I am doing the load testing by using IBM rational performance tester on an application. I want to monitor the various resources like servers, middleware, networking etc. during the load testing in order to pinpoint the bottleneck. What monitoring tools I can use with IBM rational performance tester?
There are three resource monitoring data collectors provided in Rational Performance Tester:
Windows™ Performance Monitor for Microsoft® Windows® systems
rstatd for Linux®/UNIX® systems
IBM Tivoli® Monitoring (ITM) for monitoring a variety of platforms
so Rational Performance Tester seem to be having everything you need.
Also I believe you can use any standalone tool or service, see i.e.: