Based on recent discussions on the rsyslog mailing list, we have begun to start an online tool to “analyze” impstats logs. So far, it detects “obvious” problems, but it probably is a good starting point for beginners. We plan to extend this tool.
It can be found here:
http://www.rsyslog.com/impstats-analyzer/
http://www.rsyslog.com/impstats-analyzer/
I hope it is useful.