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mfournier/gist:9194974

Created February 24, 2014 19:19
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gistfile1.txt
(streams
(let [hosts (atom #{})]
(fn [event]
(swap! hosts conj (:host event))
((throttle 1 10 index) {:service "unique hosts" :time (unix-time) :metric (count @hosts)})
)
)
)
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