{"id":38305,"date":"2025-04-23T20:38:57","date_gmt":"2025-04-23T12:38:57","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=38305"},"modified":"2025-04-23T20:38:57","modified_gmt":"2025-04-23T12:38:57","slug":"opentelemetry%e7%9a%84%e6%8c%87%e6%a0%87%e6%9c%8d%e5%8a%a1%e6%b3%a8%e5%86%8c%e4%b8%8e%e5%8f%91%e7%8e%b0%e6%b5%81%e7%a8%8b%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/38305.html","title":{"rendered":"OpenTelemetry\u7684\u6307\u6807\u670d\u52a1\u6ce8\u518c\u4e0e\u53d1\u73b0\u6d41\u7a0b\u662f\u4ec0\u4e48"},"content":{"rendered":"

\n

\"OpenTelemetry\u7684\u6307\u6807\u670d\u52a1\u6ce8\u518c\u4e0e\u53d1\u73b0\u6d41\u7a0b\u662f\u4ec0\u4e48\"<\/p>\n<\/p>\n

OpenTelemetry\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u53ef\u89c2\u6d4b\u6027\u6846\u67b6\uff0c\u7531\u4e91\u539f\u751f\u57fa\u91d1\u4f1a\uff08CNCF\uff09\u6258\u7ba1\uff0c\u65e8\u5728\u4e3a\u6240\u6709\u7c7b\u578b\u7684\u53ef\u89c2\u6d4b\u4fe1\u53f7\uff08\u5982\u8ddf\u8e2a\u3001\u6307\u6807\u548c\u65e5\u5fd7\uff09\u63d0\u4f9b\u5355\u4e00\u6807\u51c6\u3002OpenTelemetry\u901a\u8fc7\u63d0\u4f9b\u901a\u7528\u7684\u6570\u636e\u683c\u5f0f\u548cAPI\uff0c\u4f7f\u7ec4\u7ec7\u66f4\u5bb9\u6613\u5171\u4eab\u548c\u91cd\u7528\u9065\u6d4b\u6570\u636e\uff0c\u4ece\u800c\u4e0e\u5404\u79cd\u53ef\u89c2\u6d4b\u6027\u5de5\u5177\u548c\u5e73\u53f0\u96c6\u6210\u3002<\/p>\n

\u4e8c\u3001\u6307\u6807\u670d\u52a1\u6ce8\u518c\u4e0e\u53d1\u73b0\u6d41\u7a0b<\/h2>\n

1. \u6307\u6807\u5b9a\u4e49\u4e0e\u521b\u5efa<\/h2>\n

\u5728\u4f7f\u7528OpenTelemetry\u8fdb\u884c\u6307\u6807\u76d1\u63a7\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5b9a\u4e49\u8981\u76d1\u63a7\u7684\u6307\u6807\u3002\u6307\u6807\u662f\u8868\u793a\u7cfb\u7edf\u8fd0\u884c\u72b6\u51b5\u548c\u6027\u80fd\u7684\u6570\u503c\u6570\u636e\u70b9\uff0c\u4f8b\u5982CPU\u5229\u7528\u7387\u3001\u7f51\u7edc\u6d41\u91cf\u548c\u6570\u636e\u5e93\u8fde\u63a5\u7b49\u3002OpenTelemetry\u5141\u8bb8\u60a8\u5b9a\u4e49\u548c\u8bb0\u5f55\u81ea\u5b9a\u4e49\u6307\u6807\uff0c\u4ee5\u76d1\u89c6\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u8fd0\u884c\u72b6\u51b5\u3002<\/p>\n

\u5728\u4ee3\u7801\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528OpenTelemetry\u7684API\u6765\u521b\u5efa\u548c\u6ce8\u518c\u6307\u6807\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Go\u8bed\u8a00\u521b\u5efaCounter\u7c7b\u578b\u6307\u6807\u7684\u793a\u4f8b\uff1a<\/p>\n

go<\/p>\n

import (<\/p>\n

go.opentelemetry.io\/otel\/metric<\/p>\n

var emailCounter = meter.NewInt64Counter(<\/p>\n

some.prefix.emails”,<\/p>\n

metric.WithDescription(“Number of sent emails”),<\/p>\n

\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c`emailCounter`\u662f\u4e00\u4e2aCounter\u7c7b\u578b\u7684\u6307\u6807\uff0c\u7528\u4e8e\u8bb0\u5f55\u53d1\u9001\u7684\u7535\u5b50\u90ae\u4ef6\u6570\u91cf\u3002\u6bcf\u5f53\u53d1\u9001\u4e00\u5c01\u7535\u5b50\u90ae\u4ef6\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528`emailCounter.Add(ctx, 1)`\u6765\u589e\u52a0\u8be5\u6307\u6807\u7684\u8ba1\u6570\u503c\u3002<\/p>\n

2. \u9009\u62e9\u5408\u9002\u7684\u4eea\u5668\u7c7b\u578b<\/h2>\n

OpenTelemetry\u63d0\u4f9b\u4e86\u591a\u79cd\u7c7b\u578b\u7684\u4eea\u5668\uff08instruments\uff09\u6765\u6ee1\u8db3\u4e0d\u540c\u7684\u6307\u6807\u9700\u6c42\uff1a<\/p>\n

  • Counter<\/strong>\uff1a\u7528\u4e8e\u6d4b\u91cf\u5355\u8c03\u9012\u589e\u7684\u503c\uff0c\u4f8b\u5982\u8bf7\u6c42\u6570\u91cf\u3001\u9519\u8bef\u6570\u91cf\u7b49\u3002<\/li>\n
  • UpDownCounter<\/strong>\uff1a\u7c7b\u4f3c\u4e8eCounter\uff0c\u4f46\u53ef\u4ee5\u9012\u589e\u6216\u9012\u51cf\uff0c\u9002\u7528\u4e8e\u6d4b\u91cf\u53ef\u589e\u52a0\u6216\u51cf\u5c11\u7684\u503c\uff0c\u5982\u6d3b\u8dc3\u8bf7\u6c42\u6570\u3001\u6253\u5f00\u7684\u8fde\u63a5\u6570\u7b49\u3002<\/li>\n
  • Histogram<\/strong>\uff1a\u7528\u4e8e\u6d4b\u91cf\u503c\u7684\u5206\u5e03\uff0c\u4f8b\u5982\u8bf7\u6c42\u5ef6\u8fdf\u3001\u54cd\u5e94\u65f6\u95f4\u7b49\u3002<\/li>\n
  • GaugeObserver<\/strong>\uff1a\u7528\u4e8e\u6d4b\u91cf\u975e\u76f8\u52a0\u503c\uff0c\u5982\u9519\u8bef\u7387\u3001\u5185\u5b58\u5229\u7528\u7387\u7b49\u3002<\/li>\n

    \u9009\u62e9\u5408\u9002\u7684\u4eea\u5668\u7c7b\u578b\u53d6\u51b3\u4e8e\u8981\u6d4b\u91cf\u7684\u6307\u6807\u6027\u8d28\u3002\u4f8b\u5982\uff1a<\/p>\n

  • \u5982\u679c\u8981\u8bb0\u5f55\u4e00\u4e2a\u4e8b\u4ef6\u7684\u53d1\u751f\u6b21\u6570\u6216\u4e00\u4e2a\u503c\u968f\u65f6\u95f4\u7684\u7d2f\u79ef\uff0c\u5e94\u8be5\u4f7f\u7528Counter\u3002<\/li>\n
  • \u5982\u679c\u8981\u6d4b\u91cf\u53ef\u968f\u65f6\u95f4\u589e\u52a0\u6216\u51cf\u5c11\u7684\u9644\u52a0\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528UpDownCounter\u3002<\/li>\n
  • \u5982\u679c\u9700\u8981\u76f4\u65b9\u56fe\u3001\u70ed\u56fe\u6216\u767e\u5206\u4f4d\u6570\uff0c\u5e94\u4f7f\u7528Histogram\u3002<\/li>\n
  • \u5982\u679c\u8981\u6d4b\u91cfsum\u4e0d\u80fd\u4ea7\u751f\u6709\u610f\u4e49\u6216\u6b63\u786e\u7ed3\u679c\u7684\u975e\u76f8\u52a0\u503c\uff0c\u5982\u9519\u8bef\u7387\u6216\u5185\u5b58\u5229\u7528\u7387\uff0c\u5e94\u4f7f\u7528GaugeObserver\u3002<\/li>\n

    3. \u914d\u7f6e\u6307\u6807\u5bfc\u51fa\u5668<\/h2>\n

    \u6307\u6807\u5bfc\u51fa\u5668\uff08exporters\uff09\u8d1f\u8d23\u5c06\u9065\u6d4b\u6570\u636e\u53d1\u9001\u5230\u5916\u90e8\u7cfb\u7edf\u6216\u540e\u7aef\u8fdb\u884c\u5b58\u50a8\u3001\u5206\u6790\u548c\u53ef\u89c6\u5316\u3002OpenTelemetry\u652f\u6301\u591a\u79cd\u5bfc\u51fa\u534f\u8bae\u548c\u683c\u5f0f\uff0c\u5982OTLP\uff08OpenTelemetry Protocol\uff09\u3001Prometheus\u3001AWS Metrics\u3001InfluxDB\u7b49\u3002<\/p>\n

    \u8981\u5c06\u6307\u6807\u6570\u636e\u53d1\u9001\u5230\u7279\u5b9a\u7684\u540e\u7aef\uff0c\u9700\u8981\u914d\u7f6e\u76f8\u5e94\u7684\u5bfc\u51fa\u5668\u3002\u4f8b\u5982\uff0c\u8981\u5c06\u6307\u6807\u53d1\u9001\u5230Prometheus\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n

    yaml<\/p>\n

    exporters:<\/p>\n

    otlphttp\/prometheus:<\/p>\n

    endpoint: <\/p>\n

    tls:<\/p>\n

    insecure: true<\/p>\n

    \u5728\u4e0a\u8ff0\u914d\u7f6e\u4e2d\uff0c`otlphttp\/prometheus`\u662f\u5bfc\u51fa\u5668\u7684\u540d\u79f0\uff0c`endpoint`\u6307\u5b9a\u4e86Prometheus\u670d\u52a1\u5668\u7684\u5730\u5740\uff0c`tls.insecure`\u8bbe\u7f6e\u4e3a`true`\u8868\u793a\u5141\u8bb8\u4e0d\u5b89\u5168\u7684\u8fde\u63a5\uff08\u4ec5\u7528\u4e8e\u6d4b\u8bd5\u76ee\u7684\uff09\u3002<\/p>\n

    4. \u6ce8\u518c\u6307\u6807\u548c\u5bfc\u51fa\u5668<\/h2>\n

    \u5728\u521b\u5efa\u6307\u6807\u548c\u914d\u7f6e\u5bfc\u51fa\u5668\u4e4b\u540e\uff0c\u9700\u8981\u5c06\u5b83\u4eec\u6ce8\u518c\u5230OpenTelemetry SDK\u4e2d\u3002\u6ce8\u518c\u8fc7\u7a0b\u901a\u5e38\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u521d\u59cb\u5316\u9636\u6bb5\u5b8c\u6210\u3002<\/p>\n

    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Go\u8bed\u8a00\u6ce8\u518c\u6307\u6807\u548c\u5bfc\u51fa\u5668\u7684\u793a\u4f8b\uff1a<\/p>\n

    go<\/p>\n

    import (<\/p>\n

    go.opentelemetry.io\/otel<\/p>\n

    go.opentelemetry.io\/otel\/metric<\/p>\n

    go.opentelemetry.io\/otel\/metric\/global<\/p>\n

    go.opentelemetry.io\/otel\/metric\/registry<\/p>\n

    go.opentelemetry.io\/otel\/sdk\/metric<\/p>\n

    go.opentelemetry.io\/otel\/sdk\/metric\/aggregation<\/p>\n

    go.opentelemetry.io\/otel\/sdk\/metric\/controller\/push<\/p>\n

    func main {<\/p>\n

    \/\/ \u521b\u5efa\u6307\u6807\u6ce8\u518c\u8868<\/p>\n

    registry := metric.NewRegistry<\/p>\n

    \/\/ \u521b\u5efa\u6307\u6807\u63d0\u4f9b\u8005<\/p>\n

    provider := sdkmeter.NewMeterProvider(<\/p>\n

    sdkmeter.WithRegistry(registry),<\/p>\n

    sdkmeter.WithReader(<\/p>\n

    sdkmeter.NewPeriodicReader(<\/p>\n

    exporter,<\/p>\n

    sdkmeter.WithAggregationSelector(<\/p>\n

    aggregation.DefaultSelector,<\/p>\n

    ),<\/p>\n

    ),<\/p>\n

    ),<\/p>\n

    \/\/ \u8bbe\u7f6e\u5168\u5c40\u6307\u6807\u63d0\u4f9b\u8005<\/p>\n

    global.SetMeterProvider(provider)<\/p>\n

    \/\/ \u83b7\u53d6meter\u5b9e\u4f8b<\/p>\n

    meter := global.Meter(“your-meter-name”)<\/p>\n

    \/\/ \u521b\u5efa\u5e76\u6ce8\u518c\u6307\u6807<\/p>\n

    var requestCounter metric.Int64Counter<\/p>\n

    requestCounter = meter.Int64Counter(<\/p>\n

    requests”,<\/p>\n

    metric.WithDescription(“Total number of requests”),<\/p>\n

    \/\/ \u6ce8\u518c\u6307\u6807\u5230\u6ce8\u518c\u8868<\/p>\n

    registry.Register(requestCounter)<\/p>\n

    \/\/ \u542f\u52a8\u6307\u6807\u63a8\u9001\u63a7\u5236\u5668<\/p>\n

    controller := push.New(<\/p>\n

    provider,<\/p>\n

    exporter,<\/p>\n

    push.WithPeriod(10time.Second),<\/p>\n

    controller.Start<\/p>\n

    defer controller.Stop<\/p>\n

    \/\/ \u5e94\u7528\u7a0b\u5e8f\u7684\u5176\u4f59\u903b\u8f91…<\/p>\n

    \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u6307\u6807\u6ce8\u518c\u8868\u548c\u4e00\u4e2a\u6307\u6807\u63d0\u4f9b\u8005\u3002\u7136\u540e\uff0c\u4f7f\u7528`global.SetMeterProvider`\u8bbe\u7f6e\u5168\u5c40\u6307\u6807\u63d0\u4f9b\u8005\uff0c\u5e76\u901a\u8fc7`global.Meter`\u83b7\u53d6meter\u5b9e\u4f8b\u3002\u63a5\u4e0b\u6765\uff0c\u521b\u5efa\u4e86\u4e00\u4e2aCounter\u7c7b\u578b\u7684\u6307\u6807`requestCounter`\u5e76\u6ce8\u518c\u5230\u6ce8\u518c\u8868\u4e2d\u3002\u542f\u52a8\u4e86\u4e00\u4e2a\u6307\u6807\u63a8\u9001\u63a7\u5236\u5668\uff0c\u5b9a\u671f\u5c06\u6307\u6807\u6570\u636e\u63a8\u9001\u5230\u5bfc\u51fa\u5668\u3002<\/p>\n

    5. \u542f\u52a8\u6307\u6807\u670d\u52a1<\/h2>\n

    \u5728\u6ce8\u518c\u6307\u6807\u548c\u5bfc\u51fa\u5668\u4e4b\u540e\uff0c\u53ef\u4ee5\u542f\u52a8\u6307\u6807\u670d\u52a1\u4ee5\u5f00\u59cb\u6536\u96c6\u548c\u53d1\u9001\u6307\u6807\u6570\u636e\u3002\u6307\u6807\u670d\u52a1\u901a\u5e38\u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u7684\u4e00\u90e8\u5206\u542f\u52a8\uff0c\u5e76\u5728\u540e\u53f0\u6301\u7eed\u8fd0\u884c\u3002<\/p>\n

    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Go\u8bed\u8a00\u542f\u52a8\u6307\u6807\u670d\u52a1\u7684\u793a\u4f8b\uff1a<\/p>\n

    go<\/p>\n

    func main {<\/p>\n

    \/\/ \u524d\u9762\u7684\u914d\u7f6e\u548c\u6ce8\u518c\u6b65\u9aa4…<\/p>\n

    \/\/ \u542f\u52a8\u6307\u6807\u670d\u52a1<\/p>\n

    ctx := context.Background<\/p>\n

    if err := provider.Start(ctx); err!= nil {<\/p>\n

    log.Fatal(err)<\/p>\n

    defer provider.Stop(ctx)<\/p>\n

    \/\/ \u5e94\u7528\u7a0b\u5e8f\u7684\u5176\u4f59\u903b\u8f91…<\/p>\n

    \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u901a\u8fc7\u8c03\u7528`provider.Start`\u542f\u52a8\u6307\u6807\u670d\u52a1\uff0c\u5e76\u5728`main`\u51fd\u6570\u7ed3\u675f\u65f6\u901a\u8fc7`defer provider.Stop`\u505c\u6b62\u670d\u52a1\u3002<\/p>\n

    6. \u9a8c\u8bc1\u6307\u6807\u6570\u636e<\/h2>\n

    \u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u5de5\u5177\u6765\u9a8c\u8bc1\u6307\u6807\u6570\u636e\u662f\u5426\u6b63\u786e\u53d1\u9001\u5230\u540e\u7aef\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8ePrometheus\uff0c\u53ef\u4ee5\u4f7f\u7528Prometheus\u7684\u67e5\u8be2\u754c\u9762\u6216Grafana\u6765\u67e5\u770b\u548c\u5206\u6790\u6307\u6807\u6570\u636e\u3002<\/p>\n

    \u5982\u679c\u4f7f\u7528\u4e86OpenTelemetry\u7684Debug\u5bfc\u51fa\u5668\uff0c\u53ef\u4ee5\u5728\u65e5\u5fd7\u4e2d\u67e5\u770b\u8be6\u7ec6\u7684\u6307\u6807\u6570\u636e\u8f93\u51fa\uff0c\u4ee5\u5e2e\u52a9\u8c03\u8bd5\u548c\u9a8c\u8bc1\u3002<\/p>\n

    OpenTelemetry\u7684\u6307\u6807\u670d\u52a1\u6ce8\u518c\u4e0e\u53d1\u73b0\u6d41\u7a0b\u6d89\u53ca\u591a\u4e2a\u6b65\u9aa4\uff0c\u5305\u62ec\u6307\u6807\u5b9a\u4e49\u3001\u4eea\u5668\u7c7b\u578b\u9009\u62e9\u3001\u5bfc\u51fa\u5668\u914d\u7f6e\u3001\u6ce8\u518c\u548c\u542f\u52a8\u6307\u6807\u670d\u52a1\u7b49\u3002\u901a\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u81ea\u5b9a\u4e49\u6307\u6807\u96c6\u6210\u5230\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5e76\u5c06\u6307\u6807\u6570\u636e\u53d1\u9001\u5230\u5404\u79cd\u53ef\u89c2\u6d4b\u6027\u540e\u7aef\u8fdb\u884c\u5206\u6790\u548c\u53ef\u89c6\u5316\u3002\u8fd9\u79cd\u6807\u51c6\u5316\u7684\u6d41\u7a0b\u4f7f\u5f97\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u5b9e\u73b0\u5168\u9762\u7684\u53ef\u89c2\u6d4b\u6027\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u548c\u9ad8\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    OpenTelemetry\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u53ef\u89c2\u6d4b\u6027\u6846\u67b6\uff0c\u7531\u4e91\u539f\u751f\u57fa\u91d1\u4f1a\uff08CNCF\uff09\u6258\u7ba1\uff0c\u65e8\u5728\u4e3a\u6240\u6709\u7c7b\u578b\u7684\u53ef\u89c2\u6d4b\u4fe1\u53f7\uff08\u5982\u8ddf\u8e2a\u3001\u6307\u6807\u548c\u65e5\u5fd7\uff09\u63d0\u4f9b\u5355\u4e00\u6807\u51c6\u3002OpenTelemetry\u901a\u8fc7\u63d0\u4f9b\u901a\u7528\u7684\u6570\u636e\u683c\u5f0f\u548cAPI\uff0c\u4f7f\u7ec4\u7ec7\u66f4\u5bb9\u6613\u5171\u4eab\u548c\u91cd\u7528\u9065\u6d4b\u6570\u636e\uff0c\u4ece\u800c\u4e0e\u5404\u79cd\u53ef\u89c2\u6d4b\u6027\u5de5\u5177\u548c\u5e73\u53f0\u96c6\u6210\u3002 \u4e8c\u3001\u6307\u6807\u670d\u52a1\u6ce8\u518c\u4e0e\u53d1\u73b0\u6d41\u7a0b 1. \u6307\u6807\u5b9a\u4e49\u4e0e\u521b\u5efa \u5728\u4f7f\u7528OpenTelemetry\u8fdb\u884c\u6307\u6807\u76d1\u63a7\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5b9a\u4e49\u8981\u76d1\u63a7\u7684\u6307\u6807\u3002\u6307\u6807\u662f\u8868\u793a\u7cfb\u7edf\u8fd0\u884c\u72b6\u51b5\u548c\u6027\u80fd\u7684\u6570\u503c\u6570\u636e\u70b9\uff0c\u4f8b\u5982CPU\u5229\u7528\u7387\u3001\u7f51\u7edc\u6d41\u91cf\u548c\u6570\u636e\u5e93\u8fde\u63a5\u7b49\u3002OpenTelemetry\u5141\u8bb8\u60a8\u5b9a\u4e49\u548c\u8bb0\u5f55\u81ea\u5b9a\u4e49\u6307\u6807\uff0c\u4ee5\u76d1\u89c6\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u8fd0\u884c\u72b6\u51b5\u3002 \u5728\u4ee3\u7801\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528OpenTelemetry\u7684API\u6765\u521b\u5efa\u548c\u6ce8\u518c\u6307\u6807\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Go\u8bed\u8a00\u521b\u5efaCounter\u7c7b\u578b\u6307\u6807\u7684\u793a\u4f8b\uff1a go import ( go.opentelemetry.io\/otel\/metric var emailCounter = meter.NewInt64Counter( some.prefix.emails”, metric.WithDescription(“Number of sent emails”), \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c`emailCounter`\u662f\u4e00\u4e2aCounter\u7c7b\u578b\u7684\u6307\u6807\uff0c\u7528\u4e8e\u8bb0\u5f55\u53d1\u9001\u7684\u7535\u5b50\u90ae\u4ef6\u6570\u91cf\u3002\u6bcf\u5f53\u53d1\u9001\u4e00\u5c01\u7535\u5b50\u90ae\u4ef6\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528`emailCounter.Add(ctx, 1)`\u6765\u589e\u52a0\u8be5\u6307\u6807\u7684\u8ba1\u6570\u503c\u3002 2. \u9009\u62e9\u5408\u9002\u7684\u4eea\u5668\u7c7b\u578b OpenTelemetry\u63d0\u4f9b\u4e86\u591a\u79cd\u7c7b\u578b\u7684\u4eea\u5668\uff08instruments\uff09\u6765\u6ee1\u8db3\u4e0d\u540c\u7684\u6307\u6807\u9700\u6c42\uff1a Counter\uff1a\u7528\u4e8e\u6d4b\u91cf\u5355\u8c03\u9012\u589e\u7684\u503c\uff0c\u4f8b\u5982\u8bf7\u6c42\u6570\u91cf\u3001\u9519\u8bef\u6570\u91cf\u7b49\u3002 UpDownCounter\uff1a\u7c7b\u4f3c\u4e8eCounter\uff0c\u4f46\u53ef\u4ee5\u9012\u589e\u6216\u9012\u51cf\uff0c\u9002\u7528\u4e8e\u6d4b\u91cf\u53ef\u589e\u52a0\u6216\u51cf\u5c11\u7684\u503c\uff0c\u5982\u6d3b\u8dc3\u8bf7\u6c42\u6570\u3001\u6253\u5f00\u7684\u8fde\u63a5\u6570\u7b49\u3002 Histogram\uff1a\u7528\u4e8e\u6d4b\u91cf\u503c\u7684\u5206\u5e03\uff0c\u4f8b\u5982\u8bf7\u6c42\u5ef6\u8fdf\u3001\u54cd\u5e94\u65f6\u95f4\u7b49\u3002 GaugeObserver\uff1a\u7528\u4e8e\u6d4b\u91cf\u975e\u76f8\u52a0\u503c\uff0c\u5982\u9519\u8bef\u7387\u3001\u5185\u5b58\u5229\u7528\u7387\u7b49\u3002 \u9009\u62e9\u5408\u9002\u7684\u4eea\u5668\u7c7b\u578b\u53d6\u51b3\u4e8e\u8981\u6d4b\u91cf\u7684\u6307\u6807\u6027\u8d28\u3002\u4f8b\u5982\uff1a \u5982\u679c\u8981\u8bb0\u5f55\u4e00\u4e2a\u4e8b\u4ef6\u7684\u53d1\u751f\u6b21\u6570\u6216\u4e00\u4e2a\u503c\u968f\u65f6\u95f4\u7684\u7d2f\u79ef\uff0c\u5e94\u8be5\u4f7f\u7528Counter\u3002 \u5982\u679c\u8981\u6d4b\u91cf\u53ef\u968f\u65f6\u95f4\u589e\u52a0\u6216\u51cf\u5c11\u7684\u9644\u52a0\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528UpDownCounter\u3002 \u5982\u679c\u9700\u8981\u76f4\u65b9\u56fe\u3001\u70ed\u56fe\u6216\u767e\u5206\u4f4d\u6570\uff0c\u5e94\u4f7f\u7528Histogram\u3002 \u5982\u679c\u8981\u6d4b\u91cfsum\u4e0d\u80fd\u4ea7\u751f\u6709\u610f\u4e49\u6216\u6b63\u786e\u7ed3\u679c\u7684\u975e\u76f8\u52a0\u503c\uff0c\u5982\u9519\u8bef\u7387\u6216\u5185\u5b58\u5229\u7528\u7387\uff0c\u5e94\u4f7f\u7528GaugeObserver\u3002 3. \u914d\u7f6e\u6307\u6807\u5bfc\u51fa\u5668 \u6307\u6807\u5bfc\u51fa\u5668\uff08exporters\uff09\u8d1f\u8d23\u5c06\u9065\u6d4b\u6570\u636e\u53d1\u9001\u5230\u5916\u90e8\u7cfb\u7edf\u6216\u540e\u7aef\u8fdb\u884c\u5b58\u50a8\u3001\u5206\u6790\u548c\u53ef\u89c6\u5316\u3002OpenTelemetry\u652f\u6301\u591a\u79cd\u5bfc\u51fa\u534f\u8bae\u548c\u683c\u5f0f\uff0c\u5982OTLP\uff08OpenTelemetry Protocol\uff09\u3001Prometheus\u3001AWS Metrics\u3001InfluxDB\u7b49\u3002 \u8981\u5c06\u6307\u6807\u6570\u636e\u53d1\u9001\u5230\u7279\u5b9a\u7684\u540e\u7aef\uff0c\u9700\u8981\u914d\u7f6e\u76f8\u5e94\u7684\u5bfc\u51fa\u5668\u3002\u4f8b\u5982\uff0c\u8981\u5c06\u6307\u6807\u53d1\u9001\u5230Prometheus\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u914d\u7f6e\uff1a yaml exporters: otlphttp\/prometheus: endpoint: tls: insecure: true \u5728\u4e0a\u8ff0\u914d\u7f6e\u4e2d\uff0c`otlphttp\/prometheus`\u662f\u5bfc\u51fa\u5668\u7684\u540d\u79f0\uff0c`endpoint`\u6307\u5b9a\u4e86Prometheus\u670d\u52a1\u5668\u7684\u5730\u5740\uff0c`tls.insecure`\u8bbe\u7f6e\u4e3a`true`\u8868\u793a\u5141\u8bb8\u4e0d\u5b89\u5168\u7684\u8fde\u63a5\uff08\u4ec5\u7528\u4e8e\u6d4b\u8bd5\u76ee\u7684\uff09\u3002 4. \u6ce8\u518c\u6307\u6807\u548c\u5bfc\u51fa\u5668 \u5728\u521b\u5efa\u6307\u6807\u548c\u914d\u7f6e\u5bfc\u51fa\u5668\u4e4b\u540e\uff0c\u9700\u8981\u5c06\u5b83\u4eec\u6ce8\u518c\u5230OpenTelemetry SDK\u4e2d\u3002\u6ce8\u518c\u8fc7\u7a0b\u901a\u5e38\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u521d\u59cb\u5316\u9636\u6bb5\u5b8c\u6210\u3002 \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Go\u8bed\u8a00\u6ce8\u518c\u6307\u6807\u548c\u5bfc\u51fa\u5668\u7684\u793a\u4f8b\uff1a go import ( […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-38305","post","type-post","status-publish","format-standard","hentry","category-discussion"],"_links":{"self":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/38305","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/comments?post=38305"}],"version-history":[{"count":1,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/38305\/revisions"}],"predecessor-version":[{"id":38307,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/38305\/revisions\/38307"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=38305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=38305"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=38305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}