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Support Sharable Span and Http Collector

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@ashishagg ashishagg released this 31 Oct 06:31
· 16 commits to master since this release
89b22a7

This release contains two important changes:
a) Tracer now supports sharable(single) and non-sharable(dual) styled spans. Sharable span is where client and server span share the same TraceId, SpanId and ParentSpanId. Non-Sharable(dual) style generates server span as a child of client span. The default is sharable, but one can enable tracer to work in dual span mode.

b) Added support for http dispatcher. Besides, haystack-agent(grpc sidecar) as a dispatcher, now we also allow spans to be dispatched to a http collector. For more information read here