If you're asking specifically about associating events at different levels, see ELK's APM. Or other products with an APM component. NewRelic might also help.

If you're asking specifically about associating events at different levels, see ELK's APM. Or other products with an APM component. NewRelic might also help. If you're asking about logging generally - it's a vast subject and you probably need to ask more specific questions. On a StackExchange site probably.