br>> >> Has anyone got latencies <1m and if so what was their h/w setup ?<br>> >> Thanks<br>> >> David<br>> >><br>> >> _______________________________________________<br>> >> rabbitmq-discuss mailing list<br>> >> rabbitmq-discuss@lists.rabbitmq.com<br>> >> https://lists.rabbitmq.com/cgi-bin/mailman/listinfo/rabbitmq-discuss<br>> >><br>> >><br>> ><br> </body>
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