Return a dictionary of a number of operational statistics.
- Keys currently are:
- requests -- # requests served by this appserver.
xml-rpc requests -- # xml-rpc requests served.
404s -- 404 status responses served (Not Found)
500s -- 500 status responses served (Unhandled exceptions)
503s -- 503 status responses served (Timeouts)
3XXs -- 300-399 status responses served (Redirection)
4XXs -- 400-499 status responses served (Client Errors)
5XXs -- 500-599 status responses served (Server Errors)
6XXs -- 600-600 status responses served (Internal Errors)
5XXs_b -- As 5XXs, but returned to browsers (not robots).