{"id":304273,"date":"2022-09-21T19:24:35","date_gmt":"2022-09-21T11:24:35","guid":{"rendered":"https:\/\/www.idc.net\/help\/304273\/"},"modified":"2022-09-21T19:24:35","modified_gmt":"2022-09-21T11:24:35","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91%e5%8f%af%e8%a7%82%e6%b5%8b-opentelemetry-%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86%e6%9e%b6%e6%9e%84-%e5%88%86%e5%b8%83%e5%bc%8f%e8%bf%bd%e8%b8%aa-%e6%8c%87%e6%a0%87-%e6%97%a5","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/304273\/","title":{"rendered":"\u540e\u6d6a\u4e91\u53ef\u89c2\u6d4b OpenTelemetry \u57fa\u7840\u77e5\u8bc6(\u67b6\u6784\/\u5206\u5e03\u5f0f\u8ffd\u8e2a\/\u6307\u6807\/\u65e5\u5fd7\/\u91c7\u6837\/\u6536\u96c6\u5668)"},"content":{"rendered":"<h2>\u4ec0\u4e48\u662f OpenTelemetry\uff1f<\/h2>\n<p>OpenTelemetry \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u53ef\u89c2\u6d4b\u6027\u6846\u67b6\uff0c\u7531\u4e91\u539f\u751f\u57fa\u91d1\u4f1a(CNCF)\u6258\u7ba1\u3002\u5b83\u662f OpenCensus \u548c OpenTracing \u9879\u76ee\u7684\u5408\u5e76\u3002\u65e8\u5728\u4e3a\u6240\u6709\u7c7b\u578b\u7684\u53ef\u89c2\u6d4b\u4fe1\u53f7(\u5982\u8ddf\u8e2a\u3001\u6307\u6807\u548c\u65e5\u5fd7)\u63d0\u4f9b\u5355\u4e00\u6807\u51c6\u3002<\/p>\n<ul>\n<li>https:\/\/opentelemetry.io<\/li>\n<li>https:\/\/www.cncf.io<\/li>\n<li>https:\/\/opencensus.io<\/li>\n<\/ul>\n<p>OpenTelemetry \u6307\u5b9a\u4e86\u5982\u4f55\u6536\u96c6\u9065\u6d4b\u6570\u636e\u5e76\u5c06\u5176\u53d1\u9001\u5230\u540e\u7aef\u5e73\u53f0\u3002\u901a\u8fc7\u63d0\u4f9b\u901a\u7528\u7684\u6570\u636e\u683c\u5f0f\u548c API, OpenTelemetry \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<p>OpenTelemetry \u67b6\u6784\u4fc3\u8fdb\u4e86\u7075\u6d3b\u6027\u3001\u4e92\u64cd\u4f5c\u6027\u548c\u53ef\u6269\u5c55\u6027\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u91c7\u7528\u6ee1\u8db3\u5176\u7279\u5b9a\u9700\u6c42\u548c\u73af\u5883\u7684\u53ef\u89c2\u6d4b\u6027\u5b9e\u8df5\u3002<\/p>\n<h2>\u9065\u6d4b\u6570\u636e\u7c7b\u578b<\/h2>\n<p>OpenTelemetry \u652f\u6301\u4e0d\u540c\u7684\u9065\u6d4b\u6570\u636e\u7c7b\u578b\uff1a<\/p>\n<ul>\n<li>OpenTelemetry Trace&nbsp;\u8868\u793a\u8de8\u591a\u4e2a\u7ec4\u4ef6\u548c\u670d\u52a1\u7684\u8bf7\u6c42\u6216\u64cd\u4f5c\u7684\u6267\u884c\u8def\u5f84\u3002\u5b83\u4eec\u63d0\u4f9b\u8be6\u7ec6\u7684\u65f6\u95f4\u548c\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u4e86\u89e3\u8bf7\u6c42\u6d41\u5e76\u786e\u5b9a\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<li>OpenTelemetry Metrics&nbsp;\u662f\u5bf9\u7cfb\u7edf\u884c\u4e3a\u6216\u8d44\u6e90\u5229\u7528\u7387\u7684\u5b9a\u91cf\u6d4b\u91cf\u3002\u5b83\u4eec\u6709\u52a9\u4e8e\u76d1\u63a7\u548c\u5206\u6790\u4e00\u6bb5\u65f6\u95f4\u5185\u7684\u6027\u80fd\uff0c\u5e76\u53ef\u7528\u4e8e\u8b66\u62a5\u3001\u5bb9\u91cf\u89c4\u5212\u548c\u8d8b\u52bf\u5206\u6790\u3002<\/li>\n<li>OpenTelemetry Logs&nbsp;\u5305\u542b\u6709\u5173\u5e94\u7528\u7a0b\u5e8f\u4e2d\u53d1\u751f\u7684\u4e8b\u4ef6\u3001\u9519\u8bef\u548c\u6d3b\u52a8\u7684\u7ed3\u6784\u5316\u6216\u975e\u7ed3\u6784\u5316\u6587\u672c\u4fe1\u606f\u3002\u5b83\u4eec\u5bf9\u4e8e\u8c03\u8bd5\u3001\u5ba1\u8ba1\u548c\u6545\u969c\u6392\u9664\u975e\u5e38\u6709\u7528\u3002<\/li>\n<\/ul>\n<h2>\u5982\u4f55\u4f7f\u7528 OpenTelemetry?<\/h2>\n<p>\u5f00\u59cb\u4f7f\u7528 OpenTelemetry \u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u9009\u62e9\u4e00\u4e2a\u5206\u5e03\u5f0f\u8ddf\u8e2a\u5de5\u5177( Jaeger\/SigNoz\/Uptrace)\u5e76\u9075\u5faa\u4ed6\u4eec\u7684\u6587\u6863\u3002<\/p>\n<ul>\n<li>https:\/\/www.jaegertracing.io<\/li>\n<li>https:\/\/signoz.io<\/li>\n<li>https:\/\/uptrace.dev<\/li>\n<\/ul>\n<h2>\u672f\u8bed\u8868<\/h2>\n<ul>\n<li>OpenTelemetry API&nbsp;\u662f\u4e00\u4e2a\u7f16\u7a0b\u63a5\u53e3\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u68c0\u6d4b\u4ee3\u7801\u4ee5\u6536\u96c6\u9065\u6d4b\u6570\u636e\uff0c\u5982\u8ddf\u8e2a\u3001\u6307\u6807\u548c\u65e5\u5fd7\u3002<\/li>\n<li>OpenTelemetry SDK&nbsp;\u662f OpenTelemetry API \u7684\u5b98\u65b9\u5b9e\u73b0\uff0c\u7528\u4e8e\u5904\u7406\u548c\u5c06\u6536\u96c6\u7684\u9065\u6d4b\u6570\u636e\u5bfc\u51fa\u5230\u540e\u7aef\u3002<\/li>\n<li>OpenTelemetry Instrumentation&nbsp;\u662f\u6d41\u884c\u6846\u67b6\u548c\u5e93\u7684\u63d2\u4ef6\uff0c\u5b83\u4eec\u4f7f\u7528 OpenTelemetry API \u6765\u8bb0\u5f55\u91cd\u8981\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982 HTTP \u8bf7\u6c42\u3001DB \u67e5\u8be2\u3001\u65e5\u5fd7\u3001\u9519\u8bef\u7b49\u7b49\u3002<\/li>\n<li>OpenTelemetry Collector&nbsp;\u662f\u5e94\u7528\u7a0b\u5e8f\u548c\u540e\u7aef\u4e4b\u95f4\u7684\u4ee3\u7406\u3002\u5b83\u63a5\u6536\u9065\u6d4b\u6570\u636e\uff0c\u5bf9\u5176\u8fdb\u884c\u8f6c\u6362\uff0c\u7136\u540e\u5c06\u6570\u636e\u5bfc\u51fa\u5230\u53ef\u4ee5\u6c38\u4e45\u5b58\u50a8\u6570\u636e\u7684\u540e\u7aef\u3002Collector \u8fd8\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a\u4ee3\u7406\uff0c\u4ece\u88ab\u76d1\u89c6\u7684\u7cfb\u7edf\u4e2d\u63d0\u53d6\u9065\u6d4b\u6570\u636e\uff0c\u4f8b\u5982\uff0cOpenTelemetry Redis \u6216\u6587\u4ef6\u7cfb\u7edf\u6307\u6807\u3002<\/li>\n<li>OTLP&nbsp;\u662f SDK \u548c Collector \u4f7f\u7528\u7684 OpenTelemetry \u534f\u8bae\uff0c\u7528\u4e8e\u5c06\u6570\u636e\u5bfc\u51fa\u5230\u540e\u7aef\u6216\u5176\u4ed6\u6536\u96c6\u5668\u3002\u4f5c\u4e3a\u4f20\u8f93\u534f\u8bae\uff0cOTLP \u53ef\u4ee5\u4f7f\u7528 gRPC (OTLP\/gRPC) \u6216 HTTP (OTLP\/HTTP)\u3002<\/li>\n<li>OpenTelemetry Backend&nbsp;\u8d1f\u8d23\u63a5\u6536\u3001\u5b58\u50a8\u548c\u5206\u6790 OpenTelemetry \u6536\u96c6\u7684\u9065\u6d4b\u6570\u636e\u3002\u5b83\u5145\u5f53\u6570\u636e\u7684\u4e2d\u592e\u5b58\u50a8\u5e93\u6216\u5904\u7406\u7ba1\u9053\uff0c\u5141\u8bb8\u60a8\u805a\u5408\u3001\u67e5\u8be2\u3001\u53ef\u89c6\u5316\u5e76\u4ece\u5e94\u7528\u7a0b\u5e8f\u751f\u6210\u7684\u9065\u6d4b\u6570\u636e\u4e2d\u83b7\u5f97\u89c1\u89e3\u3002<\/li>\n<li>OpenTelemetry Jaeger&nbsp;\u662f OpenTelemetry \u751f\u6001\u7cfb\u7edf\u4e2d\u7684\u4e00\u4e2a\u9879\u76ee\uff0c\u901a\u5e38\u88ab\u7528\u4f5c\u9ed8\u8ba4\u7684 OpenTelemetry \u540e\u7aef\uff0c\u7528\u4e8e\u5b58\u50a8\u3001\u5206\u6790\u548c\u53ef\u89c6\u5316\u9065\u6d4b\u6570\u636e\u3002<\/li>\n<\/ul>\n<h2>OpenTelemetry \u67b6\u6784<\/h2>\n<h3>\u6982\u89c8\u56fe<\/h3>\n<p>OpenTelemetry \u67b6\u6784\u65e8\u5728\u63d0\u4f9b\u4e00\u79cd\u6807\u51c6\u5316\u7684\u65b9\u6cd5\u6765\u6536\u96c6\u3001\u4f20\u8f93\u548c\u5904\u7406\u6765\u81ea\u5e94\u7528\u7a0b\u5e8f\u548c\u670d\u52a1\u7684\u9065\u6d4b\u6570\u636e\u3002\u5b83\u7531\u51e0\u4e2a\u5173\u952e\u7ec4\u4ef6\u7ec4\u6210\uff0c\u8fd9\u4e9b\u7ec4\u4ef6\u534f\u540c\u5de5\u4f5c\u4ee5\u5b9e\u73b0\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u53ef\u89c2\u6d4b\u6027\u3002<\/p>\n<p style=\"text-align:center\"><span>\u56fe\u7247<\/span><\/p>\n<h3>\u53ef\u89c2\u6d4b\u6027\u4fe1\u53f7<\/h3>\n<p>OpenTelemetry \u63d0\u4f9b\u4e86\u4e00\u79cd\u6355\u83b7\u53ef\u89c2\u6d4b\u6027\u4fe1\u53f7\u7684\u6807\u51c6\u5316\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>Metrics(\u6307\u6807) \u8868\u660e\u5b58\u5728\u95ee\u9898\u3002<\/li>\n<li>Traces(\u8ddf\u8e2a) \u4f1a\u544a\u8bc9\u4f60\u95ee\u9898\u51fa\u5728\u54ea\u91cc\u3002<\/li>\n<li>Logs(\u65e5\u5fd7) \u53ef\u4ee5\u5e2e\u52a9\u60a8\u627e\u5230\u6839\u672c\u539f\u56e0\u3002<\/li>\n<\/ul>\n<p>OpenTelemetry Metrics \u662f\u5e2e\u52a9\u91cf\u5316\u7cfb\u7edf\u884c\u4e3a\u7684\u5b9a\u91cf\u6307\u6807\u3002\u5b83\u4eec\u63d0\u4f9b\u6709\u5173\u5e94\u7528\u7a0b\u5e8f\u67d0\u4e9b\u65b9\u9762\u7684\u5f53\u524d\u72b6\u6001\u6216\u901f\u7387\u7684\u4fe1\u606f\uff0c\u4f8b\u5982 CPU \u4f7f\u7528\u60c5\u51b5\u3001\u5185\u5b58\u6d88\u8017\u6216\u8bf7\u6c42\u5ef6\u8fdf\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<ul>\n<li>https:\/\/opentelemetry.io\/docs\/concepts\/signals\/metrics\/<\/li>\n<\/ul>\n<p>OpenTelemetry Traces \u63d0\u4f9b\u4e86\u8bf7\u6c42\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u6267\u884c\u8def\u5f84\u7684\u8be6\u7ec6\u8bb0\u5f55\u3002\u5b83\u4eec\u6355\u83b7\u5355\u4e2a\u64cd\u4f5c\u53ca\u5176\u5173\u7cfb\u7684\u65f6\u95f4\u4fe1\u606f\uff0c\u4f7f\u60a8\u80fd\u591f\u4e86\u89e3\u8bf7\u6c42\u6d41\u3001\u786e\u5b9a\u74f6\u9888\u5e76\u89e3\u51b3\u6027\u80fd\u95ee\u9898\u3002\u4f7f\u7528 OpenTelemetry\uff0c\u60a8\u53ef\u4ee5\u5bf9\u4ee3\u7801\u8fdb\u884c\u68c0\u6d4b\uff0c\u4ee5\u751f\u6210\u5206\u5e03\u5f0f\u8ddf\u8e2a\u5e76\u5728\u670d\u52a1\u4e4b\u95f4\u8fdb\u884c\u5173\u8054\u3002<\/p>\n<ul>\n<li>https:\/\/opentelemetry.io\/docs\/concepts\/signals\/traces\/<\/li>\n<\/ul>\n<p>OpenTelemetry Logs \u662f\u5728\u5e94\u7528\u7a0b\u5e8f\u6267\u884c\u671f\u95f4\u53d1\u751f\u7684\u4e8b\u4ef6\u6216\u6d88\u606f\u7684\u6587\u672c\u8bb0\u5f55\u3002\u5b83\u4eec\u5e2e\u52a9\u60a8\u7406\u89e3\u5e94\u7528\u7a0b\u5e8f\u884c\u4e3a\u3001\u8bca\u65ad\u95ee\u9898\u548c\u5ba1\u8ba1\u6d3b\u52a8\u3002OpenTelemetry \u63d0\u4f9b\u4e86\u4e00\u79cd\u673a\u5236\uff0c\u53ef\u4ee5\u4ece\u5e94\u7528\u7a0b\u5e8f\u4e2d\u6355\u83b7\u7ed3\u6784\u5316\u65e5\u5fd7\uff0c\u5e76\u7528\u4e0a\u4e0b\u6587\u4fe1\u606f\u4e30\u5bcc\u5b83\u4eec\u3002<\/p>\n<ul>\n<li>https:\/\/opentelemetry.io\/docs\/concepts\/signals\/logs\/<\/li>\n<\/ul>\n<h3>Instrumentation \u5e93(\u68c0\u6d4b\u5de5\u5177\u7a0b\u5e8f)<\/h3>\n<p>OpenTelemetry \u4e3a\u4e0d\u540c\u7684\u7f16\u7a0b\u8bed\u8a00\u63d0\u4f9b\u4e86\u5e93\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u5e93\u6765\u68c0\u6d4b\u4ed6\u4eec\u7684\u5e94\u7528\u7a0b\u5e8f\u5e76\u6536\u96c6\u9065\u6d4b\u6570\u636e\u3002<\/p>\n<p>Instrumentation \u5b98\u65b9\u8be6\u7ec6\u6587\u6863<\/p>\n<ul>\n<li>https:\/\/opentelemetry.io\/docs\/instrumentation\/<\/li>\n<\/ul>\n<h3>OpenTelemetry SDK<\/h3>\n<p>OpenTelemetry SDK\uff08\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305\uff09\u662f\u4e00\u4e2a\u5e93\u548c\u5de5\u5177\u7684\u96c6\u5408\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u80fd\u591f\u5bf9\u5176\u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c\u68c0\u6d4b\u5e76\u6536\u96c6\u9065\u6d4b\u6570\u636e\u4ee5\u8fdb\u884c\u76d1\u63a7\u3002<\/p>\n<p>Otel SDK \u63d0\u4f9b\u4e86\u4e00\u4e2a\u6807\u51c6\u5316\u548c\u53ef\u6269\u5c55\u7684\u6846\u67b6\uff0c\u7528\u4e8e\u5c06 OpenTelemetry \u96c6\u6210\u5230\u5404\u79cd\u7f16\u7a0b\u8bed\u8a00\u548c\u73af\u5883\u4e2d\u3002<\/p>\n<h3>Exporters(\u5bfc\u51fa\u5668)<\/h3>\n<p>OpenTelemetry \u5bfc\u51fa\u5668\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\u3002<\/p>\n<p>OpenTelemetry \u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u5bfc\u51fa\u7a0b\u5e8f\uff0c\u652f\u6301\u5bfc\u51fa\u9065\u6d4b\u6570\u636e\u7684\u4e0d\u540c\u534f\u8bae\u548c\u683c\u5f0f\u3002\u8fd9\u6837\u7684\u5bfc\u51fa\u5668\u5141\u8bb8\u7528\u6237\u5c06 OpenTelemetry \u4e0e\u5176\u9996\u9009\u7684\u76d1\u63a7\u548c\u5206\u6790\u5de5\u5177\u65e0\u7f1d\u96c6\u6210\u3002<\/p>\n<h3>OpenTelemetry \u534f\u8bae<\/h3>\n<p>OpenTelemetry Protocol\uff08OTLP\uff09\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u3001\u4e0e\u4f9b\u5e94\u5546\u65e0\u5173\u7684\u534f\u8bae\uff0c\u7528\u4e8e\u4ece\u8f6f\u4ef6\u7cfb\u7edf\u548c\u5e94\u7528\u7a0b\u5e8f\u6536\u96c6\u3001\u4f20\u8f93\u548c\u5bfc\u51fa\u9065\u6d4b\u6570\u636e\u3002<\/p>\n<p>OTLP \u5b9a\u4e49\u4e86\u5728\u68c0\u6d4b\u5e94\u7528\u7a0b\u5e8f\u548c\u540e\u7aef\u7cfb\u7edf\u4e4b\u95f4\u4ea4\u6362\u7684\u8fde\u63a5\u683c\u5f0f\u548c\u6570\u636e\u7ed3\u6784\u3002\u5b83\u6307\u5b9a\u4e86\u9065\u6d4b\u6570\u636e\u7684\u7f16\u7801\u683c\u5f0f\uff0c\u5305\u62ec\u6307\u6807\u3001\u8ddf\u8e2a\u548c\u65e5\u5fd7\u7684\u6a21\u5f0f\uff0c\u4ee5\u53ca\u5728\u7f51\u7edc\u4e2d\u4f20\u8f93\u8fd9\u4e9b\u6570\u636e\u7684\u89c4\u5219\u3002<\/p>\n<p>OTLP \u5bfc\u51fa\u5668\u5141\u8bb8\u5c06\u6536\u96c6\u7684\u9065\u6d4b\u6570\u636e\u4f20\u8f93\u5230\u540e\u7aef\u8fdb\u884c\u5904\u7406\u548c\u5206\u6790\u3002<\/p>\n<h3>Context Propagation(\u4e0a\u4e0b\u6587\u4f20\u64ad)<\/h3>\n<p>Context propagation \u786e\u4fdd\u76f8\u5173\u7684\u4e0a\u4e0b\u6587\u6570\u636e(\u5982 trace IDs\u3001span IDs \u548c\u5176\u4ed6\u5143\u6570\u636e)\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0d\u540c\u670d\u52a1\u548c\u7ec4\u4ef6\u4e4b\u95f4\u4e00\u81f4\u5730\u4f20\u64ad\u3002<\/p>\n<p>\u901a\u8fc7\u4f20\u64ad\u4e0a\u4e0b\u6587\uff0cOpenTelemetry \u786e\u4fdd\u4ece\u4e0d\u540c\u670d\u52a1\u548c\u7ec4\u4ef6\u6536\u96c6\u7684\u9065\u6d4b\u6570\u636e\u4fdd\u6301\u76f8\u5173\uff0c\u5373\u4f7f\u5728\u5206\u5e03\u5f0f\u548c\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\u4e5f\u662f\u5982\u6b64\u3002\u5b83\u652f\u6301\u7aef\u5230\u7aef\u8ddf\u8e2a\uff0c\u4ece\u800c\u66f4\u5bb9\u6613\u7406\u89e3\u8bf7\u6c42\u6d41\u3001\u6027\u80fd\u74f6\u9888\u548c\u7cfb\u7edf\u4f9d\u8d56\u5173\u7cfb\u3002<\/p>\n<h3>Resource(\u8d44\u6e90)<\/h3>\n<p>Resource \u5c5e\u6027\u662f\u952e\u503c\u5bf9\uff0c\u63d0\u4f9b\u6709\u5173\u88ab\u76d1\u89c6\u5b9e\u4f53(\u5982\u670d\u52a1\u3001\u8fdb\u7a0b\u6216\u5bb9\u5668)\u7684\u5143\u6570\u636e\u3002\u5b83\u4eec\u6709\u52a9\u4e8e\u8bc6\u522b\u8d44\u6e90\uff0c\u5e76\u63d0\u4f9b\u53ef\u7528\u4e8e\u8fc7\u6ee4\u548c\u5206\u7ec4\u9065\u6d4b\u6570\u636e\u7684\u9644\u52a0\u4fe1\u606f\u3002<\/p>\n<p>\u901a\u8fc7\u5728\u9065\u6d4b\u6570\u636e\u4e2d\u5305\u542b\u8d44\u6e90\u4fe1\u606f\uff0cOpenTelemetry \u53ef\u4ee5\u66f4\u597d\u5730\u5206\u6790\u3001\u53ef\u89c6\u5316\u548c\u7406\u89e3\u7cfb\u7edf\u884c\u4e3a\u3002\u5b83\u6709\u52a9\u4e8e\u5173\u8054\u548c\u4e0a\u4e0b\u6587\u5316\u6765\u81ea\u4e0d\u540c\u6765\u6e90\u7684\u9065\u6d4b\u6570\u636e\uff0c\u5e76\u63d0\u4f9b\u89c2\u6d4b\u5230\u7684\u5e94\u7528\u7a0b\u5e8f\u6216\u670d\u52a1\u7684\u66f4\u5168\u9762\u7684\u89c6\u56fe\u3002<\/p>\n<h3>OpenTelemetry Collector(\u6536\u96c6\u5668)<\/h3>\n<p>OpenTelemetry Collector \u901a\u8fc7\u63d0\u4f9b\u7075\u6d3b\u3001\u53ef\u6269\u5c55\u7684\u9065\u6d4b\u6570\u636e\u6536\u96c6\u548c\u5904\u7406\u89e3\u51b3\u65b9\u6848\uff0c\u5728 OpenTelemetry \u751f\u6001\u7cfb\u7edf\u4e2d\u53d1\u6325\u7740\u5173\u952e\u4f5c\u7528\u3002<\/p>\n<ul>\n<li>https:\/\/opentelemetry.io\/docs\/collector\/<\/li>\n<\/ul>\n<p>Otel Collector \u4f5c\u4e3a\u4e00\u4e2a\u96c6\u4e2d\u7684\u4e2d\u4ecb\uff0c\u7b80\u5316\u4e86\u6570\u636e\u6536\u96c6\u7684\u590d\u6742\u6027\uff0c\u5e76\u5b9e\u73b0\u4e86\u4e0e\u4e0d\u540c\u540e\u7aef\u548c\u7cfb\u7edf\u7684\u7075\u6d3b\u96c6\u6210\u3002<\/p>\n<h3>OpenTelemetry \u540e\u7aef<\/h3>\n<p>OpenTelemetry \u4e0d\u5305\u62ec\u7279\u5b9a\u7684\u5185\u7f6e\u540e\u7aef\u6216\u5b58\u50a8\u7cfb\u7edf\u6765\u5904\u7406\u548c\u5206\u6790\u6570\u636e\u3002\u76f8\u53cd\uff0cOpenTelemetry \u63d0\u4f9b\u4e86\u57fa\u4e8e\u60a8\u7684\u7279\u5b9a\u9700\u6c42\u548c\u504f\u597d\u9009\u62e9\u548c\u96c6\u6210\u5404\u79cd\u540e\u7aef\u7cfb\u7edf\u7684\u7075\u6d3b\u6027\u3002<\/p>\n<p>\u540e\u7aef\u7cfb\u7edf\u4ece\u63d2\u5165\u6307\u4ee4\u7684\u5e94\u7528\u7a0b\u5e8f\u6216 OpenTelemetry Collector \u63a5\u6536\u5bfc\u51fa\u7684\u9065\u6d4b\u6570\u636e\u3002\u8fd9\u4e9b\u7cfb\u7edf\u8d1f\u8d23\u5b58\u50a8\u3001\u5206\u6790\u548c\u53ef\u89c6\u5316\u9065\u6d4b\u6570\u636e\u3002<\/p>\n<h2>OpenTelemetry \u5206\u5e03\u5f0f\u8ffd\u8e2a<\/h2>\n<p>\u5206\u5e03\u5f0f\u8ffd\u8e2a\u5141\u8bb8\u60a8\u67e5\u770b\u8bf7\u6c42\u5982\u4f55\u901a\u8fc7\u4e0d\u540c\u7684\u670d\u52a1\u548c\u7cfb\u7edf\u3001\u6bcf\u4e2a\u64cd\u4f5c\u7684\u65f6\u95f4\u3001\u53d1\u751f\u65f6\u7684\u4efb\u4f55\u65e5\u5fd7\u548c\u9519\u8bef\u3002<\/p>\n<p>\u5206\u5e03\u5f0f\u8ffd\u8e2a\u5de5\u5177\u63d0\u4f9b\u5bf9\u7cfb\u7edf\u884c\u4e3a\u7684\u53ef\u89c1\u6027\uff0c\u5e2e\u52a9\u8bc6\u522b\u6027\u80fd\u95ee\u9898\uff0c\u534f\u52a9\u8c03\u8bd5\uff0c\u5e76\u5e2e\u52a9\u786e\u4fdd\u5206\u5e03\u5f0f\u5e94\u7528\u7a0b\u5e8f\u7684\u53ef\u9760\u6027\u548c\u53ef\u4f38\u7f29\u6027\u3002<\/p>\n<p>OpenTelemetry \u8ddf\u8e2a\u5728\u5fae\u670d\u52a1\u67b6\u6784\u7684\u4e0a\u4e0b\u6587\u4e2d\u7279\u522b\u6709\u4ef7\u503c\uff0c\u5728\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u5e94\u7528\u7a0b\u5e8f\u7531\u591a\u4e2a\u72ec\u7acb\u7684\u670d\u52a1\u7ec4\u6210\uff0c\u5171\u540c\u5de5\u4f5c\u4ee5\u6ee1\u8db3\u7528\u6237\u8bf7\u6c42\u3002<\/p>\n<h3>\u8ffd\u8e2a\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/h3>\n<p>\u5728\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u5c24\u5176\u662f\u90a3\u4e9b\u57fa\u4e8e\u5fae\u670d\u52a1\u6216\u65e0\u670d\u52a1\u5668\u67b6\u6784\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u4e0d\u540c\u7684\u670d\u52a1\u7ecf\u5e38\u76f8\u4e92\u4ea4\u4e92\u4ee5\u6ee1\u8db3\u5355\u4e2a\u7528\u6237\u8bf7\u6c42\u3002\u8fd9\u4f7f\u5f97\u8bc6\u522b\u6027\u80fd\u74f6\u9888\u3001\u8bca\u65ad\u95ee\u9898\u548c\u5206\u6790\u6574\u4e2a\u7cfb\u7edf\u884c\u4e3a\u5177\u6709\u6311\u6218\u6027\u3002<\/p>\n<p>\u5206\u5e03\u5f0f\u8ddf\u8e2a\u65e8\u5728\u901a\u8fc7\u521b\u5efa\u8ddf\u8e2a\u6765\u89e3\u51b3\u8fd9\u4e9b\u6311\u6218\uff0c\u8ddf\u8e2a\u662f\u5355\u4e2a\u7528\u6237\u8bf7\u6c42\u901a\u8fc7\u5404\u79cd\u670d\u52a1\u548c\u7ec4\u4ef6\u7684\u8fc7\u7a0b\u7684\u8868\u793a\u3002\u6bcf\u4e2a\u8ddf\u8e2a\u90fd\u7531\u4e00\u7cfb\u5217\u76f8\u4e92\u8fde\u63a5\u7684 span \u7ec4\u6210\uff0c\u5176\u4e2d\u6bcf\u4e2a span \u4ee3\u8868\u7279\u5b9a\u670d\u52a1\u6216\u7ec4\u4ef6\u4e2d\u7684\u5355\u4e2a\u64cd\u4f5c\u6216\u6d3b\u52a8\u3002<\/p>\n<p>\u5f53\u8bf7\u6c42\u8fdb\u5165\u670d\u52a1\u65f6\uff0c\u8ddf\u8e2a\u4e0a\u4e0b\u6587\u5c06\u4e0e\u8bf7\u6c42\u4e00\u8d77\u4f20\u64ad\u3002\u8fd9\u901a\u5e38\u6d89\u53ca\u5230\u5c06\u8ddf\u8e2a\u5934\u6ce8\u5165\u5230\u8bf7\u6c42\u4e2d\uff0c\u5141\u8bb8\u4e0b\u6e38\u670d\u52a1\u53c2\u4e0e\u540c\u4e00\u8ddf\u8e2a\u3002<\/p>\n<p>\u5f53\u8bf7\u6c42\u5728\u7cfb\u7edf\u4e2d\u6d41\u52a8\u65f6\uff0c\u6bcf\u4e2a\u670d\u52a1\u90fd\u4f1a\u751f\u6210\u81ea\u5df1\u7684 span\uff0c\u5e76\u4f7f\u7528\u6709\u5173\u5176\u64cd\u4f5c\u6301\u7eed\u65f6\u95f4\u3001\u5143\u6570\u636e\u548c\u4efb\u4f55\u76f8\u5173\u4e0a\u4e0b\u6587\u7684\u4fe1\u606f\u66f4\u65b0\u8ddf\u8e2a\u4e0a\u4e0b\u6587\u3002<\/p>\n<p style=\"text-align:center\"><span>\u56fe\u7247<\/span><\/p>\n<p>\u5206\u5e03\u5f0f\u8ddf\u8e2a\u5de5\u5177\u4f7f\u7528\u751f\u6210\u7684\u8ddf\u8e2a\u6570\u636e\u6765\u63d0\u4f9b\u5bf9\u7cfb\u7edf\u884c\u4e3a\u7684\u53ef\u89c1\u6027\uff0c\u5e2e\u52a9\u8bc6\u522b\u6027\u80fd\u95ee\u9898\uff0c\u5e2e\u52a9\u8c03\u8bd5\uff0c\u5e76\u5e2e\u52a9\u786e\u4fdd\u5206\u5e03\u5f0f\u5e94\u7528\u7a0b\u5e8f\u7684\u53ef\u9760\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002<\/p>\n<h3>Spans(\u8de8\u5ea6)<\/h3>\n<p>Span \u8868\u793a\u8ddf\u8e2a\u4e2d\u7684\u4e00\u4e2a\u64cd\u4f5c(\u5de5\u4f5c\u5355\u5143)\u3002span \u53ef\u4ee5\u662f\u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528(RPC)\u3001\u6570\u636e\u5e93\u67e5\u8be2\u6216\u8fdb\u7a0b\u5185\u51fd\u6570\u8c03\u7528\u3002\u4e00\u4e2a span \u6709:<\/p>\n<ul>\n<li>span name(\u64cd\u4f5c\u540d\u79f0)\u3002<\/li>\n<li>\u7236 span\u3002<\/li>\n<li>span kind(\u7c7b\u578b)\u3002<\/li>\n<li>\u5f00\u59cb\u548c\u7ed3\u675f\u65f6\u95f4\u3002<\/li>\n<li>\u62a5\u544a\u64cd\u4f5c\u6210\u529f\u6216\u5931\u8d25\u7684 status\u3002<\/li>\n<li>\u63cf\u8ff0\u64cd\u4f5c\u7684\u4e00\u7ec4\u952e\u503c attributes\u3002<\/li>\n<li>events \u7684\u65f6\u95f4\u8f74\u3002<\/li>\n<li>\u6307\u5411\u5176\u5b83 span \u7684\u94fe\u63a5\u5217\u8868\u3002<\/li>\n<li>\u5728\u4e0d\u540c\u670d\u52a1\u4e4b\u95f4\u4f20\u64ad trace ID \u548c\u5176\u4ed6\u6570\u636e\u7684 span context\u3002<\/li>\n<\/ul>\n<p>trace \u662f\u4e00\u4e2a span \u6811\uff0c\u5b83\u663e\u793a\u4e86\u8bf7\u6c42\u901a\u8fc7\u5e94\u7528\u7a0b\u5e8f\u6240\u4ea7\u751f\u7684\u8def\u5f84\u3002root span \u662f\u8ddf\u8e2a\u4e2d\u7684\u7b2c\u4e00\u4e2a span\u3002<\/p>\n<p style=\"text-align:center\"><span>\u56fe\u7247<\/span><\/p>\n<h3>Span \u540d\u79f0<\/h3>\n<p>OpenTelemetry \u540e\u7aef\u4f7f\u7528 span \u540d\u79f0\u548c\u4e00\u4e9b\u5c5e\u6027\u5c06\u76f8\u4f3c\u7684 span \u7ec4\u5408\u5728\u4e00\u8d77\u3002\u8981\u6b63\u786e\u5730\u5bf9 span \u8fdb\u884c\u5206\u7ec4\uff0c\u8bf7\u7ed9\u5b83\u4eec\u8d77\u7b80\u77ed\u800c\u7b80\u6d01\u7684\u540d\u5b57\u3002\u552f\u4e00\u7684 span \u540d\u79f0\u7684\u603b\u6570\u5e94\u5c0f\u4e8e 1000\u3002\u5426\u5219\uff0c\u60a8\u5c06\u6709\u592a\u591a\u7684 span \u7ec4\uff0c\u60a8\u7684\u4f53\u9a8c\u53ef\u80fd\u4f1a\u53d7\u5230\u5f71\u54cd\u3002<\/p>\n<p>\u4e0b\u9762\u7684\u540d\u5b57\u5f88\u597d\uff0c\u56e0\u4e3a\u5b83\u4eec\u7b80\u77ed\u3001\u72ec\u7279\uff0c\u5e76\u4e14\u6709\u52a9\u4e8e\u5c06\u76f8\u4f3c\u7684 span \u5206\u7ec4\u5728\u4e00\u8d77:<\/p>\n<table style=\"text-align: justify;width: 100%;border-collapse: collapse\">\n<tbody>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Span name<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Comment<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p><code>GET \/projects\/:id<\/code><\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Good\u3002\u5e26\u6709\u53c2\u6570\u540d\u7684\u8def\u7531\u540d\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p><code>select_project<\/code><\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Good\u3002\u4e0d\u5e26\u53c2\u6570\u7684\u51fd\u6570\u540d\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p><code>SELECT * FROM projects WHERE id = ?<\/code><\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Good\u3002\u5e26\u6709\u5360\u4f4d\u7b26\u7684\u6570\u636e\u5e93\u67e5\u8be2\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4ee5\u4e0b\u540d\u79f0\u4e0d\u6b63\u786e\uff0c\u56e0\u4e3a\u5b83\u4eec\u5305\u542b\u53d8\u91cf params \u548c args\uff1a<\/p>\n<table style=\"text-align: justify;width: 100%;border-collapse: collapse\">\n<tbody>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Span name<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Comment<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p><code>GET \/projects\/42<\/code><\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Bad\u3002\u5305\u542b\u4e00\u4e2a\u53d8\u91cf\u53c2\u6570&nbsp;<code>42<\/code>\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p><code>select_project(42)<\/code><\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Bad\u3002\u5305\u542b\u53d8\u91cf&nbsp;<code>42<\/code>\u3002<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p><code>SELECT * FROM projects WHERE id = 42<\/code><\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Bad\u3002\u5305\u542b\u4e00\u4e2a\u53d8\u91cf arg&nbsp;<code>42<\/code>\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Span \u7c7b\u578b<\/h3>\n<p>Span kind \u5fc5\u987b\u662f\u4ee5\u4e0b\u503c\u4e4b\u4e00:<\/p>\n<ul>\n<li>server&nbsp;\u7528\u4e8e\u670d\u52a1\u5668\u64cd\u4f5c\uff0c\u4f8b\u5982 HTTP \u670d\u52a1\u5668\u5904\u7406\u7a0b\u5e8f\u3002<\/li>\n<li>client&nbsp;\u7528\u4e8e\u5ba2\u6237\u7aef\u64cd\u4f5c\uff0c\u4f8b\u5982 HTTP \u5ba2\u6237\u7aef\u8bf7\u6c42\u3002<\/li>\n<li>producer&nbsp;\u5bf9\u4e8e\u6d88\u606f\u751f\u4ea7\u8005\uff0c\u4f8b\u5982 Kafka producer\u3002<\/li>\n<li>consumer&nbsp;\u4e00\u822c\u7528\u4e8e\u6d88\u606f\u6d88\u8d39\u8005\u548c\u5f02\u6b65\u5904\u7406\uff0c\u4f8b\u5982 Kafka consumer\u3002<\/li>\n<li>internal&nbsp;\u7528\u4e8e\u5185\u90e8\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h3>Status code(\u72b6\u6001\u7801)<\/h3>\n<p>\u72b6\u6001\u7801\u8868\u793a\u64cd\u4f5c\u6210\u529f\u6216\u5931\u8d25\u3002\u5fc5\u987b\u662f\u4ee5\u4e0b\u503c\u4e4b\u4e00:<\/p>\n<ul>\n<li>ok&nbsp;- \u6210\u529f\u3002<\/li>\n<li>error&nbsp;- \u5931\u8d25\u3002<\/li>\n<li>unset&nbsp;- \u5141\u8bb8\u540e\u7aef\u5206\u914d\u72b6\u6001\u7684\u9ed8\u8ba4\u503c\u3002<\/li>\n<\/ul>\n<h3>Attributes(\u5c5e\u6027)<\/h3>\n<p>\u8981\u8bb0\u5f55\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u7528\u5e26\u6709\u7279\u5b9a\u4e8e\u64cd\u4f5c\u7684\u4fe1\u606f\u7684\u5c5e\u6027\u5bf9 span \u8fdb\u884c\u6ce8\u91ca\u3002\u4f8b\u5982\uff0cHTTP \u7aef\u70b9\u53ef\u80fd\u5177\u6709&nbsp;http.method = GET&nbsp;\u4e0e&nbsp;http.route = \/projects\/:id\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u968f\u610f\u547d\u540d\u5c5e\u6027\uff0c\u4f46\u5bf9\u4e8e\u5e38\u89c1\u64cd\u4f5c\uff0c\u60a8\u5e94\u8be5\u4f7f\u7528 semantic attributes \u7ea6\u5b9a\u3002\u5b83\u5b9a\u4e49\u4e86\u4e00\u4e2a\u516c\u5171\u5c5e\u6027\u952e\u5217\u8868\uff0c\u5176\u4e2d\u5305\u542b\u5b83\u4eec\u7684\u542b\u4e49\u548c\u53ef\u80fd\u7684\u503c\u3002<\/p>\n<h3>Events(\u4e8b\u4ef6)<\/h3>\n<p>\u60a8\u8fd8\u53ef\u4ee5\u7528\u5177\u6709\u5f00\u59cb\u65f6\u95f4\u548c\u4efb\u610f\u6570\u91cf\u5c5e\u6027\u7684\u4e8b\u4ef6\u6ce8\u91ca span \u3002\u4e8b\u4ef6\u548c span \u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u4e8b\u4ef6\u6ca1\u6709\u7ed3\u675f\u65f6\u95f4(\u56e0\u6b64\u6ca1\u6709\u6301\u7eed\u65f6\u95f4)\u3002<\/p>\n<p>\u4e8b\u4ef6\u901a\u5e38\u8868\u793a\u5f02\u5e38\u3001\u9519\u8bef\u3001\u65e5\u5fd7\u548c\u6d88\u606f(\u4f8b\u5982\u5728 RPC \u4e2d)\uff0c\u4f46\u662f\u60a8\u4e5f\u53ef\u4ee5\u521b\u5efa\u81ea\u5b9a\u4e49\u4e8b\u4ef6\u3002<\/p>\n<h3>Context(\u4e0a\u4e0b\u6587)<\/h3>\n<p>\u5f53 Span context \u901a\u8fc7\u4e0d\u540c\u7684\u7ec4\u4ef6\u548c\u670d\u52a1\u4f20\u64ad\u65f6\uff0c\u5b83\u643a\u5e26\u6709\u5173\u8be5 span \u7684\u4fe1\u606f\u3002<\/p>\n<p>Trace\/span context \u662f\u4e00\u4e2a\u8bf7\u6c42\u8303\u56f4\u7684\u6570\u636e\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>Trace ID. \u8868\u793a\u6574\u4e2a trace \u6216 query \u7684\u5168\u5c40\u552f\u4e00\u6807\u8bc6\u7b26\u3002trace \u4e2d\u7684\u6240\u6709 span \u90fd\u5177\u6709\u76f8\u540c\u7684 trace ID\u3002<\/li>\n<li>Span ID. trace \u4e2d\u7279\u5b9a span \u7684\u552f\u4e00\u6807\u8bc6\u7b26\u3002trace \u4e2d\u7684\u6bcf\u4e2a span \u90fd\u6709\u4e0d\u540c\u7684 span ID\u3002<\/li>\n<li>Trace flags. \u6307\u793a trace \u7684\u5404\u79cd\u5c5e\u6027\u7684 flag\uff0c\u4f8b\u5982\u662f\u5426\u5bf9\u5176\u8fdb\u884c\u4e86\u91c7\u6837\u3002\u91c7\u6837\u662f\u6307\u786e\u5b9a\u5e94\u8bb0\u5f55\u54ea\u4e9b span \u5e76\u5c06\u5176\u62a5\u544a\u7ed9\u53ef\u89c2\u6d4b\u6027\u540e\u7aef\u7684\u8fc7\u7a0b\u3002<\/li>\n<li>Trace State. \u4e00\u4e2a\u53ef\u9009\u5b57\u6bb5\uff0c\u5305\u542b\u4e0e trace \u76f8\u5173\u7684\u5176\u4ed6\u4f9b\u5e94\u5546\u6216\u5e94\u7528\u7a0b\u5e8f\u7279\u5b9a\u6570\u636e\u3002<\/li>\n<\/ul>\n<p>Span context \u5bf9\u4e8e\u4fdd\u6301\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d span \u7684\u8fde\u7eed\u6027\u548c\u76f8\u5173\u6027\u975e\u5e38\u91cd\u8981\u3002\u5b83\u5141\u8bb8\u4e0d\u540c\u7684\u670d\u52a1\u548c\u7ec4\u4ef6\u5c06\u5176 span \u4e0e\u6b63\u786e\u7684\u8ddf\u8e2a\u76f8\u5173\u8054\uff0c\u5e76\u63d0\u4f9b\u5bf9\u8bf7\u6c42\u6216\u4e8b\u52a1\u6d41\u7684\u7aef\u5230\u7aef\u53ef\u89c1\u6027\u3002<\/p>\n<p>Span context \u901a\u5e38\u4f7f\u7528\u670d\u52a1\u4e4b\u95f4\u901a\u4fe1\u534f\u8bae\u7684\u6807\u5934\u6216\u5143\u6570\u636e\u8fdb\u884c\u4f20\u64ad\uff0c\u7c7b\u4f3c\u4e8e baggage \u6570\u636e\u7684\u4f20\u64ad\u65b9\u5f0f\u3002\u8fd9\u786e\u4fdd\u4e86\u5f53\u670d\u52a1\u63a5\u6536\u5230\u8bf7\u6c42\u65f6\uff0c\u5b83\u53ef\u4ee5\u63d0\u53d6 span context\uff0c\u5e76\u5c06\u4f20\u5165\u7684 span \u4e0e\u6b63\u786e\u7684 trace \u76f8\u5173\u8054\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e0a\u4e0b\u6587\u4e2d\u7684\u6570\u636e\u8fdb\u884c span \u76f8\u5173\u6027\u6216\u91c7\u6837\uff0c\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 trace id \u6765\u77e5\u9053\u54ea\u4e9b span \u5c5e\u4e8e\u54ea\u4e9b trace\u3002<\/p>\n<h3>Context propagation(\u4e0a\u4e0b\u6587\u4f20\u64ad)<\/h3>\n<p>\u4e0a\u4e0b\u6587\u4f20\u64ad\u786e\u4fdd\u76f8\u5173\u7684\u4e0a\u4e0b\u6587\u6570\u636e\uff0c\u5982 trace ID\u3001span ID \u548c\u5176\u4ed6\u5143\u6570\u636e\uff0c\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0d\u540c\u670d\u52a1\u548c\u7ec4\u4ef6\u4e4b\u95f4\u4e00\u81f4\u5730\u4f20\u64ad\u3002<\/p>\n<p>OpenTemetry \u5728\u8fdb\u7a0b\u5185\u7684\u51fd\u6570\u4e4b\u95f4\u4f20\u64ad\u4e0a\u4e0b\u6587(\u8fdb\u7a0b\u5185\u4f20\u64ad)\uff0c\u751a\u81f3\u4ece\u4e00\u4e2a\u670d\u52a1\u4f20\u64ad\u5230\u53e6\u4e00\u4e2a\u670d\u52a1(\u5206\u5e03\u5f0f\u4f20\u64ad)\u3002<\/p>\n<p>\u8fdb\u7a0b\u5185\u4f20\u64ad\u53ef\u4ee5\u662f\u9690\u5f0f\u7684\uff0c\u4e5f\u53ef\u4ee5\u662f\u663e\u5f0f\u7684\uff0c\u8fd9\u53d6\u51b3\u4e8e\u6240\u4f7f\u7528\u7684\u7f16\u7a0b\u8bed\u8a00\u3002\u9690\u5f0f\u4f20\u64ad\u901a\u8fc7\u5c06\u6d3b\u52a8\u4e0a\u4e0b\u6587\u5b58\u50a8\u5728\u7ebf\u7a0b\u5c40\u90e8\u53d8\u91cf(Java, Python, Ruby, NodeJS)\u4e2d\u81ea\u52a8\u5b8c\u6210\u3002\u663e\u5f0f\u4f20\u64ad\u9700\u8981\u663e\u5f0f\u5730\u5c06\u6d3b\u52a8\u4e0a\u4e0b\u6587\u4f5c\u4e3a\u53c2\u6570\u4ece\u4e00\u4e2a\u51fd\u6570\u4f20\u9012\u5230\u53e6\u4e00\u4e2a\u51fd\u6570(Go)\u3002<\/p>\n<p>\u5bf9\u4e8e\u5206\u5e03\u5f0f\u4e0a\u4e0b\u6587\u4f20\u64ad\uff0cOpenTelemetry \u652f\u6301\u51e0\u79cd\u534f\u8bae\uff0c\u8fd9\u4e9b\u534f\u8bae\u5b9a\u4e49\u4e86\u5982\u4f55\u5e8f\u5217\u5316\u548c\u4f20\u9012\u4e0a\u4e0b\u6587\u6570\u636e:<\/p>\n<ul>\n<li>W3C trace context&nbsp;\u5728&nbsp;traceparent&nbsp;header \u4e2d, \u4f8b\u5982,&nbsp;traceparent=00-84b54e9330faae5350f0dd8673c98146-279fa73bc935cc05-01\u3002<\/li>\n<\/ul>\n<p style=\"text-indent: 2em\">https:\/\/www.w3.org\/TR\/trace-context\/<\/p>\n<ul>\n<li>B3 Zipkin&nbsp;\u5728\u4ee5&nbsp;x-b3-&nbsp;\u5f00\u59cb\u7684 header \u4e2d, \u4f8b\u5982,&nbsp;X-B3-TraceId\u3002<\/li>\n<li>https:\/\/github.com\/openzipkin\/b3-propagation<\/li>\n<\/ul>\n<p>W3C trace context \u662f\u9ed8\u8ba4\u542f\u7528\u7684\u63a8\u8350\u4f20\u64ad\u5668\u3002<\/p>\n<h3>Baggage(\u884c\u674e)<\/h3>\n<p>Baggage \u7684\u5de5\u4f5c\u539f\u7406\u7c7b\u4f3c\u4e8e span context\uff0c\u5141\u8bb8\u60a8\u5c06\u81ea\u5b9a\u4e49 key:value \u5bf9(\u5c5e\u6027)\u4ece\u4e00\u4e2a\u670d\u52a1\u4f20\u64ad\u5230\u53e6\u4e00\u4e2a\u670d\u52a1\u3002\u5728 gRPC \u4e16\u754c\u4e2d\uff0c\u6709\u4e00\u4e2a\u7c7b\u4f3c\u7684\u6982\u5ff5\u53eb\u505a gRPC metadata\u3002<\/p>\n<ul>\n<li>https:\/\/github.com\/open-telemetry\/opentelemetry-specification\/blob\/main\/specification\/baggage\/api.md<\/li>\n<\/ul>\n<p>Baggage \u5141\u8bb8\u60a8\u5c06\u952e\u503c\u5bf9\u4e0e\u8bf7\u6c42\u6216\u4e8b\u52a1\u5173\u8054\u8d77\u6765\u3002\u8fd9\u4e9b\u952e\u503c\u5bf9\u8868\u793a\u53ef\u80fd\u4e0e\u8bf7\u6c42\u6216\u4e8b\u52a1\u5904\u7406\u76f8\u5173\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u4f8b\u5982 user ID\u3001session ID \u6216\u5176\u4ed6\u7279\u5b9a\u4e8e\u5e94\u7528\u7a0b\u5e8f\u7684\u5143\u6570\u636e\u3002<\/p>\n<p>Baggage \u6709\u52a9\u4e8e\u7ef4\u62a4\u548c\u5173\u8054\u8de8\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u4ece\u800c\u5b9e\u73b0\u5bf9\u5e94\u7528\u7a0b\u5e8f\u884c\u4e3a\u7684\u66f4\u597d\u7684\u53ef\u89c2\u6d4b\u6027\u548c\u5206\u6790\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u6807\u51c6\u5316\u7684\u65b9\u5f0f\u6765\u5728\u6574\u4e2a\u7cfb\u7edf\u4e2d\u4f20\u9012\u76f8\u5173\u6570\u636e\uff0c\u800c\u4e0d\u4f9d\u8d56\u4e8e\u7279\u522b\u7684\u673a\u5236\u6216\u624b\u52a8\u68c0\u6d4b\u3002<\/p>\n<h3>\u4ec0\u4e48\u65f6\u5019\u4f18\u5148\u53bb Instrumentation<\/h3>\n<p>Instrumentation \u5b98\u65b9\u8be6\u7ec6\u6587\u6863<\/p>\n<ul>\n<li>https:\/\/opentelemetry.io\/docs\/instrumentation\/<\/li>\n<\/ul>\n<p>\u60a8\u4e0d\u9700\u8981\u8bb0\u5f55\u6bcf\u4e2a\u64cd\u4f5c\u6765\u5145\u5206\u5229\u7528\u8ddf\u8e2a\u3002\u8fd9\u53ef\u80fd\u4f1a\u82b1\u8d39\u5f88\u591a\u65f6\u95f4\uff0c\u800c\u4e14\u901a\u5e38\u662f\u4e0d\u5fc5\u8981\u7684\u3002\u4f18\u5148\u8003\u8651\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n<ul>\n<li>Network \u64cd\u4f5c, \u4f8b\u5982\uff0cHTTP \u8bf7\u6c42\u6216 RPC \u8c03\u7528\u3002<\/li>\n<li>Filesystem \u64cd\u4f5c, \u4f8b\u5982\uff0c\u8bfb\/\u5199\u6587\u4ef6\u3002<\/li>\n<li>Database \u67e5\u8be2\uff0c\u5b83\u7ed3\u5408\u4e86\u7f51\u7edc\u4e0e\u6587\u4ef6\u7cfb\u7edf\u64cd\u4f5c\u3002<\/li>\n<li>Errors and logs\uff0c\u4f8b\u5982\uff0c\u4f7f\u7528\u7ed3\u6784\u5316\u65e5\u5fd7\u3002<\/li>\n<\/ul>\n<h2>OpenTelemetry Metrics(\u6307\u6807)<\/h2>\n<p>OpenTelemetry Metrics \u662f\u4e00\u4e2a\u5173\u4e8e\u5982\u4f55\u6536\u96c6\u3001\u805a\u5408\u548c\u53d1\u9001\u6307\u6807\u5230 OpenTelemetry APM \u5de5\u5177(\u5982 Uptrace \u6216 Prometheus )\u7684\u6807\u51c6\u3002<\/p>\n<p>\u5728\u5b9a\u4e49\u65b0\u6807\u51c6\u7684\u540c\u65f6\uff0cOpenTelemetry \u8fd8\u81f4\u529b\u4e8e\u4e0e\u73b0\u6709\u7684\u6307\u6807\u5de5\u5177\u534f\u8bae(\u5982 Prometheus \u548c Statsd)\u4e00\u8d77\u5de5\u4f5c\u3002\u6b64\u5916\uff0cOpenTelemetry Collector \u751a\u81f3\u652f\u6301\u66f4\u591a\u7684\u534f\u8bae\uff0c\u5982 AWS Metrics\u3001InfluxDB\u3001Chrony \u7b49\u3002<\/p>\n<p>OpenTelemetry \u8fd8\u5141\u8bb8\u60a8\u901a\u8fc7\u793a\u4f8b\u5173\u8054\u6307\u6807\u548c\u8ddf\u8e2a\uff0c\u8fd9\u4e9b\u793a\u4f8b\u5e94\u8be5\u5411\u60a8\u5c55\u793a\u7cfb\u7edf\u72b6\u6001\u7684\u66f4\u5e7f\u6cdb\u7684\u56fe\u50cf\u3002<\/p>\n<h3>\u4ec0\u4e48\u662f\u6307\u6807?<\/h3>\n<p>\u6307\u6807\u662f\u8868\u793a\u7cfb\u7edf\u8fd0\u884c\u72b6\u51b5\u548c\u6027\u80fd\u7684\u6570\u503c\u6570\u636e\u70b9\uff0c\u4f8b\u5982 CPU \u5229\u7528\u7387\u3001\u7f51\u7edc\u6d41\u91cf\u548c\u6570\u636e\u5e93\u8fde\u63a5\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u6307\u6807\u6765\u5ea6\u91cf\u3001\u76d1\u89c6\u548c\u6bd4\u8f83\u6027\u80fd\uff0c\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u5ea6\u91cf\u670d\u52a1\u5668\u54cd\u5e94\u65f6\u95f4\u3001\u5185\u5b58\u5229\u7528\u7387\u3001\u9519\u8bef\u7387\u7b49\u7b49\u3002<\/p>\n<h3>Instruments<\/h3>\n<p>instrument \u662f\u4e00\u79cd\u7279\u5b9a\u7c7b\u578b\u7684\u6307\u6807(\u4f8b\u5982\uff0ccounter, gauge, histogram)\uff0c\u7528\u4e8e\u6536\u96c6\u5173\u4e8e\u5e94\u7528\u7a0b\u5e8f\u884c\u4e3a\u7684\u7279\u5b9a\u65b9\u9762\u7684\u6570\u636e\u3002<\/p>\n<p>\u60a8\u901a\u8fc7\u521b\u5efa\u5177\u6709\u4ee5\u4e0b\u529f\u80fd\u7684 instrument \u6765\u6355\u83b7\u6d4b\u91cf\u7ed3\u679c:<\/p>\n<ul>\n<li>\u552f\u4e00\u7684\u540d\u79f0\uff0c\u4f8b\u5982&nbsp;http.server.duration\u3002<\/li>\n<li>\u4e00\u79cd instrument \u7c7b\u578b\uff0c\u4f8b\u5982&nbsp;Histogram\u3002<\/li>\n<li>\u4e00\u4e2a\u53ef\u9009\u7684\u6307\u6807\u5355\u4f4d\uff0c\u4f8b\u5982&nbsp;milliseconds&nbsp;\u6216&nbsp;bytes\u3002<\/li>\n<li>\u53ef\u9009\u63cf\u8ff0\u3002<\/li>\n<\/ul>\n<h4>Timeseries(\u65f6\u95f4\u5e8f\u5217)<\/h4>\n<p>\u4e00\u4e2a instrument \u53ef\u4ee5\u751f\u6210\u591a\u4e2a\u65f6\u95f4\u5e8f\u5217\u3002\u65f6\u95f4\u5e8f\u5217\u662f\u4e00\u4e2a\u5177\u6709\u552f\u4e00\u5c5e\u6027\u96c6\u7684\u6307\u6807\uff0c\u4f8b\u5982\uff0c\u5bf9\u4e8e\u76f8\u540c\u7684\u6307\u6807\u540d\u79f0\uff0c\u6bcf\u4e2a\u4e3b\u673a\u90fd\u6709\u4e00\u4e2a\u5355\u72ec\u7684\u65f6\u95f4\u5e8f\u5217\u3002<\/p>\n<h4>Additive(\u53ef\u52a0) instruments<\/h4>\n<p>Additive \u6216 summable instruments \u4ea7\u751f\u7684\u65f6\u95f4\u5e8f\u5217\uff0c\u5f53\u52a0\u5728\u4e00\u8d77\u65f6\uff0c\u4ea7\u751f\u53e6\u4e00\u4e2a\u6709\u610f\u4e49\u548c\u51c6\u786e\u7684\u65f6\u95f4\u5e8f\u5217\u3002\u6d4b\u91cf non-decreasing \u6570\u7684 Additive instruments \u4e5f\u79f0\u4e3a monotonic(\u5355\u8c03\u7684)\u3002<\/p>\n<p>\u4f8b\u5982\uff0chttp.server.requests&nbsp;\u662f\u4e00\u4e2a additive \u65f6\u95f4\u5e8f\u5217\uff0c\u56e0\u4e3a\u60a8\u53ef\u4ee5\u5c06\u6765\u81ea\u4e0d\u540c\u4e3b\u673a\u7684\u8bf7\u6c42\u6570\u76f8\u52a0\uff0c\u4ee5\u83b7\u5f97\u8bf7\u6c42\u603b\u6570\u3002<\/p>\n<p>\u4f46\u662f\uff0csystem.memory.utilization(\u767e\u5206\u6bd4) \u4e0d\u662f\u76f8\u52a0\u7684\uff0c\u56e0\u4e3a\u6765\u81ea\u4e0d\u540c\u4e3b\u673a\u7684\u5185\u5b58\u5229\u7528\u7387\u4e4b\u548c\u6ca1\u6709\u610f\u4e49(90% + 90% = 180%)\u3002<\/p>\n<h4>Synchronous(\u540c\u6b65) instruments<\/h4>\n<p>Synchronous instruments \u4e0e\u5b83\u4eec\u6b63\u5728\u6d4b\u91cf\u7684\u64cd\u4f5c\u4e00\u8d77\u88ab\u8c03\u7528\u3002\u4f8b\u5982\uff0c\u4e3a\u4e86\u6d4b\u91cf\u8bf7\u6c42\u7684\u6570\u91cf\uff0c\u53ea\u8981\u6709\u65b0\u7684\u8bf7\u6c42\uff0c\u5c31\u53ef\u4ee5\u8c03\u7528&nbsp;counter.Add(ctx, 1)\u3002\u540c\u6b65\u6d4b\u91cf\u53ef\u4ee5\u5177\u6709\u5173\u8054\u7684&nbsp;trace context\u3002<\/p>\n<p>\u5bf9\u4e8e synchronous instruments\uff0cadditive \u548c grouping instruments \u4e4b\u95f4\u7684\u533a\u522b\u5728\u4e8e additive instruments \u4ea7\u751f summable \u65f6\u95f4\u5e8f\u5217\uff0cgrouping instruments \u4ea7\u751f histogram\u3002<\/p>\n<table style=\"text-align: justify;width: 100%;border-collapse: collapse\">\n<tbody>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Instrument<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Properties<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Aggregation<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Example<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Counter<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>\u5355\u8c03\u7684<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>sum -&gt; delta<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>\u8bf7\u6c42\u6570\uff0c\u8bf7\u6c42\u5927\u5c0f<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>UpDownCounter<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>\u53ef\u52a0\u7684<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>last value -&gt; sum<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>\u8fde\u63a5\u6570<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Histogram<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>\u53ef\u5206\u7ec4\u7684<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>histogram<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>\u8bf7\u6c42\u6301\u7eed\u65f6\u95f4\u3001\u8bf7\u6c42\u5927\u5c0f<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>Asynchronous(\u5f02\u6b65) instruments<\/h4>\n<p>Asynchronous instruments \u5b9a\u671f\u8c03\u7528\u56de\u8c03\u51fd\u6570\u6765\u6536\u96c6\u6d4b\u91cf\u503c\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u89c2\u5bdf\u5668\u5b9a\u671f\u6d4b\u91cf\u5185\u5b58\u6216 CPU \u7684\u4f7f\u7528\u60c5\u51b5\u3002Asynchronous \u6d4b\u91cf\u4e0d\u80fd\u5177\u6709\u5173\u8054\u7684 trace context\u3002<\/p>\n<p>\u5728&nbsp;UpDownCounterObserver&nbsp;(additive) \u548c&nbsp;GaugeObserver&nbsp;(grouping)\u4e4b\u95f4\u8fdb\u884c\u9009\u62e9\u65f6\uff0c \u5bf9\u4e8e summable \u65f6\u95f4\u5e8f\u5217\uff0c\u8bf7\u9009\u62e9&nbsp;UpDownCounterObserver\uff0c\u5426\u5219\uff0c\u8bf7\u9009\u62e9&nbsp;GaugeObserver\u3002\u4f8b\u5982\uff0c\u8981\u6d4b\u91cf&nbsp;system.memory.usage&nbsp;(bytes)\uff0c\u5e94\u4f7f\u7528&nbsp;UpDownCounterObserver\u3002\u4f46\u8981\u6d4b\u91cf&nbsp;system.memory.utilization\uff08\u767e\u5206\u6bd4\uff09\uff0c\u60a8\u5e94\u8be5\u4f7f\u7528&nbsp;GaugeObserver\u3002<\/p>\n<table style=\"text-align: justify;width: 100%;border-collapse: collapse\">\n<tbody>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Instrument Name<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Properties<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Aggregation<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Example<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>CounterObserver<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>\u5355\u8c03\u7684<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>sum -&gt; delta<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>CPU time<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>UpDownCounterObserver<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>\u53ef\u52a0\u7684<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>last value -&gt; sum<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Memory usage (bytes)<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>GaugeObserver<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>\u53ef\u5206\u7ec4\u7684<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>last value -&gt; none\/avg<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Memory utilization (%)<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u9009\u62e9 instruments<\/h3>\n<ol>\n<li>\u5982\u679c\u60a8\u9700\u8981\u76f4\u65b9\u56fe\u3001\u70ed\u56fe\u6216\u767e\u5206\u4f4d\u6570\uff0c\u8bf7\u4f7f\u7528&nbsp;Histogram\u3002<\/li>\n<li>\u5982\u679c\u60a8\u60f3\u901a\u8fc7\u8bb0\u5f55\u589e\u91cf\u503c\u6765\u8ba1\u6570\uff1a<\/li>\n<\/ol>\n<p style=\"text-indent: 2em\">\u5982\u679c\u8be5\u503c\u662f monotonic \u7684\uff0c\u8bf7\u4f7f\u7528&nbsp;Counter\u3002<\/p>\n<p style=\"text-indent: 2em\">\u5426\u5219\uff0c\u4f7f\u7528&nbsp;UpDownCounter\u3002<\/p>\n<ol>\n<li>\u5982\u679c\u4f60\u60f3\u901a\u8fc7\u8bb0\u5f55\u4e00\u4e2a\u7edd\u5bf9\u503c\u6765\u6d4b\u91cf\u67d0\u4e2a\u4e1c\u897f\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\u5982\u679c\u8be5\u503c\u662f monotonic \u7684\uff0c\u8bf7\u4f7f\u7528&nbsp;CounterObserver\u3002<\/li>\n<li>\u5426\u5219\uff0c\u8bf7\u4f7f\u7528&nbsp;UpDownCounterObserver\u3002<\/li>\n<li>\u5982\u679c\u8be5\u503c\u662f additive\/summable \u7684\uff1a<\/li>\n<li>\u5982\u679c\u8be5\u503c\u4e0d additive\/summable\uff0c\u8bf7\u4f7f\u7528&nbsp;GaugeObserver\u3002<\/li>\n<\/ul>\n<h4>Counter<\/h4>\n<p>synchronous&nbsp;monotonic<\/p>\n<p>Counter&nbsp;\u662f\u4e00\u79cd\u540c\u6b65 instrument\uff0c\u7528\u4e8e\u6d4b\u91cf\u76f8\u52a0\u7684\u975e\u9012\u51cf\u503c\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>processed requests<\/li>\n<li>errors<\/li>\n<li>received bytes<\/li>\n<li>disk reads<\/li>\n<\/ul>\n<p>Counters \u7528\u4e8e\u6d4b\u91cf\u4e00\u4e2a\u4e8b\u4ef6\u7684\u53d1\u751f\u6b21\u6570\u6216\u4e00\u4e2a\u503c\u968f\u65f6\u95f4\u7684\u7d2f\u79ef\u3002\u5b83\u4eec\u53ea\u80fd\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u800c\u589e\u52a0\u3002<\/p>\n<p>\u5bf9\u4e8e&nbsp;Counter&nbsp;\u65f6\u95f4\u5e8f\u5217\uff0c\u540e\u7aef\u901a\u5e38\u8ba1\u7b97\u589e\u91cf\u5e76\u663e\u793a\u901f\u7387\u503c\uff0c\u4f8b\u5982\uff0cper_min(http.server.requests)&nbsp;\u8fd4\u56de\u6bcf\u5206\u949f\u5904\u7406\u7684\u8bf7\u6c42\u6570\u3002<\/p>\n<h4>CounterObserver<\/h4>\n<p>asynchronous&nbsp;monotonic<\/p>\n<p>CounterObserver \u662f&nbsp;Counter&nbsp;instrument \u7684\u5f02\u6b65\u7248\u672c\u3002<\/p>\n<h4>UpDownCounter<\/h4>\n<p>synchronous&nbsp;additive<\/p>\n<p>UpDownCounter&nbsp;\u662f\u4e00\u79cd\u540c\u6b65 instrument\uff0c\u7528\u4e8e\u6d4b\u91cf\u53ef\u968f\u65f6\u95f4\u589e\u52a0\u6216\u51cf\u5c11\u7684\u9644\u52a0\u503c\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>active requests<\/li>\n<li>open connections<\/li>\n<li>memory in use (megabytes)<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u52a0\u6cd5\u975e\u9012\u51cf(non-decreasing)\u503c\uff0c\u5e94\u4f7f\u7528 Counter \u6216 CounterObserver\u3002<\/p>\n<p>\u5bf9\u4e8e&nbsp;UpDownCounter&nbsp;\u65f6\u95f4\u5e8f\u5217\uff0c\u540e\u7aef\u901a\u5e38\u663e\u793a\u6700\u540e\u4e00\u4e2a\u503c\uff0c\u4f46\u4e0d\u540c\u7684\u65f6\u95f4\u5e8f\u5217\u53ef\u4ee5\u52a0\u5728\u4e00\u8d77\uff0c \u4f8b\u5982\uff0cgo.sql.connections_open&nbsp;\u8fd4\u56de\u6253\u5f00\u7684\u8fde\u63a5\u603b\u6570\uff0c&nbsp;go.sql.connections_open{service.name = myservice}&nbsp;\u8fd4\u56de\u4e00\u4e2a\u670d\u52a1\u7684\u6253\u5f00\u8fde\u63a5\u6570\u3002<\/p>\n<h4>UpDownCounterObserver<\/h4>\n<p>asynchronous&nbsp;additive<\/p>\n<p>UpDownCounterOserver&nbsp;\u662f UpDownCounter instrument \u7684\u5f02\u6b65\u7248\u672c\u3002<\/p>\n<h4>Histogram<\/h4>\n<p>synchronous&nbsp;grouping<\/p>\n<p>\u76f4\u65b9\u56fe\u662f\u4e00\u79cd\u540c\u6b65 instrument\uff0c\u5b83\u6839\u636e\u8bb0\u5f55\u7684\u503c\u751f\u6210\u76f4\u65b9\u56fe\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>request latency<\/li>\n<li>request size<\/li>\n<\/ul>\n<p>\u76f4\u65b9\u56fe\u7528\u4e8e\u6d4b\u91cf\u503c\u968f\u65f6\u95f4\u7684\u5206\u5e03\u3002\u5bf9\u4e8e\u76f4\u65b9\u56fe\u65f6\u95f4\u5e8f\u5217\uff0c\u540e\u7aef\u901a\u5e38\u663e\u793a\u767e\u5206\u4f4d\u6570\u3001\u70ed\u56fe\u548c\u76f4\u65b9\u56fe\u3002<\/p>\n<h4>GaugeObserver<\/h4>\n<p>asynchronous&nbsp;grouping<\/p>\n<p>GaugeObserver&nbsp;\u662f\u4e00\u79cd\u5f02\u6b65&nbsp;instrument\uff0c\u7528\u4e8e\u6d4b\u91cf&nbsp;sum&nbsp;\u4e0d\u80fd\u4ea7\u751f\u6709\u610f\u4e49\u6216\u6b63\u786e\u7ed3\u679c\u7684\u975e\u76f8\u52a0\u503c\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>error rate<\/li>\n<li>memory utilization<\/li>\n<li>cache hit rate<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e&nbsp;GaugeObserver&nbsp;\u65f6\u95f4\u5e8f\u5217\uff0c\u540e\u7aef\u901a\u5e38\u663e\u793a\u6700\u540e\u4e00\u4e2a\u503c\uff0c\u4e0d\u5141\u8bb8\u5c06\u4e0d\u540c\u7684\u65f6\u95f4\u5e8f\u5217\u76f8\u52a0\u3002<\/p>\n<h3>Metrics \u793a\u4f8b<\/h3>\n<h4>\u90ae\u4ef6\u6570\u91cf<\/h4>\n<p>\u8981\u6d4b\u91cf\u53d1\u9001\u7684\u7535\u5b50\u90ae\u4ef6\u6570\u91cf\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa Counter instrument\uff0c\u5e76\u5728\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u65f6\u9012\u589e\uff1a<\/p>\n<pre><code>import \"go.opentelemetry.io\/otel\/metric\"\n\nvar emailCounter = meter.NewInt64Counter(\n\t\"some.prefix.emails\",\n\tmetric.WithDescription(\"Number of sent emails\"),\n)\n\nemailCounter.Add(ctx, 1)<\/code><\/pre>\n<p>\u7a0d\u540e\uff0c\u60a8\u53ef\u4ee5\u6dfb\u52a0\u66f4\u591a\u5c5e\u6027\u6765\u6536\u96c6\u8be6\u7ec6\u7684\u7edf\u8ba1\u4fe1\u606f\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>kind = welcome&nbsp;\u548c&nbsp;kind = reset_password&nbsp;\u53ef\u4ee5\u6d4b\u91cf\u4e0d\u540c\u7684\u7535\u5b50\u90ae\u4ef6\u3002<\/li>\n<li>state = sent&nbsp;\u548c&nbsp;state = bounced&nbsp;\u4ee5\u8861\u91cf\u9000\u56de\u7684\u7535\u5b50\u90ae\u4ef6\u3002<\/li>\n<\/ul>\n<h4>\u64cd\u4f5c\u5ef6\u8fdf<\/h4>\n<p>\u8981\u6d4b\u91cf\u64cd\u4f5c\u7684\u5ef6\u8fdf\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa Histogram instrument \u5e76\u4e0e\u64cd\u4f5c\u540c\u6b65\u66f4\u65b0\uff1a<\/p>\n<pre><code>import \"go.opentelemetry.io\/otel\/metric\"\n\nvar opHistogram = meter.NewInt64Histogram(\n\t\"some.prefix.duration\",\n\tmetric.WithDescription(\"Duration of some operation\"),\n)\n\nt1 := time.Now()\nop(ctx)\ndur := time.Since(t1)\n\nopHistogram.Record(ctx, dur.Microseconds())<\/code><\/pre>\n<h4>\u7f13\u5b58\u547d\u4e2d\u7387<\/h4>\n<p>\u8981\u6d4b\u91cf\u7f13\u5b58\u547d\u4e2d\u7387\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a CounterObserver \u5e76\u89c2\u5bdf\u7f13\u5b58\u7edf\u8ba1\u4fe1\u606f\uff1a<\/p>\n<pre><code>import \"go.opentelemetry.io\/otel\/metric\"\n\nvar counter metric.Int64CounterObserver\n\n\/\/ Arbitrary key\/value labels.\nhits := []attribute.KeyValue{attribute.String(\"type\", \"hits\")}\nmisses := []attribute.KeyValue{attribute.String(\"type\", \"misses\")}\nerrors := []attribute.KeyValue{attribute.String(\"type\", \"errors\")}\n\nbatchObserver := meter.NewBatchObserver(\n\tfunc(ctx context.Context, result metric.BatchObserverResult) {\n\t\tstats := cache.Stats()\n\n\t\tresult.Observe(hits, counter.Observation(int64(stats.Hits)))\n\t\tresult.Observe(misses, counter.Observation(int64(stats.Misses)))\n\t\tresult.Observe(errors, counter.Observation(int64(stats.Errors)))\n\t})\n\ncounter = batchObserver.NewInt64CounterObserver(\"some.prefix.cache_operations\")<\/code><\/pre>\n<h4>\u51fa\u9519\u7387<\/h4>\n<p>\u8981\u76f4\u63a5\u6d4b\u91cf\u9519\u8bef\u7387\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a GaugeObserver \u5e76\u89c2\u5bdf\u8be5\u503c\uff0c\u800c\u4e0d\u5fc5\u62c5\u5fc3\u5b83\u662f\u5982\u4f55\u8ba1\u7b97\u7684\uff1a<\/p>\n<pre><code>import \"go.opentelemetry.io\/otel\/metric\"\n\n_ = meter.NewFloat64GaugeObserver(\"some.prefix.error_rate\",\n\tfunc(ctx context.Context, result metric.Float64ObserverResult) {\n\t\tresult.Observe(rand.Float64())\n\t},\n\tmetric.WithDescription(\"Error rate as reported by some other system\"),\n)<\/code><\/pre>\n<h2>OpenTelemetry Logs(\u65e5\u5fd7)<\/h2>\n<p>OpenTelemetry Logs \u5141\u8bb8\u4ee5\u4e00\u79cd\u80fd\u591f\u4e0e\u5176\u4ed6\u53ef\u89c2\u5bdf\u4fe1\u53f7\u8fdb\u884c\u5173\u8054\u548c\u66f4\u597d\u96c6\u6210\u7684\u65b9\u5f0f\u8bb0\u5f55\u548c\u6536\u96c6\u65e5\u5fd7\u3002<\/p>\n<p>\u65e5\u5fd7\u5bf9\u4e8e\u7406\u89e3\u5e94\u7528\u7a0b\u5e8f\u884c\u4e3a\u3001\u8bca\u65ad\u95ee\u9898\u548c\u76d1\u89c6\u7cfb\u7edf\u8fd0\u884c\u72b6\u51b5\u81f3\u5173\u91cd\u8981\u3002\u5206\u5e03\u5f0f\u8ddf\u8e2a\u548c\u6307\u6807\u63d0\u4f9b\u4e86\u5bf9\u7cfb\u7edf\u6027\u80fd\u7684\u6709\u4ef7\u503c\u7684\u89c1\u89e3\uff0c\u800c\u65e5\u5fd7\u63d0\u4f9b\u4e86\u5173\u4e8e\u7279\u5b9a\u4e8b\u4ef6\u3001\u9519\u8bef\u548c\u5e94\u7528\u7a0b\u5e8f\u884c\u4e3a\u7684\u8be6\u7ec6\u4e0a\u4e0b\u6587\u548c\u4fe1\u606f\u3002<\/p>\n<h3>\u6982\u8ff0<\/h3>\n<p>\u867d\u7136 OpenTelemetry \u4e3b\u8981\u5173\u6ce8\u4e8e\u6536\u96c6\u6307\u6807\u548c\u8ddf\u8e2a\uff0c\u4f46\u5b83\u4e5f\u901a\u8fc7\u5176\u65e5\u5fd7 API \u652f\u6301\u65e5\u5fd7\u6536\u96c6\u3002OpenTelemetry \u652f\u6301\u73b0\u6709\u7684\u65e5\u5fd7\u89e3\u51b3\u65b9\u6848\uff0c\u5e76\u786e\u4fdd\u5b83\u53ef\u4ee5\u4e0e\u73b0\u6709\u7684\u65e5\u5fd7\u5e93\u548c\u65e5\u5fd7\u6536\u96c6\u5de5\u5177\u4e00\u8d77\u5f88\u597d\u5730\u5de5\u4f5c\u3002<\/p>\n<p>OpenTelemetry \u63d0\u4f9b\u4e86\u4e00\u4e2a\u65e5\u5fd7 API\uff0c\u5141\u8bb8\u60a8\u68c0\u6d4b\u5e94\u7528\u7a0b\u5e8f\u5e76\u751f\u6210\u7ed3\u6784\u5316\u65e5\u5fd7\u3002OpenTelemetry Logging API \u65e8\u5728\u4e0e\u5176\u4ed6\u9065\u6d4b\u6570\u636e(\u5982\u6307\u6807\u548c\u8ddf\u8e2a)\u4e00\u8d77\u5de5\u4f5c\uff0c\u4ee5\u63d0\u4f9b\u7edf\u4e00\u7684\u53ef\u89c2\u6d4b\u6027\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>OpenTelemetry \u5f3a\u8c03\u7ed3\u6784\u5316\u7684\u65e5\u5fd7\uff0c\u5141\u8bb8\u60a8\u901a\u8fc7\u5c5e\u6027\u6216\u5143\u6570\u636e\u5411\u65e5\u5fd7\u6761\u76ee\u9644\u52a0\u989d\u5916\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\u3002\u8fd9\u5141\u8bb8\u60a8\u5305\u542b\u76f8\u5173\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u4f8b\u5982 timestamps, request IDs, user IDs, correlation IDs \u548c\u5176\u4ed6\u6709\u52a9\u4e8e\u65e5\u5fd7\u5206\u6790\u548c\u6545\u969c\u6392\u9664\u7684\u81ea\u5b9a\u4e49\u4e0a\u4e0b\u6587\u3002<\/p>\n<h3>\u4e0d\u540c\u7c7b\u578b\u7684\u65e5\u5fd7<\/h3>\n<p>OpenTelemetry \u652f\u6301\u4ece\u5e94\u7528\u7a0b\u5e8f\u6216\u7cfb\u7edf\u4e2d\u7684\u5404\u79cd\u6e90\u6355\u83b7\u65e5\u5fd7\u3002\u6839\u636e\u65e5\u5fd7\u7684\u751f\u6210\u548c\u6536\u96c6\u65b9\u5f0f\uff0c\u65e5\u5fd7\u53ef\u4ee5\u5206\u4e3a 3 \u7c7b\u3002<\/p>\n<h4>\u7cfb\u7edf\u548c\u57fa\u7840\u8bbe\u65bd\u65e5\u5fd7<\/h4>\n<p>\u7cfb\u7edf\u65e5\u5fd7\u63d0\u4f9b\u6709\u5173\u7cfb\u7edf\u64cd\u4f5c\u3001\u6027\u80fd\u548c\u5b89\u5168\u6027\u7684\u5b9d\u8d35\u4fe1\u606f\u3002\u7cfb\u7edf\u65e5\u5fd7\u901a\u5e38\u7531\u7cfb\u7edf\u5185\u7684\u5404\u79cd\u7ec4\u4ef6\u751f\u6210\uff0c\u5305\u62ec\u64cd\u4f5c\u7cfb\u7edf\u3001\u5e94\u7528\u7a0b\u5e8f\u3001\u7f51\u7edc\u8bbe\u5907\u548c\u670d\u52a1\u5668\u3002<\/p>\n<p>\u7cfb\u7edf\u65e5\u5fd7\u662f\u5728\u4e3b\u673a\u7ea7\u522b\u7f16\u5199\u7684\uff0c\u5177\u6709\u65e0\u6cd5\u8f7b\u6613\u66f4\u6539\u7684\u9884\u5b9a\u4e49\u683c\u5f0f\u548c\u5185\u5bb9\u3002\u7cfb\u7edf\u65e5\u5fd7\u4e0d\u5305\u62ec\u6709\u5173\u8ddf\u8e2a\u4e0a\u4e0b\u6587\u7684\u4fe1\u606f\u3002<\/p>\n<h4>Legacy first-party \u65e5\u5fd7<\/h4>\n<p>First-party \u65e5\u5fd7\u7531\u5185\u90e8\u5e94\u7528\u7a0b\u5e8f\u751f\u6210\uff0c\u8bb0\u5f55\u7279\u5b9a\u7684\u5e94\u7528\u7a0b\u5e8f\u4e8b\u4ef6\u3001\u9519\u8bef\u548c\u7528\u6237\u6d3b\u52a8\u3002\u8fd9\u4e9b\u65e5\u5fd7\u5bf9\u4e8e\u5e94\u7528\u7a0b\u5e8f\u8c03\u8bd5\u548c\u6545\u969c\u6392\u9664\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p>\u901a\u5e38\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u4fee\u6539\u8fd9\u4e9b\u5e94\u7528\u7a0b\u5e8f\uff0c\u4ee5\u66f4\u6539\u65e5\u5fd7\u7684\u7f16\u5199\u65b9\u5f0f\u548c\u5305\u542b\u7684\u4fe1\u606f\u3002\u4f8b\u5982\uff0c\u4e3a\u4e86\u5c06\u65e5\u5fd7\u4e0e\u8ddf\u8e2a\u5173\u8054\u8d77\u6765\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u624b\u52a8\u5c06\u8ddf\u8e2a\u4e0a\u4e0b\u6587\u6dfb\u52a0\u5230\u6bcf\u4e2a\u65e5\u5fd7\u8bed\u53e5\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u65e5\u5fd7\u5e93\u7684\u63d2\u4ef6\u81ea\u52a8\u6dfb\u52a0\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u8981\u4f20\u64ad\u4e0a\u4e0b\u6587\u5e76\u5c06\u65e5\u5fd7\u8bb0\u5f55\u4e0e span \u76f8\u5173\u8054\uff0c\u53ef\u4ee5\u5728\u65e5\u5fd7\u6d88\u606f\u4e2d\u4f7f\u7528\u4ee5\u4e0b\u5c5e\u6027\uff1a<\/p>\n<ul>\n<li>trace_id&nbsp;\u7528\u4e8e TraceId, \u5341\u516d\u8fdb\u5236\u7f16\u7801\u3002<\/li>\n<li>span_id&nbsp;\u7528\u4e8e SpanId, \u5341\u516d\u8fdb\u5236\u7f16\u7801\u3002<\/li>\n<li>trace_flags&nbsp;\u7528\u4e8e trace flags, \u6839\u636e W3C traceflags \u683c\u5f0f\u8fdb\u884c\u683c\u5f0f\u5316\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code>request failed trace_id=958180131ddde684c1dbda1aeacf51d3 span_id=0cf859e4f7510204<\/code><\/pre>\n<h4>New first-party \u65e5\u5fd7<\/h4>\n<p>\u542f\u52a8\u65b0\u9879\u76ee\u65f6\uff0c\u60a8\u53ef\u4ee5\u9075\u5faa OpenTelemetry \u7684\u5efa\u8bae\u548c\u6700\u4f73\u5b9e\u8df5\uff0c \u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u81ea\u52a8\u68c0\u6d4b\u53d1\u51fa\u65e5\u5fd7\uff0c\u6216\u5c06\u65e5\u5fd7\u5e93\u914d\u7f6e\u4e3a\u4f7f\u7528 OpenTelemetry log \u9644\u52a0\u7a0b\u5e8f\u3002<\/p>\n<p>OpenTelemetry \u7684\u65e5\u5fd7 API \u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u5bf9\u5176\u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c instrument\uff0c \u4ee5\u751f\u6210\u7ed3\u6784\u5316\u65e5\u5fd7\uff0c\u8fd9\u4e9b\u65e5\u5fd7\u53ef\u4ee5\u7531\u65e5\u5fd7\u540e\u53f0\u6216\u65e5\u5fd7\u7ba1\u7406\u7cfb\u7edf\u6536\u96c6\u548c\u5904\u7406\u3002\u65e5\u5fd7 API \u63d0\u4f9b\u4e86\u4e00\u79cd\u5c06\u9644\u52a0\u4e0a\u4e0b\u6587\u4fe1\u606f\u9644\u52a0\u5230\u65e5\u5fd7\u6761\u76ee\uff08\u5982\u6807\u7b7e\u3001\u5c5e\u6027\u6216\u5143\u6570\u636e\uff09\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u4f7f\u7528 Logger API \u8bb0\u5f55\u4e0d\u540c\u4e25\u91cd\u6027\u7ea7\u522b\u7684\u4e8b\u4ef6\u6216\u6d88\u606f\uff0c\u5982 debug\u3001info\u3001warn\u3001error \u7b49\u3002\u60a8\u8fd8\u53ef\u4ee5\u5c06\u5176\u4ed6\u5c5e\u6027\u6216\u4e0a\u4e0b\u6587\u9644\u52a0\u5230\u65e5\u5fd7\u6761\u76ee\u4ee5\u63d0\u4f9b\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n<p>OpenTelemetry \u8fd8\u63d0\u4f9b\u4e86\u4e00\u79cd\u6807\u51c6\u5316\u7684\u65b9\u6cd5\uff0c\u7528\u4e8e\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u4f20\u64ad\u65e5\u5fd7\u4e2d\u7684\u4e0a\u4e0b\u6587\u3002\u8fd9\u786e\u4fdd\u4e86\u76f8\u5173\u7684\u6267\u884c\u4e0a\u4e0b\u6587\u88ab\u4e00\u81f4\u5730\u6355\u83b7\u548c\u4fdd\u5b58\uff0c\u5373\u4f7f\u65e5\u5fd7\u662f\u7531\u7cfb\u7edf\u7684\u4e0d\u540c\u7ec4\u4ef6\u751f\u6210\u7684\u3002<\/p>\n<p>OpenTelemetry Logs \u6570\u636e\u6a21\u578b\u5141\u8bb8\u5c06&nbsp;TraceId&nbsp;\u548c&nbsp;SpanId&nbsp;\u76f4\u63a5\u5305\u542b\u5728&nbsp;LogRecords&nbsp;\u4e2d\u3002<\/p>\n<h3>OpenTelemetry \u6536\u96c6\u5668<\/h3>\n<p>OpenTelemetry Collector \u662f\u4e00\u4e2a\u7075\u6d3b\u4e14\u53ef\u6269\u5c55\u7684\u4ee3\u7406\uff0c\u7528\u4e8e\u6536\u96c6\u3001\u5904\u7406\u548c\u5bfc\u51fa\u9065\u6d4b\u6570\u636e\u3002\u5b83\u7b80\u5316\u4e86\u4ece\u591a\u4e2a\u6e90\u63a5\u6536\u548c\u7ba1\u7406\u9065\u6d4b\u6570\u636e\u7684\u4efb\u52a1\uff0c\u5e76\u80fd\u591f\u5c06\u6570\u636e\u5bfc\u51fa\u5230\u591a\u4e2a\u540e\u7aef\u6216\u53ef\u89c2\u6d4b\u6027\u7cfb\u7edf\u3002<\/p>\n<p>OpenTelemetry Collector \u652f\u6301\u591a\u4e2a\u65e5\u5fd7\u6e90\uff0c\u5305\u62ec\u5e94\u7528\u7a0b\u5e8f\u65e5\u5fd7\u3001\u65e5\u5fd7\u6587\u4ef6\u3001\u65e5\u5fd7\u5e93\u548c\u7b2c\u4e09\u65b9\u65e5\u5fd7\u7cfb\u7edf\u3002\u5b83\u63d0\u4f9b\u4e86\u4e0e\u6d41\u884c\u7684\u65e5\u5fd7\u6846\u67b6\u548c\u5e93\u7684\u96c6\u6210\uff0c\u5b9e\u73b0\u4e86\u65e5\u5fd7\u6570\u636e\u7684\u65e0\u7f1d\u63a5\u6536\u3002<\/p>\n<p>\u6536\u96c6\u5668\u63d0\u4f9b\u4e86\u8f6c\u6362\u548c\u4e30\u5bcc\u65e5\u5fd7\u6570\u636e\u7684\u529f\u80fd\u3002\u60a8\u53ef\u4ee5\u4fee\u6539\u65e5\u5fd7\u5c5e\u6027\u3001\u6dfb\u52a0\u5143\u6570\u636e\u6216\u4f7f\u7528\u5176\u4ed6\u4e0a\u4e0b\u6587\u4fe1\u606f\u4e30\u5bcc\u65e5\u5fd7\uff0c\u4ee5\u589e\u5f3a\u5176\u4ef7\u503c\uff0c\u5e76\u4f7f\u5176\u5bf9\u5206\u6790\u548c\u6545\u969c\u6392\u9664\u66f4\u6709\u610f\u4e49\u3002<\/p>\n<p>\u6536\u96c6\u548c\u5904\u7406\u540e\uff0cOpenTelemetry Collector \u53ef\u4ee5\u5c06\u65e5\u5fd7\u6570\u636e\u5bfc\u51fa\u5230\u5404\u79cd\u65e5\u5fd7\u540e\u7aef\u6216\u7cfb\u7edf\u3002\u5b83\u652f\u6301\u5c06\u65e5\u5fd7\u5bfc\u51fa\u5230\u6d41\u884c\u7684\u65e5\u5fd7\u8bb0\u5f55\u5e73\u53f0\u3001\u5b58\u50a8\u7cfb\u7edf\u6216\u65e5\u5fd7\u7ba1\u7406\u5de5\u5177\uff0c\u4ee5\u8fdb\u884c\u957f\u671f\u5b58\u50a8\u3001\u5206\u6790\u548c\u53ef\u89c6\u5316\u3002<\/p>\n<h3>OpenTelemetry \u540e\u7aef<\/h3>\n<p>\u4e00\u65e6\u65e5\u5fd7\u6570\u636e\u5bfc\u51fa\u5230\u65e5\u5fd7\u540e\u7aef\uff0c\u60a8\u5c31\u53ef\u4ee5\u4f7f\u7528\u5e73\u53f0\u7684\u529f\u80fd\u5904\u7406\u548c\u5206\u6790\u65e5\u5fd7\u3002\u8fd9\u53ef\u4ee5\u5305\u62ec\u8fc7\u6ee4\u3001\u641c\u7d22\u3001\u805a\u5408\u548c\u53ef\u89c6\u5316\u65e5\u5fd7\uff0c\u4ee5\u6df1\u5165\u4e86\u89e3\u5e94\u7528\u7a0b\u5e8f\u7684\u884c\u4e3a\u5e76\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<h2>OpenTelemetry Sampling(\u91c7\u6837)<\/h2>\n<p>OpenTelemetry \u91c7\u6837\u901a\u8fc7\u51cf\u5c11\u521b\u5efa\uff08\u91c7\u6837\uff09span \u7684\u6570\u91cf\uff0c\u964d\u4f4e\u4e86\u8ddf\u8e2a\u7684\u6210\u672c\u548c\u5197\u957f\u7a0b\u5ea6\u3002\u5c31\u6027\u80fd\u800c\u8a00\uff0c\u91c7\u6837\u53ef\u4ee5\u8282\u7701\u6536\u96c6\u3001\u5904\u7406\u548c\u5bfc\u51fa span \u6240\u9700\u7684 CPU \u5468\u671f\u548c\u5185\u5b58\u3002<\/p>\n<h3>\u4ec0\u4e48\u662f\u91c7\u6837\uff1f<\/h3>\n<p>\u5728\u5206\u5e03\u5f0f\u8ffd\u8e2a\u4e2d\u4f7f\u7528\u91c7\u6837\u6765\u63a7\u5236\u6536\u96c6\u5e76\u53d1\u9001\u5230\u8ddf\u8e2a\u540e\u7aef\u7684\u6570\u636e\u91cf\u3002\u5b83\u6709\u52a9\u4e8e\u5e73\u8861\u6570\u636e\u91cf\u548c\u8ddf\u8e2a\u7cbe\u5ea6\u4e4b\u95f4\u7684\u6743\u8861\u3002<\/p>\n<p>\u5728\u5206\u5e03\u5f0f\u8ddf\u8e2a\u4e2d\uff0c\u8bf7\u6c42\u5728\u6d41\u7ecf\u7cfb\u7edf\u65f6\u751f\u6210 span\u3002span \u8868\u793a\u5728\u5904\u7406\u8be5\u8bf7\u6c42\u671f\u95f4\u53d1\u751f\u7684\u5355\u4e2a\u64cd\u4f5c\u6216\u4e8b\u4ef6\u3002\u5728\u4e00\u4e2a\u590d\u6742\u7684\u7cfb\u7edf\u4e2d\uff0c\u8fd9\u4e9b span \u53ef\u80fd\u4f1a\u53d8\u5f97\u975e\u5e38\u591a\uff0c\u5e76\u4e14\u5c06\u5b83\u4eec\u5168\u90e8\u53d1\u9001\u5230\u8ddf\u8e2a\u540e\u7aef\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5927\u91cf\u7684\u5f00\u9500\u548c\u5b58\u50a8\u6210\u672c\u3002<\/p>\n<p>\u62bd\u6837\u6d89\u53ca\u5230\u51b3\u5b9a\u54ea\u4e9b\u65f6\u95f4\u6bb5\u8981\u8bb0\u5f55\uff0c\u54ea\u4e9b\u65f6\u95f4\u6bb5\u8981\u4e22\u5f03\u3002<\/p>\n<h3>\u91c7\u6837\uff1a\u4f55\u65f6\u4f55\u5730<\/h3>\n<p>\u91c7\u6837\u53ef\u80fd\u53d1\u751f\u5728 span \u5904\u7406\u7684\u4e0d\u540c\u9636\u6bb5\uff1a<\/p>\n<ul>\n<li>\u521b\u5efa trace \u65f6 - \u5934\u90e8\u91c7\u6837\uff1b<\/li>\n<li>\u5f53\u540e\u7aef\u63a5\u6536\u5230 trace \u65f6 - \u901f\u7387\u9650\u5236\u91c7\u6837\uff1b<\/li>\n<li>\u5f53\u5b8c\u6574\u7684 trace \u53ef\u7528\u65f6 - \u57fa\u4e8e\u5c3e\u90e8\u7684\u91c7\u6837\uff1b<\/li>\n<\/ul>\n<p>\u62bd\u6837\u7b56\u7565\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u51e0\u4e2a\u56e0\u7d20\uff0c\u5305\u62ec\u671f\u671b\u7684\u53ef\u89c2\u6d4b\u6027\u6c34\u5e73\u3001\u53ef\u7528\u8d44\u6e90\u548c\u7cfb\u7edf\u7684\u7279\u5b9a\u7528\u4f8b\u3002<\/p>\n<h3>\u6982\u7387\u62bd\u6837<\/h3>\n<p>\u62bd\u6837\u63d0\u4f9b\u4e86\u4e00\u79cd\u62bd\u6837\u6982\u7387\uff0c\u4f7f\u5f97\u4ec5\u4f7f\u7528\u90e8\u5206\u62bd\u6837 span \u5c31\u80fd\u5bf9\u6240\u6709 span \u8fdb\u884c\u51c6\u786e\u7684\u7edf\u8ba1\u8ba1\u6570\u3002\u4f8b\u5982\uff0c\u5982\u679c\u91c7\u6837\u6982\u7387\u4e3a 50%\uff0c\u91c7\u6837\u7684 span \u6570\u4e3a 10\uff0c\u5219\u8c03\u6574\u540e\u7684(\u603b) span \u6570\u4e3a&nbsp;10 \/ 50% = 20\u3002<\/p>\n<table style=\"text-align: justify;width: 100%;border-collapse: collapse\">\n<tbody>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Name<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Side<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Adjusted count<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Accuracy<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>\u57fa\u4e8e\u5934\u90e8\u7684\u91c7\u6837<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Client-side<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Yes<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>100%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>\u901f\u7387\u9650\u5236\u91c7\u6837<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Server-side<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Yes<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>&lt;90%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>\u57fa\u4e8e\u5c3e\u90e8\u91c7\u6837<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Server-side<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>Yes<\/p>\n<\/td>\n<td style=\"vertical-align: top;min-width: auto;margin: 4px 8px;padding: 4px 8px;cursor: default\">\n<p>&lt;90%<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u57fa\u4e8e\u5934\u90e8\u7684\u91c7\u6837<\/h3>\n<p>\u57fa\u4e8e\u5934\u90e8\u7684\u62bd\u6837\u5c3d\u53ef\u80fd\u65e9\u5730\u505a\u51fa\u62bd\u6837\u51b3\u7b56\uff0c\u5e76\u4f7f\u7528 context \u5c06\u5176\u4f20\u64ad\u7ed9\u5176\u4ed6\u53c2\u4e0e\u8005\u3002\u8fd9\u5141\u8bb8\u901a\u8fc7\u4e0d\u6536\u96c6\u4efb\u4f55\u7528\u4e8e\u5220\u9664 span (\u64cd\u4f5c)\u7684\u9065\u6d4b\u6570\u636e\u6765\u8282\u7701 CPU \u548c\u5185\u5b58\u8d44\u6e90\u3002<\/p>\n<p>\u57fa\u4e8e\u5934\u90e8\u7684\u91c7\u6837\u662f\u6700\u7b80\u5355\u3001\u6700\u51c6\u786e\u3001\u6700\u53ef\u9760\u7684\u91c7\u6837\u65b9\u6cd5\uff0c\u4e0e\u6240\u6709\u5176\u4ed6\u65b9\u6cd5\u76f8\u6bd4\uff0c\u60a8\u5e94\u8be5\u66f4\u559c\u6b22\u8fd9\u79cd\u65b9\u6cd5\u3002<\/p>\n<p>\u57fa\u4e8e\u5934\u7684\u91c7\u6837\u7684\u4e00\u4e2a\u7f3a\u70b9\u662f\uff0c\u4e0d\u80fd\u5bf9\u6709\u9519\u8bef\u7684 span \u8fdb\u884c\u91c7\u6837\uff0c\u56e0\u4e3a\u521b\u5efa span \u65f6\u8be5\u4fe1\u606f\u4e0d\u53ef\u7528\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528\u57fa\u4e8e\u5c3e\u90e8\u7684\u91c7\u6837\u3002<\/p>\n<p>\u57fa\u4e8e\u5934\u90e8\u7684\u91c7\u6837\u4e5f\u4e0d\u8003\u8651\u6d41\u91cf\u5cf0\u503c\uff0c\u5e76\u4e14\u53ef\u80fd\u6536\u96c6\u6bd4\u671f\u671b\u7684\u66f4\u591a\u7684\u6570\u636e\u3002\u8fd9\u5c31\u662f rate-limiting \u91c7\u6837\u53d8\u5f97\u65b9\u4fbf\u7684\u5730\u65b9\u3002<\/p>\n<h4>OpenTelemetry \u4e2d\u57fa\u4e8e\u5934\u7684\u91c7\u6837<\/h4>\n<p>OpenTelemetry \u6709 2 \u4e2a span \u5c5e\u6027\u8d1f\u8d23\u5ba2\u6237\u7aef\u91c7\u6837\uff1a<\/p>\n<ul>\n<li>IsRecording&nbsp;- \u5f53\u4e3a&nbsp;false&nbsp;\u65f6\uff0cspan \u5c06\u4e22\u5f03\u5c5e\u6027\u3001\u4e8b\u4ef6\u3001\u94fe\u63a5\u7b49\u3002<\/li>\n<li>Sampled&nbsp;- \u5f53\u4e3a&nbsp;false&nbsp;\u65f6\uff0cOpenTelemetry \u5220\u9664 span\u3002<\/li>\n<\/ul>\n<p>\u60a8\u5e94\u8be5\u68c0\u67e5&nbsp;IsRecording&nbsp;\u5c5e\u6027\uff0c\u4ee5\u907f\u514d\u6536\u96c6\u6602\u8d35\u7684\u9065\u6d4b\u6570\u636e\u3002<\/p>\n<pre><code>if span.IsRecording() {\n    \/\/ collect expensive data\n}<\/code><\/pre>\n<p>Sampler \u662f\u4e00\u4e2a\u63a5\u53d7\u5c06\u8981\u521b\u5efa\u7684 root span \u7684\u51fd\u6570\u3002\u8be5\u51fd\u6570\u8fd4\u56de\u4e00\u4e2a\u91c7\u6837\u51b3\u7b56\uff0c\u8be5\u51b3\u7b56\u5fc5\u987b\u662f:<\/p>\n<ul>\n<li>Drop - trace \u88ab\u4e22\u5f03\u3002IsRecording = false,&nbsp;Sampled = false\u3002<\/li>\n<li>RecordOnly - \u8bb0\u5f55 trace\uff0c\u4f46\u4e0d\u91c7\u6837\u3002IsRecording = true,&nbsp;Sampled = false\u3002<\/li>\n<li>RecordAndSample - \u8bb0\u5f55\u5e76\u91c7\u6837 trace\u3002IsRecording = true,&nbsp;Sampled = true\u3002<\/li>\n<\/ul>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cOpenTelemetry \u5bf9\u6240\u6709\u8ddf\u8e2a\u8fdb\u884c\u91c7\u6837\uff0c\u4f46\u60a8\u53ef\u4ee5\u5c06\u5176\u914d\u7f6e\u4e3a\u5bf9\u90e8\u5206\u8ddf\u8e2a\u8fdb\u884c\u91c7\u6837\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u540e\u7aef\u4f7f\u7528\u6982\u7387\u62bd\u6837\u6765\u8c03\u6574 span \u7684\u6570\u91cf\u3002<\/p>\n<h4>OpenTelemetry \u91c7\u6837\u5668<\/h4>\n<p>AlwaysOn&nbsp;sampler \u5bf9\u6bcf\u4e2a trace \u8fdb\u884c\u91c7\u6837\uff0c\u4f8b\u5982\uff0c\u5c06\u4e3a\u6bcf\u4e2a\u8bf7\u6c42\u542f\u52a8\u5e76\u5bfc\u51fa\u4e00\u4e2a\u65b0\u7684 trace\u3002<\/p>\n<p>AlwaysOff&nbsp;sampler \u4e0d\u91c7\u6837 trace\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u5220\u9664\u6240\u6709 trace\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u6b64\u91c7\u6837\u5668\u6267\u884c\u8d1f\u8f7d\u6d4b\u8bd5\u6216\u6682\u65f6\u7981\u7528 trace\u3002<\/p>\n<p>TraceIDRatioBased&nbsp;sampler \u4f7f\u7528 trace id \u5bf9\u8ddf\u8e2a\u7684\u4e00\u5c0f\u90e8\u5206\u8fdb\u884c\u91c7\u6837\uff0c\u4f8b\u5982\uff0c20% \u7684\u8ddf\u8e2a\u3002<\/p>\n<p>Parent-based&nbsp;sampler \u662f\u4e00\u79cd\u590d\u5408\u91c7\u6837\u5668\uff0c\u5b83\u6839\u636e span \u7684\u7236\u5143\u7d20\u8868\u73b0\u51fa\u4e0d\u540c\u7684\u884c\u4e3a\u3002\u5f53\u60a8\u5f00\u59cb\u4e00\u4e2a\u65b0\u7684 trace \u65f6\uff0c\u91c7\u6837\u5668\u5c06\u51b3\u5b9a\u662f\u5426\u5bf9\u5176\u8fdb\u884c\u91c7\u6837\uff0c\u5e76\u5c06\u8be5\u51b3\u7b56\u5411\u4e0b\u4f20\u64ad\u5230\u5176\u4ed6\u670d\u52a1\u3002<\/p>\n<h3>\u901f\u7387\u9650\u5236\u91c7\u6837<\/h3>\n<p>\u901f\u7387\u9650\u5236\u91c7\u6837\u53d1\u751f\u5728\u670d\u52a1\u5668\u7aef\uff0c\u5e76\u786e\u4fdd\u60a8\u4e0d\u4f1a\u8d85\u8fc7\u67d0\u4e9b\u9650\u5236\uff0c\u4f8b\u5982\uff0c\u5b83\u5141\u8bb8\u6bcf\u79d2\u91c7\u6837 10 \u4e2a\u6216\u66f4\u5c11\u7684\u8ddf\u8e2a\u3002<\/p>\n<p>\u9650\u901f\u91c7\u6837\u652f\u6301\u8c03\u6574\u8ba1\u6570\uff0c\u4f46\u7cbe\u5ea6\u8f83\u4f4e\u3002\u4e3a\u4e86\u83b7\u5f97\u66f4\u597d\u7684\u7ed3\u679c\u5e76\u63d0\u9ad8\u6027\u80fd\uff0c\u60a8\u5e94\u8be5\u5c06\u9650\u901f\u91c7\u6837\u4e0e\u66f4\u6709\u6548\u548c\u51c6\u786e\u7684\u57fa\u4e8e\u5934\u90e8\u7684\u91c7\u6837\u4e00\u8d77\u4f7f\u7528\u3002<\/p>\n<p>\u5927\u591a\u6570\u540e\u7aef\u5728\u5fc5\u8981\u65f6\u81ea\u52a8\u5e94\u7528\u9650\u901f\u91c7\u6837\u3002<\/p>\n<h3>\u57fa\u4e8e\u5c3e\u90e8\u91c7\u6837<\/h3>\n<p>\u5728\u57fa\u4e8e\u5934\u90e8\u7684\u91c7\u6837\u7684\u62bd\u6837\u4e2d\uff0c\u62bd\u6837\u51b3\u7b56\u662f\u9884\u5148\u505a\u51fa\u7684\uff0c\u901a\u5e38\u662f\u968f\u673a\u7684\u3002\u57fa\u4e8e\u5934\u90e8\u7684\u91c7\u6837\u4e0d\u80fd\u5bf9\u5931\u8d25\u6216\u5f02\u5e38\u957f\u65f6\u95f4\u7684\u64cd\u4f5c\u8fdb\u884c\u91c7\u6837\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u4fe1\u606f\u53ea\u80fd\u5728\u8ddf\u8e2a\u7ed3\u675f\u65f6\u83b7\u5f97\u3002<\/p>\n<p>\u4f7f\u7528\u57fa\u4e8e\u5c3e\u90e8\u7684\u91c7\u6837\uff0c\u6211\u4eec\u5ef6\u8fdf\u91c7\u6837\u51b3\u7b56\uff0c\u76f4\u5230\u8ddf\u8e2a\u7684\u6240\u6709 span \u53ef\u7528\uff0c\u8fd9\u4f7f\u5f97\u57fa\u4e8e\u6765\u81ea\u8ddf\u8e2a\u7684\u6240\u6709\u6570\u636e\u7684\u66f4\u597d\u7684\u91c7\u6837\u51b3\u7b56\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u5bf9\u5931\u8d25\u6216\u5f02\u5e38\u957f\u7684\u8ddf\u8e2a\u8fdb\u884c\u91c7\u6837\u3002<\/p>\n<p>\u5927\u591a\u6570 OpenTelemetry \u540e\u7aef\u5728\u5fc5\u8981\u65f6\u81ea\u52a8\u5e94\u7528\u57fa\u4e8e\u5c3e\u90e8\u7684\u91c7\u6837\uff0c\u4f46\u662f\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528 OpenTelemetry Collector \u548c tailsamplingprocessor \u6765\u6839\u636e\u4f60\u7684\u9700\u8981\u914d\u7f6e\u91c7\u6837\u3002<\/p>\n<h3>\u57fa\u4e8e\u6982\u7387\u7684\u91c7\u6837<\/h3>\n<p>\u57fa\u4e8e\u6982\u7387\u7684\u91c7\u6837\u6839\u636e\u914d\u7f6e\u7684\u6982\u7387\u6216\u91c7\u6837\u7387\u968f\u673a\u9009\u62e9\u8981\u8bb0\u5f55\u7684\u8ddf\u8e2a\u7684\u5b50\u96c6\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u8bbe\u7f6e\u91c7\u6837\u7387\u4e3a 10%\uff0c\u8fd9\u610f\u5473\u7740\u53ea\u8bb0\u5f55 10% \u7684\u8ff9\u7ebf\uff0c\u5176\u4f59\u7684\u8ff9\u7ebf\u88ab\u4e22\u5f03\u3002<\/p>\n<p>\u5f53\u60a8\u5e0c\u671b\u51cf\u5c11\u8ddf\u8e2a\u6570\u636e\u7684\u6570\u91cf\uff0c\u540c\u65f6\u4ecd\u7136\u4fdd\u6301\u7cfb\u7edf\u884c\u4e3a\u7684\u4ee3\u8868\u6027\u6837\u672c\u65f6\uff0c\u57fa\u4e8e\u6982\u7387\u7684\u91c7\u6837\u975e\u5e38\u6709\u7528\u3002\u5b83\u6709\u52a9\u4e8e\u5728\u5f00\u9500\u548c\u6240\u9700\u7684\u53ef\u89c2\u6d4b\u6027\u7ea7\u522b\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u5982\u4f55\u5728 OpenTelemetry Go \u4e2d\u914d\u7f6e\u57fa\u4e8e\u6982\u7387\u7684\u91c7\u6837\u5668\uff0c\u57fa\u4e8e Uptrace\u3002<\/p>\n<pre><code>import \"go.opentelemetry.io\/contrib\/samplers\/probability\/consistent\"\n\nsampler := consistent.ParentProbabilityBased(\n\tconsistent.ProbabilityBased(0.5), \/\/ sample 50% of traces\n)\n\nuptrace.ConfigureOpentelemetry(\n\tuptrace.WithTraceSampler(sampler),\n\n\t\/\/ Other options\n)<\/code><\/pre>\n<h2>OpenTelemetry Collector(\u6536\u96c6\u5668)<\/h2>\n<p>OpenTelemetry Collector \u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u3001\u53ef\u6269\u5c55\u548c\u53ef\u9760\u7684\u6570\u636e\u6536\u96c6\u7ba1\u9053\uff0c\u7528\u4e8e\u53ef\u89c2\u5bdf\u6027\u6570\u636e\u3002\u5b83\u4ece\u5404\u79cd\u6765\u6e90\u63a5\u6536\u9065\u6d4b\u6570\u636e\uff0c\u6267\u884c\u5904\u7406\u548c\u8f6c\u6362\u4e3a\u901a\u7528\u683c\u5f0f\uff0c\u7136\u540e\u5c06\u6570\u636e\u5bfc\u51fa\u5230\u5404\u79cd\u540e\u7aef\u8fdb\u884c\u5b58\u50a8\u548c\u5206\u6790\u3002<\/p>\n<p>Otel Collector \u652f\u6301\u591a\u79cd\u6570\u636e\u683c\u5f0f\u3001\u534f\u8bae\u548c\u5e73\u53f0\uff0c\u4f7f\u5176\u6210\u4e3a\u53ef\u89c2\u5bdf\u6027\u9700\u6c42\u7684\u7075\u6d3b\u3001\u53ef\u6269\u5c55\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<h3>OpenTelemetry Collector \u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f<\/h3>\n<p>OpenTelemetry Collector \u662f\u5e94\u7528\u7a0b\u5e8f\u548c\u5206\u5e03\u5f0f\u8ddf\u8e2a\u5de5\u5177(\u5982 SigNoz\/Jaeger)\u4e4b\u95f4\u4e0e\u4f9b\u5e94\u5546\u65e0\u5173\u7684\u4ee3\u7406\/\u4e2d\u95f4\u4eba\u3002<\/p>\n<p>OpenTelemetry Collector \u7684\u5de5\u4f5c\u539f\u7406\u662f\u63a5\u6536\u6765\u81ea\u5404\u79cd\u6765\u6e90\u7684\u9065\u6d4b\u6570\u636e\uff0c \u5bf9\u6570\u636e\u8fdb\u884c\u5904\u7406\u548c\u89c4\u8303\u5316\uff0c\u7136\u540e\u5c06\u5176\u5bfc\u51fa\u5230\u5404\u79cd\u540e\u7aef\u8fdb\u884c\u5b58\u50a8\u548c\u5206\u6790\u3002<\/p>\n<p>Otel Collector \u63d0\u4f9b\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u80fd\u529b\uff0c\u5141\u8bb8\u60a8\u6267\u884c\u805a\u5408\uff0c\u8fc7\u6ee4\uff0c\u91c7\u6837\u548c\u4e30\u5bcc\u7684\u9065\u6d4b\u6570\u636e\u3002\u5728\u5c06\u6570\u636e\u53d1\u9001\u5230\u540e\u7aef\u7cfb\u7edf\u4e4b\u524d\uff0c\u60a8\u53ef\u4ee5\u8f6c\u6362\u548c\u91cd\u5851\u6570\u636e\u4ee5\u6ee1\u8db3\u7279\u5b9a\u7684\u76d1\u89c6\u548c\u5206\u6790\u9700\u6c42\u3002<\/p>\n<p>Otel Collector \u662f\u7528 Go \u8bed\u8a00\u7f16\u5199\u7684\uff0c\u4f7f\u7528 Apache 2.0 license \uff0c\u5141\u8bb8\u60a8\u66f4\u6539\u6e90\u4ee3\u7801\u5e76\u5b89\u88c5\u81ea\u5b9a\u4e49\u6269\u5c55\u3002\u8fd9\u662f\u4ee5\u8fd0\u884c\u548c\u7ef4\u62a4\u60a8\u81ea\u5df1\u7684 OpenTelemetry Collector \u5b9e\u4f8b\u4e3a\u4ee3\u4ef7\u7684\u3002<\/p>\n<h3>\u4f55\u65f6\u4f7f\u7528 OpenTelemetry Collector?<\/h3>\n<p>\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u5c06\u9065\u6d4b\u6570\u636e\u76f4\u63a5\u53d1\u9001\u5230\u540e\u7aef\u662f\u5f00\u59cb\u4f7f\u7528 OpenTelemetry \u7684\u597d\u65b9\u6cd5\u3002\u4f46\u662f\uff0c\u60a8\u53ef\u80fd\u5e0c\u671b\u5728\u670d\u52a1\u65c1\u8fb9\u90e8\u7f72\u6536\u96c6\u5668\uff0c\u4ee5\u83b7\u5f97\u6279\u5904\u7406\u3001\u91cd\u8bd5\u3001\u654f\u611f\u6570\u636e\u8fc7\u6ee4\u7b49\u529f\u80fd\u3002<\/p>\n<p>OpenTelemetry Collector \u6700\u7a81\u51fa\u7684\u7279\u6027\u662f\u80fd\u591f\u64cd\u4f5c\u6574\u4e2a\u8f68\u8ff9\uff0c\u800c\u4e0d\u662f\u5355\u4e2a span\u3002\u4e3a\u4e86\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0cOpenTelemetry Collector \u7f13\u51b2\u63a5\u6536\u5230\u7684 span\uff0c\u5e76\u6309 trace id \u5bf9\u5b83\u4eec\u8fdb\u884c\u5206\u7ec4\u3002\u8fd9\u662f\u5b9e\u73b0\u57fa\u4e8e tail-based sampling \u7684\u5173\u952e\u8981\u6c42\u3002<\/p>\n<p>OpenTelemetry Collector \u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a&nbsp;agent\uff0c\u4ece\u88ab\u76d1\u63a7\u7684\u7cfb\u7edf\u4e2d\u63d0\u53d6\u9065\u6d4b\u6570\u636e\uff0c\u4f8b\u5982\uff0cOpenTelemetry Redis \u6216 host metrics\u3002<\/p>\n<h3>Otelcol \u4e0e Otelcol-Contrib<\/h3>\n<p>OpenTelemetry Collector \u5728 GitHub \u4e0a\u6709 2 \u4e2a\u5b58\u50a8\u5e93:<\/p>\n<ul>\n<li>opentelemetry-collector \u662f\u53ea\u5305\u542b\u6700\u5173\u952e\u7ec4\u4ef6\u7684\u6838\u5fc3\u3002\u5b83\u4ee5&nbsp;otelcol&nbsp;\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u5f62\u5f0f\u5206\u53d1\u3002<\/li>\n<\/ul>\n<ul>\n<li>https:\/\/github.com\/open-telemetry\/opentelemetry-collector<\/li>\n<\/ul>\n<ul>\n<li>opentelemetry-collector-contrib \u5305\u542b\u6838\u5fc3\u548c\u6240\u6709\u989d\u5916\u7684\u53ef\u7528\u7ec4\u4ef6\uff0c\u4f8b\u5982\uff0cRedis \u548c PostgreSQL \u63a5\u6536\u5668\u3002\u5b83\u4ee5&nbsp;otelcol-contrib&nbsp;\u4e8c\u8fdb\u5236\u6587\u4ef6\u7684\u5f62\u5f0f\u5206\u53d1\u3002<\/li>\n<li>https:\/\/github.com\/open-telemetry\/opentelemetry-collector-contrib<\/li>\n<\/ul>\n<p>\u60a8\u5e94\u8be5\u59cb\u7ec8\u5b89\u88c5\u548c\u4f7f\u7528&nbsp;otelcol-contrib\uff0c\u56e0\u4e3a\u5b83\u548c\u6838\u5fc3\u4e00\u6837\u7a33\u5b9a\uff0c\u5e76\u4e14\u652f\u6301\u66f4\u591a\u7684\u7279\u6027\u3002<\/p>\n<h3>\u5b89\u88c5<\/h3>\n<p>OpenTelemetry Collector \u4e3a Linux\u3001MacOS \u548c Windows \u5206\u53d1\u9884\u7f16\u8bd1\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002<\/p>\n<h4>Linux<\/h4>\n<p>\u8981\u5b89\u88c5&nbsp;otelcol-contrib&nbsp;binary \u548c\u76f8\u5173\u7684 systemd \u670d\u52a1\uff0c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u5c06&nbsp;0.82.0&nbsp;\u66ff\u6362\u4e3a\u6240\u9700\u7684\u7248\u672c\uff0c\u5e76\u5c06&nbsp;amd64&nbsp;\u66ff\u6362\u4e3a\u6240\u9700\u7684\u67b6\u6784:<\/p>\n<p>Debian<\/p>\n<pre><code>wget https:\/\/github.com\/open-telemetry\/opentelemetry-collector-releases\/releases\/download\/v0.82.0\/otelcol-contrib_0.82.0_linux_amd64.deb\nsudo dpkg -i otelcol-contrib_0.82.0_linux_amd64.deb<\/code><\/pre>\n<p>RPM<\/p>\n<pre><code>wget https:\/\/github.com\/open-telemetry\/opentelemetry-collector-releases\/releases\/download\/v0.82.0\/otelcol_0.82.0_linux_amd64.rpm\nsudo rpm -ivh otelcol_0.82.0_linux_amd64.rpm<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u5df2\u5b89\u88c5\u670d\u52a1\u7684\u72b6\u6001:<\/p>\n<pre><code>sudo systemctl status otelcol-contrib<\/code><\/pre>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u65e5\u5fd7:<\/p>\n<pre><code>sudo journalctl -u otelcol-contrib -f<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u5728&nbsp;\/etc\/otelcol-contrib\/config.yaml&nbsp;\u4e2d\u7f16\u8f91\u914d\u7f6e\u3002\u5e76\u91cd\u65b0\u542f\u52a8 OpenTelemetry Collector:<\/p>\n<pre><code>sudo systemctl restart otelcol-contrib<\/code><\/pre>\n<h4>\u4ece\u6e90\u4ee3\u7801\u7f16\u8bd1<\/h4>\n<p>\u4f60\u4e5f\u53ef\u4ee5\u5728\u672c\u5730\u7f16\u8bd1 OpenTelemetry Collector:<\/p>\n<pre><code>git clone https:\/\/github.com\/open-telemetry\/opentelemetry-collector-contrib.git\ncd opentelemetry-collector-contrib\nmake install-tools\nmake otelcontribcol\n.\/bin\/otelcontribcol_linux_amd64 --config .\/examples\/local\/otel-config.yaml<\/code><\/pre>\n<h3>\u914d\u7f6e<\/h3>\n<p>OpenTelemetry Collector \u662f\u9ad8\u5ea6\u53ef\u914d\u7f6e\u7684\uff0c\u5141\u8bb8\u60a8\u81ea\u5b9a\u4e49\u5176\u884c\u4e3a\u5e76\u5c06\u5176\u96c6\u6210\u5230\u53ef\u89c2\u6d4b\u6027\u5806\u6808\u4e2d\u3002\u5b83\u63d0\u4f9b\u4e86\u7528\u4e8e\u6307\u5b9a\u8f93\u5165\u3001\u5904\u7406\u5668\u548c\u5bfc\u51fa\u5668\u7684\u914d\u7f6e\u9009\u9879\uff0c\u4f7f\u60a8\u80fd\u591f\u6839\u636e\u81ea\u5df1\u7684\u7279\u5b9a\u9700\u6c42\u5b9a\u5236\u4ee3\u7406\u3002<\/p>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4f60\u53ef\u4ee5\u5728&nbsp;\/etc\/otelcol-contrib\/config.yaml&nbsp;\u4e2d\u627e\u5230\u914d\u7f6e\u6587\u4ef6\u3002\u4f8b\u5982(Uptrace):<\/p>\n<pre><code># receivers configure how data gets into the Collector.\nreceivers:\n  otlp:\n    protocols:\n      grpc:\n      http:\n\n# processors specify what happens with the received data.\nprocessors:\n  resourcedetection:\n    detectors: [env, system]\n  cumulativetodelta:\n  batch:\n    send_batch_size: 10000\n    timeout: 10s\n\n# exporters configure how to send processed data to one or more backends.\nexporters:\n  otlp\/uptrace:\n    endpoint: otlp.uptrace.dev:4317\n    headers:\n      uptrace-dsn: 'https:\/\/&lt;token&gt;@uptrace.dev\/&lt;project_id&gt;'\n\n# service.pipelines pull the configured receivers, processors, and exporters together into\n# pipelines that process data.\n#\n# receivers, processors, and exporters that are not used in pipelines are silently ignored.\nservice:\n  pipelines:\n    traces:\n      receivers: [otlp]\n      processors: [batch]\n      exporters: [otlp\/uptrace]\n    metrics:\n      receivers: [otlp]\n      processors: [cumulativetodelta, batch, resourcedetection]\n      exporters: [otlp\/uptrace]\n    logs:\n      receivers: [otlp]\n      processors: [batch]\n      exporters: [otlp\/uptrace]<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u5b98\u65b9\u6587\u6863\u4e86\u89e3\u66f4\u591a\u5173\u4e8e Otel Collector \u7684\u4fe1\u606f\u3002<\/p>\n<ul>\n<li>https:\/\/opentelemetry.io\/docs\/collector\/configuration\/<\/li>\n<\/ul>\n<h4>\u6545\u969c\u6392\u9664<\/h4>\n<p>\u5982\u679c otelcol \u6ca1\u6709\u50cf\u9884\u671f\u7684\u90a3\u6837\u5de5\u4f5c\uff0c\u60a8\u53ef\u4ee5\u68c0\u67e5\u65e5\u5fd7\u8f93\u51fa\u662f\u5426\u5b58\u5728\u6f5c\u5728\u95ee\u9898\u3002\u65e5\u5fd7\u8bb0\u5f55\u7684\u8be6\u7ec6\u7a0b\u5ea6\u9ed8\u8ba4\u4e3a&nbsp;INFO\uff0c\u4f46\u60a8\u53ef\u4ee5\u4f7f\u7528\u914d\u7f6e\u6587\u4ef6\u66f4\u6539\u5b83:<\/p>\n<pre><code>service:\n  telemetry:\n    logs:\n      level: 'debug'<\/code><\/pre>\n<p>\u67e5\u770b\u6f5c\u5728\u95ee\u9898\u7684\u65e5\u5fd7\u3002<\/p>\n<pre><code>sudo journalctl -u otelcol-contrib -f<\/code><\/pre>\n<p>\u60a8\u8fd8\u53ef\u4ee5\u542f\u7528 metrics \u6765\u76d1\u89c6 OpenTelemetry Collector:<\/p>\n<pre><code>receivers:\n  prometheus\/otelcol:\n    config:\n      scrape_configs:\n        - job_name: 'otelcol'\n          scrape_interval: 10s\n          static_configs:\n            - targets: ['0.0.0.0:8888']\n\nservice:\n  telemetry:\n    metrics:\n      address: ':8888'\n  pipelines:\n    metrics\/hostmetrics:\n      receivers: [prometheus\/otelcol]\n      processors: [cumulativetodelta, batch, resourcedetection]\n      exporters: [otlp\/uptrace]<\/code><\/pre>\n<h4>\u6269\u5c55<\/h4>\n<p>Extensions \u4e3a OpenTelemetry Collector \u63d0\u4f9b\u4e86\u989d\u5916\u7684\u529f\u80fd\uff0c\u5e76\u4e14\u4e0d\u9700\u8981\u76f4\u63a5\u8bbf\u95ee\u9065\u6d4b\u6570\u636e\uff0c \u4f8b\u5982\uff0c\u5065\u5eb7\u68c0\u67e5\u6269\u5c55\u54cd\u5e94\u5065\u5eb7\u68c0\u67e5\u8bf7\u6c42\u3002<\/p>\n<pre><code>extensions:\n  # Health Check extension responds to health check requests\n  health_check:\n  # PProf extension allows fetching Collector's performance profile\n  pprof:\n  # zPages extension enables in-process diagnostics\n  zpages:\n  # Memory Ballast extension configures memory ballast for the process\n  memory_ballast:\n    size_mib: 512<\/code><\/pre>\n<h3>\u8d44\u6e90\u68c0\u6d4b<\/h3>\n<p>\u4e3a\u4e86\u68c0\u6d4b\u6765\u81ea\u4e3b\u673a\u7684\u8d44\u6e90\u4fe1\u606f\uff0cOtel Collector \u81ea\u5e26 resourcedetection processor\u3002<\/p>\n<ul>\n<li>https:\/\/github.com\/open-telemetry\/opentelemetry-collector-contrib\/tree\/main\/processor\/resourcedetectionprocessor<\/li>\n<\/ul>\n<p>Resource Detection Processor \u81ea\u52a8\u68c0\u6d4b\u548c\u6807\u8bb0\u6709\u5173\u6570\u636e\u751f\u6210\u73af\u5883\u7684\u5143\u6570\u636e\u3002\u8fd9\u79cd\u5143\u6570\u636e\u79f0\u4e3a \"resources\"\uff0c\u4e3a\u9065\u6d4b\u6570\u636e\u63d0\u4f9b\u4e0a\u4e0b\u6587\uff0c\u53ef\u4ee5\u5305\u62ec\u4e3b\u673a\u3001\u670d\u52a1\u3001\u5bb9\u5668\u548c\u4e91\u63d0\u4f9b\u5546\u7b49\u4fe1\u606f\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u8981\u68c0\u6d4b&nbsp;host.name&nbsp;\u548c&nbsp;os.type&nbsp;\u5c5e\u6027\uff0c\u53ef\u4ee5\u4f7f\u7528\u7cfb\u7edf\u68c0\u6d4b\u5668\uff1a<\/p>\n<pre><code>processors:\n  resourcedetection:\n    detectors: [env, system]\n\nservice:\n  pipelines:\n    metrics:\n      receivers: [otlp, hostmetrics]\n      processors: [batch, resourcedetection]\n      exporters: [otlp\/uptrace]<\/code><\/pre>\n<p>\u8981\u6dfb\u52a0\u81ea\u5b9a\u4e49\u5c5e\u6027\uff0c\u5982 IP \u5730\u5740\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 env \u53d8\u91cf\u548c&nbsp;env&nbsp;\u68c0\u6d4b\u5668:<\/p>\n<pre><code>export OTEL_RESOURCE_ATTRIBUTES=\"instance=127.0.0.1\"<\/code><\/pre>\n<p>\u4e3a\u4e86\u68c0\u6d4b\u66f4\u591a\u7684\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u66f4\u4e13\u95e8\u7684\u68c0\u6d4b\u5668\uff0c\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u6b63\u5728\u4f7f\u7528 Amazon EC2\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528&nbsp;ec2&nbsp;\u68c0\u6d4b\u5668\u6765\u53d1\u73b0&nbsp;cloud.region&nbsp;\u548c&nbsp;cloud.availability_zone&nbsp;\u5c5e\u6027\uff1a<\/p>\n<pre><code>processors:\n  resourcedetection\/ec2:\n    detectors: [env, ec2]<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u4f7f\u7528 Google Cloud:<\/p>\n<pre><code>processors:\n  resourcedetection\/gcp:\n    detectors: [env, gcp]<\/code><\/pre>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u4f7f\u7528 Docker:<\/p>\n<pre><code>processors:\n  resourcedetection\/docker:\n    detectors: [env, docker]<\/code><\/pre>\n<p>\u60a8\u53ef\u4ee5\u67e5\u770b\u5b98\u65b9\u6587\u6863\uff0c\u4e86\u89e3 Heroku\u3001Azure\u3001Consul \u548c\u8bb8\u591a\u5176\u4ed6\u53ef\u7528\u7684\u68c0\u6d4b\u5668\u3002<\/p>\n<ul>\n<li>https:\/\/github.com\/open-telemetry\/opentelemetry-collector-contrib\/tree\/main\/processor\/resourcedetectionprocessor#system-metadata<\/li>\n<\/ul>\n<h3>\u5185\u5b58\u9650\u5236\u5668<\/h3>\n<p>memorylimiterprocessor \u662f\u4e00\u4e2a\u7ec4\u4ef6\uff0c\u5141\u8bb8\u7528\u6237\u5728\u5904\u7406\u9065\u6d4b\u6570\u636e\u65f6\u9650\u5236 OpenTelemetry Collector \u6d88\u8017\u7684\u5185\u5b58\u91cf\u3002\u5b83\u53ef\u4ee5\u9632\u6b62\u6536\u96c6\u5668\u4f7f\u7528\u8fc7\u591a\u7684\u5185\u5b58\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u751a\u81f3\u5d29\u6e83\u3002<\/p>\n<ul>\n<li>https:\/\/github.com\/open-telemetry\/opentelemetry-collector\/blob\/main\/processor\/memorylimiterprocessor\/README.md<\/li>\n<\/ul>\n<p>Memory Limiter Processor \u7684\u5de5\u4f5c\u65b9\u5f0f\u662f\u5b9a\u671f\u68c0\u67e5 OpenTelemetry Collector \u6d88\u8017\u7684\u5185\u5b58\u91cf\uff0c\u5e76\u5c06\u5176\u4e0e\u7528\u6237\u5b9a\u4e49\u7684\u5185\u5b58\u9650\u5236\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u6536\u96c6\u5668\u4f7f\u7528\u7684\u5185\u5b58\u8d85\u8fc7\u6307\u5b9a\u7684\u9650\u5236\uff0c\u5904\u7406\u5668\u5c06\u5f00\u59cb\u4e22\u5f03\u9065\u6d4b\u6570\u636e\uff0c\u76f4\u5230\u5185\u5b58\u4f7f\u7528\u4f4e\u4e8e\u9650\u5236\u3002<\/p>\n<p>\u8981\u542f\u7528\u5185\u5b58\u9650\u5236\u5668\uff1a<\/p>\n<pre><code>processors:\n  memory_limiter:\n    check_interval: 1s\n    limit_mib: 4000\n    spike_limit_mib: 800\n\nservice:\n  pipelines:\n    metrics:\n      processors: [memory_limiter]<\/code><\/pre>\n<h2>OpenTelemetry \u4e3b\u673a\u6307\u6807<\/h2>\n<p>hostmetricsreceiver \u662f\u4e00\u4e2a OpenTelemetry Collector plugin\uff0c\u5b83\u6536\u96c6\u5173\u4e8e\u4e3b\u673a\u7cfb\u7edf\u7684\u5404\u79cd\u6307\u6807\uff0c\u4f8b\u5982\uff0cCPU, RAM\uff0c\u78c1\u76d8\u6307\u6807\u548c\u5176\u4ed6\u7cfb\u7edf\u7ea7\u6307\u6807\u3002<\/p>\n<ul>\n<li>https:\/\/github.com\/open-telemetry\/opentelemetry-collector-contrib\/tree\/main\/receiver\/hostmetricsreceiver<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u6536\u96c6\u548c\u5206\u6790\u4e3b\u673a\u6307\u6807\uff0c\u60a8\u53ef\u4ee5\u6df1\u5165\u4e86\u89e3\u4e3b\u673a\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u8fd0\u884c\u72b6\u51b5\uff0c\u5e76\u8bc6\u522b\u53ef\u80fd\u5f71\u54cd\u5e94\u7528\u7a0b\u5e8f\u548c\u670d\u52a1\u6574\u4f53\u6027\u80fd\u7684\u6f5c\u5728\u95ee\u9898\u6216\u74f6\u9888\u3002<\/p>\n<h3>\u4e3b\u673a\u6307\u6807<\/h3>\n<p>\u8981\u5f00\u59cb\u6536\u96c6\u4e3b\u673a\u6307\u6807\uff0c\u60a8\u9700\u8981\u5728\u8981\u76d1\u89c6\u7684\u6bcf\u4e2a\u7cfb\u7edf\u4e0a\u5b89\u88c5 Collector\uff0c\u5e76\u5c06\u4ee5\u4e0b\u884c\u6dfb\u52a0\u5230 Collector \u914d\u7f6e\u4e2d:<\/p>\n<pre><code>processors:\n  resourcedetection:\n    detectors: [env, system]\n  cumulativetodelta:\n\nreceivers:\n  hostmetrics:\n    collection_interval: 10s\n    scrapers:\n      # CPU utilization metrics\n      cpu:\n      # Disk I\/O metrics\n      disk:\n      # File System utilization metrics\n      filesystem:\n      # CPU load metrics\n      load:\n      # Memory utilization metrics\n      memory:\n      # Network interface I\/O metrics &amp; TCP connection metrics\n      network:\n      # Paging\/Swap space utilization and I\/O metrics\n      paging:\n\nservice:\n  pipelines:\n    metrics:\n      receivers: [otlp, hostmetrics]\n      processors: [cumulativetodelta, batch, resourcedetection]\n      exporters: [otlp\/uptrace]<\/code><\/pre>\n<h3>\u6587\u4ef6\u7cfb\u7edf\u6307\u6807<\/h3>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f\u4e0d\u5e38\u89c1\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u66f4\u5f7b\u5e95\u5730\u914d\u7f6e&nbsp;filesystem&nbsp;\u63a5\u6536\u5668\uff0c\u4f8b\u5982\uff0c\u53ea\u6293\u53d6\u652f\u6301\u7684\u6587\u4ef6\u7cfb\u7edf\u7c7b\u578b\u5e76\u907f\u514d\u8b66\u544a\uff1a<\/p>\n<pre><code>receivers:\n  hostmetrics:\n    collection_interval: 10s\n    scrapers:\n      cpu:\n      disk:\n      load:\n      filesystem:\n        include_fs_types:\n          match_type: strict\n          fs_types: [ext3, ext4]\n      memory:\n      network:\n      paging:<\/code><\/pre>\n<h3>\u8fdb\u7a0b\u6307\u6807<\/h3>\n<p>\u8981\u6536\u96c6\u6bcf\u4e2a\u8fdb\u7a0b\u7684 CPU\u3001\u5185\u5b58\u548c\u78c1\u76d8 I\/O \u6307\u6807\uff0c\u60a8\u9700\u8981\u542f\u7528\u5404\u81ea\u7684\u6293\u53d6\u5668\uff1a<\/p>\n<pre><code>receivers:\n  hostmetrics:\n    collection_interval: 10s\n    scrapers:\n      # Process count metrics\n      process:\n      # Per process CPU, Memory, and Disk I\/O metrics\n      processes:<\/code><\/pre>\n<p>\u8fd9\u4e9b\u6293\u53d6\u5668\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u662f\u7981\u7528\u7684\uff0c\u56e0\u4e3a\u5b83\u4eec\u9700\u8981\u4ee5\u66f4\u9ad8\u7684\u6743\u9650\u8fd0\u884c OpenTelemetry Collector \u624d\u80fd\u8bbf\u95ee\u5176\u4ed6\u8fdb\u7a0b\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u5728 Linux \u4e0a\uff0c\u4f60\u53ef\u4ee5\u5728&nbsp;root&nbsp;\u7528\u6237\u4e0b\u8fd0\u884c&nbsp;otelcol-contrib:<\/p>\n<pre><code># \/lib\/systemd\/system\/otelcol-contrib.service\n\nUser=root\nGroup=root<\/code><\/pre>\n<p>\u6216\u8005\u4f7f\u7528&nbsp;sudo&nbsp;\u542f\u52a8\u8be5\u8fdb\u7a0b\uff1a<\/p>\n<pre><code># \/lib\/systemd\/system\/otelcol-contrib.service\n\nExecStart=sudo \/usr\/bin\/otelcol-contrib $OTELCOL_OPTIONS<\/code><\/pre>\n<h3>\u5bb9\u5668\u4e3b\u673a\u6307\u6807<\/h3>\n<p>\u5728 Linux \u4e0a\uff0cOpenTelemetry \u4ece Linux \u7cfb\u7edf\u76ee\u5f55\u6536\u96c6\u6307\u6807\u3002\u8981\u6536\u96c6\u5173\u4e8e\u4e3b\u673a\u7cfb\u7edf\u800c\u4e0d\u662f\u5bb9\u5668\u7684\u6307\u6807\uff0c\u53ef\u4ee5\u5728\u8fd0\u884c\u5bb9\u5668\u65f6\u6302\u8f7d\u4e3b\u673a\u6587\u4ef6\u7cfb\u7edf:<\/p>\n<pre><code># mount the entire filesystem\ndocker run -v \/:\/hostfs ...\n\n# or mount only parts you need\ndocker run -v \/proc:\/hostfs\/proc ...<\/code><\/pre>\n<p>\u7136\u540e\u914d\u7f6e&nbsp;root_path\uff0c\u4ee5\u4fbf hostmetrics \u63a5\u6536\u5668\u77e5\u9053\u6839\u6587\u4ef6\u7cfb\u7edf\u7684\u4f4d\u7f6e:<\/p>\n<pre><code>receivers:\n  hostmetrics:\n    root_path: \/hostfs<\/code><\/pre>\n<h2>Refs<\/h2>\n<ul>\n<li>https:\/\/opentelemetry.io\/<\/li>\n<li>https:\/\/uptrace.dev\/opentelemetry\/<\/li>\n<li>React \u524d\u7aef\u5e94\u7528\u4e2d\u5feb\u901f\u5b9e\u8df5 OpenTelemetry \u4e91\u539f\u751f\u53ef\u89c2\u6d4b\u6027(SigNoz\/K8S)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662f OpenTelemetry\uff1f OpenTelemetry \u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u53ef\u89c2\u6d4b\u6027\u6846\u67b6\uff0c\u7531\u4e91\u539f\u751f\u57fa\u91d1\u4f1a(C [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":304274,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[55],"tags":[],"class_list":["post-304273","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-phone"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/304273","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=304273"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/304273\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/304274"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=304273"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=304273"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=304273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}