Zipkin Sampling #38
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Zipkin Sampling #38
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@pavolloffay - I was actually going to get rid of those tracer specific modules in favor using But if you still want to merge this in, it would also need to document the option in here: https://github.com/opentracing-contrib/nginx-opentracing/blob/master/zipkin/doc/Directives.md |
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No worries, I'll add a commit with the documentation notes now. |
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This builds upon work in rnburn/zipkin-cpp-opentracing#20 to provide probabilistic sampling when using zipkin.
zipkin_sample_rateconfiguration option added. It should be a number between 0 and 1 and determines how likely a span is to be sampled.1(always sample) in the event of no incoming sampling decision.