Results 15 issues of Chen Xu

Resolves #3953 A few middleware frameworks (e.g https://github.com/yarpc/yarpc-go/blob/600cb49cc6331d8d15f65c058615a7649447efa7/api/transport/propagation.go#L67) that our company is using still set the OT span kind tag after a span is created. Missing the span kind tags...

Resolves #3952 In order to support force sampling by some signal from the inbound request without a parent span, e.g [jaeger-debug-id](https://github.com/jaegertracing/jaeger-client-go#via-http-headers)

Resolves #3999 Similar to this in Java OpenTracing Shim: https://github.com/open-telemetry/opentelemetry-java/pull/4739

### Problem Statement Hi, really appreciate anyone who contributed to the OpenTracing Bridge. The request is to make func (t *BridgeTracer) Extract(format interface{}, carrier interface{}) (ot.SpanContext, error) method able to...

enhancement

### Problem Statement Hi, really appreciate anyone who contributed to the OpenTracing Bridge. The request is to make `func (t *BridgeTracer) Extract(format interface{}, carrier interface{}) (ot.SpanContext, error)` method able to...

enhancement

### Problem Statement Currently in OT Bridge, it does nothing when setting span kind tag. https://github.com/open-telemetry/opentelemetry-go/blob/271df1dc01410a14129ce9bc62d10ef581f75d4f/bridge/opentracing/bridge.go#L158-L170 This cause some problem because the middle layers of some framework set span kind...

enhancement

Resolves #5339 Support propagating the TraceFlags without parent spans, e.g. the usecase of [jaeger-debug-id](https://github.com/jaegertracing/jaeger-client-java#via-http-headers).

**Is your feature request related to a problem? Please describe.** Hi, The request is to make `Propagation.extractTextMap` method able to conditionally return non-null SpanContextShim when traceId and SpanId are not...

Feature Request

## Background Hi, thanks for anyone who contributed to jaeger remote sampler! I am trying to use jaeger remote sampler, but I notice in the currently implementation of each jaeger...

enhancement
area: instrumentation

## Which problem is this PR solving? Fix the bug that zero credit per second can still grand credit for the first request. ## Short description of the changes -...