RUEI is not designed to be a load testing monitor tool but to a certain extend it can be useful addition to more traditional tools.
See blog entries for 'What is RUEI?' and 'What can I do with RUEI?' for more info on RUEI in general.
You might not be able to spot a load test issue as obviously as the load testing tool initially but with after a few runs and comparing results you will probably find that certain load issues can be seen in RUEI screens.
- Traffic size - could show a dip in throughput, I.e. A jvm dropping all it's connections because it is restarting.
- Failures - unusual errors or higher than expected number of errors
- Page loading time Satisfaction - Higher percentage of orange and red, will often indicate poor user experience.
- Object performance details - Will help you tell if delay is in the server or the network.
The above can then help you target which logs to look at and when.