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From Ramit Arora <>
Subject ActiveMQ Persistent Messages Throughput Issues
Date Wed, 19 Mar 2008 23:04:03 GMT

Hi All,
I've been testing the performance of ActiveMQ using Perl publishers
(Net::Stomp) & Java subscribers. My producers send persistent messages & the
subscribers are durable. My test results indicate that the throughput does
not increase with the increase in number of publishers. For example:

case 1: 1 publisher, 25 subscribers
case 2: 25 publishers, 25 subscribers

In both cases the net throughput observed for the consumers remains the same
(around 4000 msgs/sec). Is this expected? Shouldn't the throughput increase
as we increase the number of producers? My broker does not show CPu
utilization more than 25% in both cases. I am using default settings & the
default persistence adapter.

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