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4.x 旧有的消息轨迹采用私有协议进行编解码,对于消息生命周期的观测也仅限于发送、消费和事务相关等阶段。没有和开源规范进行统一,也不具备消息自身的轨迹和用户链路的 trace 共享上下文的能力。 5.0中新的实现中,拥抱了最新的 CNCF OpenTelemetry 社区协议规范,在客户端中嵌入了一个 OTLP exporter 将 tracing 数据批量发送至 proxy,proxy 侧的方案则比较多样了,既可以本身作为一个 collector 将数据进行整合,也可以转发至其他的 collector,proxy 侧也会有相对应的 tracing 数据,会和客户端上报来的 tracing 数据合并进行处理。 |
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#345 |
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java grpc客户端如何开启轨迹消息,可以收发消息,一直没有轨迹
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