Archive for April, 2007

Monitoring queue statistics in MQ

Monday, April 30th, 2007

When load testing MQ you are no doubt going to need to be able to monitor queue statistics in terms of how many messages have been enqueued and dequeued within a given timeframe. You can use native runmqsc commands to query queues in order to find current queue depths but ...

Curve dampening for a custom load harness

Monday, April 30th, 2007

Recently I wrote a test harness that had a 'discovery' mode. That is, given a target service level agreement (SLA), what transaction pacing or throughput did the load harness have to apply in order to achieve the SLA response times. Now my maths is a tad scratchy, but I knew ...