envoyproxy/envoy

perf: make dispatcher loop stats work with statsd

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#8109 aperta il 30 ago 2019

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area/perfarea/statshelp wanted

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I've been debugging a perf problem at Lyft and the dispatcher loop stats are indeed incredibly useful. We should make these stats usable with statsd. The best way I can see to do this is to potentially have the ability to tag a histogram as "high rate" so that it gets ignored by statsd for individual flushes, and then statsd could potentially flush high rate histograms as gauges with various percentiles dumped?

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