devinsba commented on issue #1778: Zipkin host collector (agent) URL: https://github.com/apache/incubator-zipkin/issues/1778#issuecomment-490992106 So for me the answer for both "maybe try OpenCensus agent" and "write it in something other than java" are the same, if we do that we lose the ability to leverage the fairly extensive library of reporters that are already written in java. In my mind the power here would be in allowing the languages that do not support them to report spans over the ubiquitous http which would end up in kafka/kinesis/sqs/(whatever the future holds) If we do feel that another language suits this better (smaller binary, faster startup, whatever) then we would want to write a compatibility test suite that could be run against both zipkin and the separate application to validate that both apps behave the same way for the same sets of input and follow the specifications of the API. Incidentally this would allow third-parties to also validate their implementations
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