soundcloud/statsd-backend — pull request #1 by juliusv (2012-10-29 14:57:20+00:00)
Title: Only send non-zero counters upon flush to reduce unnecessary traffic.

Zero-counters don't make any sense to send to the next statsd since they don't result in a counter change on the receiving side and just increase traffic, CPU load and (erroneously) counter stats.