tutorials or screencasts on debuggers in clojure?

Hi, Are there any recent tutorials or screencasts on the debuggers in clojure's ecosystem today (e.g. ritz for emacs, or CCW)? If not then I think having a debugger tutorial on clojure-docs or similar would fill a massive void. -Jimbo -- You received this message because you are subscribed

clojure.lang.Keyword.hashCode is a hotspot in my app

Hi experienced clojure gurus, According to VisualVM 24% of my time is spent in clojure.lang.Keyword.hashCode. I'm sure I am doing something wrong (i.e. I'm not blaming clojure's implementation). Is this an indication that I'm using keywords too much or something like that? Have other people ran i