{"id":24923,"date":"2025-01-21T13:21:46","date_gmt":"2025-01-21T05:21:46","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=24923"},"modified":"2025-01-21T13:21:46","modified_gmt":"2025-01-21T05:21:46","slug":"opentelemetry-%e5%a6%82%e4%bd%95%e6%94%af%e6%8c%81%e8%87%aa%e5%ae%9a%e4%b9%89%e7%9a%84%e7%9b%91%e6%8e%a7%e6%8c%87%e6%a0%87%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/24923.html","title":{"rendered":"OpenTelemetry \u5982\u4f55\u652f\u6301\u81ea\u5b9a\u4e49\u7684\u76d1\u63a7\u6307\u6807\uff1f"},"content":{"rendered":"

\t\t\t\t\n\n

\"OpenTelemetry<\/p>\n\n<\/p>\n\n\n\n

\u5728\u73b0\u4ee3\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u76d1\u63a7\u548c\u53ef\u89c2\u6d4b\u6027\u662f\u786e\u4fdd\u7cfb\u7edf\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u7684\u5173\u952e\u3002\u968f\u7740\u5fae\u670d\u52a1\u67b6\u6784\u7684\u666e\u53ca\uff0c\u4f20\u7edf\u7684\u76d1\u63a7\u5de5\u5177\u5df2\u7ecf\u65e0\u6cd5\u6ee1\u8db3\u590d\u6742\u7cfb\u7edf\u7684\u9700\u6c42\u3002OpenTelemetry<\/strong>\u4f5c\u4e3a\u4e00\u79cd\u5f00\u6e90\u7684\u53ef\u89c2\u6d4b\u6027\u6846\u67b6\uff0c\u4e0d\u4ec5\u63d0\u4f9b\u4e86\u5bf9\u5206\u5e03\u5f0f\u8ffd\u8e2a\u7684\u652f\u6301\uff0c\u8fd8\u5141\u8bb8\u5f00\u53d1\u8005\u81ea\u5b9a\u4e49\u76d1\u63a7\u6307\u6807\uff0c\u4ece\u800c\u66f4\u7075\u6d3b\u5730\u9002\u5e94\u5404\u79cd\u4e1a\u52a1\u573a\u666f\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8OpenTelemetry\u5982\u4f55\u652f\u6301\u81ea\u5b9a\u4e49\u7684\u76d1\u63a7\u6307\u6807<\/strong>\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u7406\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u548c\u5e94\u7528\u65b9\u6cd5\u3002<\/p>\n\n\n\n\n

1. OpenTelemetry \u7b80\u4ecb<\/h3>\n\n\n\n\n

OpenTelemetry<\/strong>\u662f\u4e00\u4e2a\u5f00\u6e90\u9879\u76ee\uff0c\u65e8\u5728\u4e3a\u5206\u5e03\u5f0f\u7cfb\u7edf\u63d0\u4f9b\u7edf\u4e00\u7684\u53ef\u89c2\u6d4b\u6027\u5de5\u5177\u3002\u5b83\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\uff0c\u5305\u62ecJava\u3001Python\u3001Go\u7b49\uff0c\u5e76\u4e14\u53ef\u4ee5\u4e0e\u591a\u79cd\u540e\u7aef\u7cfb\u7edf\u96c6\u6210\uff0c\u5982Prometheus\u3001Jaeger\u548cZipkin\u3002OpenTelemetry\u7684\u6838\u5fc3\u529f\u80fd\u5305\u62ec\u5206\u5e03\u5f0f\u8ffd\u8e2a\u3001\u65e5\u5fd7\u8bb0\u5f55\u548c\u6307\u6807\u6536\u96c6\u3002\u5176\u4e2d\uff0c\u6307\u6807\u6536\u96c6<\/strong>\u662fOpenTelemetry\u7684\u4e00\u4e2a\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5b9a\u4e49\u548c\u6536\u96c6\u5404\u79cd\u6027\u80fd\u6307\u6807\uff0c\u5982\u8bf7\u6c42\u901f\u7387\u3001\u9519\u8bef\u7387\u548c\u54cd\u5e94\u65f6\u95f4\u3002<\/p>\n\n\n\n\n

2. \u4e3a\u4ec0\u4e48\u9700\u8981\u81ea\u5b9a\u4e49\u76d1\u63a7\u6307\u6807\uff1f<\/h3>\n\n\n\n\n

\u5728\u590d\u6742\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u6807\u51c6\u7684\u76d1\u63a7\u6307\u6807\u5f80\u5f80\u65e0\u6cd5\u5b8c\u5168\u8986\u76d6\u6240\u6709\u4e1a\u52a1\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u7535\u5546\u5e73\u53f0\u53ef\u80fd\u9700\u8981\u76d1\u63a7\u7279\u5b9a\u5546\u54c1\u7684\u5e93\u5b58\u53d8\u5316\uff0c\u6216\u8005\u4e00\u4e2a\u793e\u4ea4\u7f51\u7edc\u53ef\u80fd\u9700\u8981\u8ddf\u8e2a\u7528\u6237\u6d3b\u8dc3\u5ea6\u3002\u8fd9\u4e9b\u81ea\u5b9a\u4e49\u6307\u6807<\/strong>\u80fd\u591f\u63d0\u4f9b\u66f4\u7ec6\u7c92\u5ea6\u7684\u6d1e\u5bdf\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n\n\n\n\n

OpenTelemetry<\/strong>\u901a\u8fc7\u63d0\u4f9b\u7075\u6d3b\u7684API\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u8f7b\u677e\u5b9a\u4e49\u548c\u6536\u96c6\u8fd9\u4e9b\u81ea\u5b9a\u4e49\u6307\u6807\u3002\u8fd9\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u53ef\u89c2\u6d4b\u6027\uff0c\u8fd8\u4e3a\u4e1a\u52a1\u51b3\u7b56\u63d0\u4f9b\u4e86\u6570\u636e\u652f\u6301\u3002<\/p>\n\n\n\n\n

3. OpenTelemetry \u5982\u4f55\u652f\u6301\u81ea\u5b9a\u4e49\u76d1\u63a7\u6307\u6807\uff1f<\/h3>\n\n\n\n\n

3.1 \u6307\u6807\u7c7b\u578b<\/h4>\n\n\n\n\n

OpenTelemetry\u652f\u6301\u591a\u79cd\u7c7b\u578b\u7684\u6307\u6807\uff0c\u5305\u62ec\u8ba1\u6570\u5668\uff08Counter\uff09<\/strong>\u3001\u6d4b\u91cf\u5668\uff08Gauge\uff09\u548c<\/strong>\u76f4\u65b9\u56fe\uff08Histogram\uff09<\/strong>\u3002\u6bcf\u79cd\u7c7b\u578b\u90fd\u6709\u5176\u7279\u5b9a\u7684\u7528\u9014\uff1a<\/p>\n\n\n\n\n

    \n\n\n
  • \u8ba1\u6570\u5668\uff08Counter\uff09<\/strong>\uff1a\u7528\u4e8e\u8bb0\u5f55\u5355\u8c03\u9012\u589e\u7684\u503c\uff0c\u5982\u8bf7\u6c42\u603b\u6570\u6216\u9519\u8bef\u603b\u6570\u3002<\/li>\n\n\n\n\n
  • \u6d4b\u91cf\u5668\uff08Gauge\uff09<\/strong>\uff1a\u7528\u4e8e\u8bb0\u5f55\u77ac\u65f6\u503c\uff0c\u5982\u5f53\u524d\u5185\u5b58\u4f7f\u7528\u91cf\u6216CPU\u8d1f\u8f7d\u3002<\/li>\n\n\n\n\n
  • \u76f4\u65b9\u56fe\uff08Histogram\uff09<\/strong>\uff1a\u7528\u4e8e\u8bb0\u5f55\u503c\u7684\u5206\u5e03\u60c5\u51b5\uff0c\u5982\u8bf7\u6c42\u54cd\u5e94\u65f6\u95f4\u7684\u5206\u5e03\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n

    3.2 \u5b9a\u4e49\u81ea\u5b9a\u4e49\u6307\u6807<\/h4>\n\n\n\n\n

    \u5728OpenTelemetry\u4e2d\uff0c\u5b9a\u4e49\u81ea\u5b9a\u4e49\u6307\u6807\u7684\u8fc7\u7a0b\u975e\u5e38\u7b80\u5355\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Python\u8bed\u8a00\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n\n

    from opentelemetry import metrics
    \nfrom opentelemetry.sdk.metrics import MeterProvider
    \nfrom opentelemetry.sdk.metrics.export import ConsoleMetricsExporter
    \n
    \n# \u521b\u5efaMeterProvider
    \nprovider = MeterProvider()
    \nmetrics.set_meter_provider(provider)
    \n
    \n# \u521b\u5efaMeter
    \nmeter = metrics.get_meter("my_meter")
    \n
    \n# \u5b9a\u4e49\u81ea\u5b9a\u4e49\u8ba1\u6570\u5668
    \nrequests_counter = meter.create_counter(
    \n    "requests_total",
    \n    description="Total number of requests",
    \n    unit="1",
    \n)
    \n
    \n# \u8bb0\u5f55\u6307\u6807
    \nrequests_counter.add(1, {"endpoint": "\/api\/v1\/users"})
    \n<\/code><\/pre>\n\n\n\n\n
    \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2aMeterProvider<\/code>\uff0c\u7136\u540e\u4f7f\u7528get_meter<\/code>\u65b9\u6cd5\u83b7\u53d6\u4e86\u4e00\u4e2aMeter<\/code>\u5b9e\u4f8b\u3002\u63a5\u7740\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3arequests_total<\/code>\u7684\u8ba1\u6570\u5668\uff0c\u5e76\u8bb0\u5f55\u4e86\u5b83\u7684\u503c\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8f7b\u677e\u5730\u5b9a\u4e49\u548c\u6536\u96c6\u81ea\u5b9a\u4e49\u6307\u6807\u3002<\/p>\n\n\n\n\n
    3.3 \u6307\u6807\u5bfc\u51fa<\/h4>\n\n\n\n\n
    \u5b9a\u4e49\u81ea\u5b9a\u4e49\u6307\u6807\u540e\uff0cOpenTelemetry\u8fd8\u63d0\u4f9b\u4e86\u591a\u79cd\u5bfc\u51fa\u65b9\u5f0f\uff0c\u4ee5\u4fbf\u5c06\u6307\u6807\u6570\u636e\u53d1\u9001\u5230\u4e0d\u540c\u7684\u76d1\u63a7\u7cfb\u7edf\u3002\u5e38\u89c1\u7684\u5bfc\u51fa\u65b9\u5f0f\u5305\u62ec\uff1a<\/p>\n\n\n\n\n
      \n\n\n
    • ConsoleMetricsExporter<\/strong>\uff1a\u5c06\u6307\u6807\u6570\u636e\u8f93\u51fa\u5230\u63a7\u5236\u53f0\uff0c\u9002\u7528\u4e8e\u5f00\u53d1\u548c\u8c03\u8bd5\u3002<\/li>\n\n\n\n\n
    • PrometheusExporter<\/strong>\uff1a\u5c06\u6307\u6807\u6570\u636e\u5bfc\u51fa\u5230Prometheus\uff0c\u9002\u7528\u4e8e\u751f\u4ea7\u73af\u5883\u3002<\/li>\n\n\n\n\n
    • OTLPExporter<\/strong>\uff1a\u5c06\u6307\u6807\u6570\u636e\u5bfc\u51fa\u5230OpenTelemetry Collector\uff0c\u9002\u7528\u4e8e\u590d\u6742\u7684\u5206\u5e03\u5f0f\u7cfb\u7edf\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n
      \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528PrometheusExporter\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n\n
      from opentelemetry.exporter.prometheus import PrometheusMetricsExporter
      \nfrom opentelemetry.sdk.metrics.export import PeriodicExportingMetricReader
      \n
      \n# \u521b\u5efaPrometheusExporter
      \nexporter = PrometheusMetricsExporter()
      \n
      \n# \u521b\u5efaPeriodicExportingMetricReader
      \nreader = PeriodicExportingMetricReader(exporter, export_interval_millis=60000)
      \n
      \n# \u5c06reader\u6dfb\u52a0\u5230MeterProvider
      \nprovider = MeterProvider(metric_readers=[reader])
      \nmetrics.set_meter_provider(provider)
      \n<\/code><\/pre>\n\n\n\n\n
      \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2aPrometheusMetricsExporter<\/code>\uff0c\u5e76\u5c06\u5176\u4e0ePeriodicExportingMetricReader<\/code>\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u4fbf\u5b9a\u671f\u5c06\u6307\u6807\u6570\u636e\u5bfc\u51fa\u5230Prometheus\u3002<\/p>\n\n\n\n\n
      4. \u81ea\u5b9a\u4e49\u6307\u6807\u7684\u6700\u4f73\u5b9e\u8df5<\/h3>\n\n\n\n\n
      \u5728\u4f7f\u7528OpenTelemetry\u5b9a\u4e49\u548c\u6536\u96c6\u81ea\u5b9a\u4e49\u6307\u6807\u65f6\uff0c\u4ee5\u4e0b\u51e0\u70b9\u6700\u4f73\u5b9e\u8df5\u503c\u5f97\u6ce8\u610f\uff1a<\/p>\n\n\n\n\n
        \n\n\n
      • \u660e\u786e\u6307\u6807\u7528\u9014<\/strong>\uff1a\u5728\u5b9a\u4e49\u81ea\u5b9a\u4e49\u6307\u6807\u4e4b\u524d\uff0c\u5e94\u660e\u786e\u5176\u7528\u9014\u548c\u76ee\u6807\u3002\u4f8b\u5982\uff0c\u662f\u4e3a\u4e86\u76d1\u63a7\u7cfb\u7edf\u6027\u80fd\uff0c\u8fd8\u662f\u4e3a\u4e86\u652f\u6301\u4e1a\u52a1\u51b3\u7b56\uff1f<\/li>\n\n\n\n\n
      • \u5408\u7406\u9009\u62e9\u6307\u6807\u7c7b\u578b<\/strong>\uff1a\u6839\u636e\u6307\u6807\u7684\u6027\u8d28\u9009\u62e9\u5408\u9002\u7684\u7c7b\u578b\u3002\u4f8b\u5982\uff0c\u8ba1\u6570\u5668\u9002\u7528\u4e8e\u8bb0\u5f55\u5355\u8c03\u9012\u589e\u7684\u503c\uff0c\u800c\u6d4b\u91cf\u5668\u9002\u7528\u4e8e\u8bb0\u5f55\u77ac\u65f6\u503c\u3002<\/li>\n\n\n\n\n
      • \u907f\u514d\u8fc7\u5ea6\u76d1\u63a7<\/strong>\uff1a\u8fc7\u591a\u7684\u81ea\u5b9a\u4e49\u6307\u6807\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u6b64\u5e94\u5408\u7406\u63a7\u5236\u6307\u6807\u7684\u6570\u91cf\u548c\u7c92\u5ea6\u3002<\/li>\n\n\n\n\n
      • \u5b9a\u671f\u5ba1\u67e5\u6307\u6807<\/strong>\uff1a\u968f\u7740\u4e1a\u52a1\u7684\u53d1\u5c55\uff0c\u67d0\u4e9b\u81ea\u5b9a\u4e49\u6307\u6807\u53ef\u80fd\u4f1a\u53d8\u5f97\u4e0d\u518d\u91cd\u8981\u3002\u56e0\u6b64\uff0c\u5e94\u5b9a\u671f\u5ba1\u67e5\u548c\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6307\u6807\u3002<\/li>\n\n\n<\/ul>\n\n\n\n\n
        5. \u5b9e\u9645\u5e94\u7528\u6848\u4f8b<\/h3>\n\n\n\n\n
        \u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3OpenTelemetry\u5982\u4f55\u652f\u6301\u81ea\u5b9a\u4e49\u76d1\u63a7\u6307\u6807\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\uff1a<\/p>\n\n\n\n\n
        \u5047\u8bbe\u6211\u4eec\u6b63\u5728\u5f00\u53d1\u4e00\u4e2a\u5728\u7ebf\u8d2d\u7269\u5e73\u53f0\uff0c\u9700\u8981\u76d1\u63a7\u6bcf\u4e2a\u5546\u54c1\u7684\u5e93\u5b58\u53d8\u5316\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528OpenTelemetry\u5b9a\u4e49\u4e00\u4e2a\u81ea\u5b9a\u4e49\u8ba1\u6570\u5668inventory_changes_total<\/code>\uff0c\u5e76\u5728\u6bcf\u6b21\u5e93\u5b58\u53d8\u5316\u65f6\u8bb0\u5f55\u5176\u503c\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u65f6\u76d1\u63a7\u6bcf\u4e2a\u5546\u54c1\u7684\u5e93\u5b58\u60c5\u51b5\uff0c\u5e76\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u5e93\u5b58\u4e0d\u8db3\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n\n
        # \u5b9a\u4e49\u81ea\u5b9a\u4e49\u8ba1\u6570\u5668
        \ninventory_counter = meter.create_counter(
        \n    "inventory_changes_total",
        \n    description="Total number of inventory changes",
        \n    unit="1",
        \n)
        \n
        \n# \u8bb0\u5f55\u5e93\u5b58\u53d8\u5316
        \ninventory_counter.add(1, {"product_id": "12345", "change_type": "increase"})
        \ninventory_counter.add(1, {"product_id": "12345", "change_type": "decrease"})
        \n<\/code><\/pre>\n\n\n\n\n
        \u5728\u8fd9\u4e2a\u6848\u4f8b\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7OpenTelemetry\u5b9a\u4e49\u4e86\u4e00\u4e2a\u81ea\u5b9a\u4e49\u8ba1\u6570\u5668inventory_changes_total<\/code>\uff0c\u5e76\u5728\u6bcf\u6b21\u5e93\u5b58\u53d8\u5316\u65f6\u8bb0\u5f55\u5176\u503c\u3002\u8fd9\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u53ef\u89c2\u6d4b\u6027\uff0c\u8fd8\u4e3a\u5e93\u5b58\u7ba1\u7406\u63d0\u4f9b\u4e86\u6570\u636e\u652f\u6301\u3002<\/p>\n\n\n\n\n
        6. \u603b\u7ed3<\/h3>\n\n\n\n\n
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