I am looking for any blog/community that discusses performance issues various teams are facing and how Wily is being used to find those issues.
As at my work place I am using CA wily for performance monitoring and would love to learn and use better ways of identifying potential problems.
While there is no specific community dealing with such troubleshooting methodology using Wily APM ,you might be able to find some information in the older community threads as well as community best practice documents, however there is no single approach that fits all kind of scenarios. Starting with APM 10 we are however making this troubleshooting process easier and making the tool do all the work for you to bubble up potential problems and correlate that with any changes if happened during that time. Idea is instead of APM user trying to look for problems, system automatically detects those and then highlights it on the UI so user can further deep dive and determine the root cause.
There are 3 specific features designed to do this in APM 10:
Please check out below threads for more details and APM 10 demo
Why APM strategies need to be rethought for the Application Economy
CA APM 10: Lead by Design
Hope this helps.