{"id":106054,"date":"2026-09-16T15:48:32","date_gmt":"2026-09-16T07:48:32","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/106054.html"},"modified":"2026-09-16T15:48:32","modified_gmt":"2026-09-16T07:48:32","slug":"opentelemetry-trace-%e5%b0%be%e9%83%a8%e9%87%87%e6%a0%b7%e7%8e%87%e5%8a%a8%e6%80%81%e8%b0%83%e8%8a%82%e4%b8%8e%e9%93%be%e8%b7%af%e5%ae%8c%e6%95%b4%e6%80%a7%e4%bf%9d%e9%9a%9c","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/106054.html","title":{"rendered":"OpenTelemetry Trace \u5c3e\u90e8\u91c7\u6837\u7387\u52a8\u6001\u8c03\u8282\u4e0e\u94fe\u8def\u5b8c\u6574\u6027\u4fdd\u969c"},"content":{"rendered":"<h2>OpenTelemetry Trace \u5c3e\u90e8\u91c7\u6837\u7387\u52a8\u6001\u8c03\u8282\u4e0e\u94fe\u8def\u5b8c\u6574\u6027\u4fdd\u969c<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260916074831-6aaa49cf2b940.webp\" alt=\"\u5c01\u9762\u4fe1\u606f\u56fe\" \/><\/p>\n<p>\u5728\u5fae\u670d\u52a1\u67b6\u6784\u7684\u5927\u89c4\u6a21\u5206\u5e03\u5f0f\u5168\u94fe\u8def\u8ffd\u8e2a&#xff08;Distributed Tracing&#xff09;\u5b9e\u8df5\u4e2d&#xff0c;\u91c7\u6837\u7b56\u7565&#xff08;Sampling Strategy&#xff09;\u7684\u8bbe\u8ba1 \u76f4\u63a5\u51b3\u5b9a\u4e86\u6574\u5957\u53ef\u89c2\u6d4b\u6027\u4f53\u7cfb\u7684\u751f\u6b7b\u5b58\u4ea1&#xff1a;<\/p>\n<ul>\n<li>\u5982\u679c\u91c7\u7528\u6700\u539f\u59cb\u7684\u5934\u90e8\u91c7\u6837&#xff08;Head-based Sampling&#xff0c;\u5373\u8bf7\u6c42\u521a\u8fdb\u5165\u7f51\u5173\u65f6\u5c31\u6309\u56fa\u5b9a\u6bd4\u4f8b\u6254\u63b7\u9ab0\u5b50\u51b3\u5b9a\u662f\u5426\u8bb0\u5f55&#xff09;&#xff1a;\u5728\u4e00\u4e2a\u65e5\u5747 10 \u4ebf\u6b21\u8c03\u7528\u7684\u7cfb\u7edf\u4e2d&#xff0c;\u82e5\u8bbe\u7f6e 1% \u7684\u9759\u6001\u91c7\u6837\u7387&#xff0c;\u90a3\u4e48\u5f53\u67d0\u6761\u6838\u5fc3\u652f\u4ed8\u94fe\u8def\u53d1\u751f\u6781\u5c11\u6570\u7684\u5076\u53d1 500 \u62a5\u9519\u65f6&#xff0c;\u8fd9\u7b14\u73cd\u8d35\u7684\u6545\u969c\u8c03\u7528\u6709 99% \u7684\u5927\u6982\u7387\u4f1a\u88ab\u7f51\u5173\u5728\u5165\u53e3\u5904\u76f4\u63a5\u4e22\u5f03&#xff01;\u5f53\u5de5\u7a0b\u5e08\u53bb Jaeger \u6216 Tempo \u91cc\u68c0\u7d22\u65f6&#xff0c;\u53ea\u80fd\u770b\u5230\u4e00\u7247\u7a7a\u767d\u7684\u201c\u94fe\u8def\u672a\u547d\u4e2d\u201d&#xff1b;<\/li>\n<li>\u5982\u679c\u4e3a\u4e86\u4e0d\u9519\u8fc7\u4efb\u4f55\u6545\u969c\u800c\u5f00\u542f 100% \u5168\u91cf\u91c7\u6837&#xff08;Full Tracing&#xff09;&#xff1a;Trace \u6570\u636e\u91cf\u5c06\u8f7b\u677e\u8fbe\u5230\u6bcf\u5929\u6570\u5341 TB&#xff0c;\u540e\u7aef\u7684 Jaeger Collector\u3001Kafka \u6d88\u606f\u961f\u5217\u4e0e\u5e95\u5c42\u5b58\u50a8\u77ac\u95f4\u88ab\u6d77\u91cf\u6b63\u5e38\u7684 200 \u8bf7\u6c42\u538b\u57ae&#xff0c;\u7f51\u7edc\u5e26\u5bbd\u4e0e\u786c\u4ef6\u8d26\u5355\u53cc\u53cc\u7206\u70b8\u3002<\/li>\n<\/ul>\n<p>\u5982\u4f55\u5728**\u201c100% \u6355\u83b7\u5168\u90e8\u7ebf\u4e0a\u5f02\u5e38\u6545\u969c\u94fe\u8def\u201d\u7684\u540c\u65f6&#xff0c;\u5c06\u201c\u6d77\u91cf\u6b63\u5e38\u8bf7\u6c42\u7684\u6570\u636e\u91cf\u538b\u7f29 95% \u4ee5\u4e0a\u201d**&#xff1f;<\/p>\n<p>\u7b54\u6848\u5728\u4e8e\u5f15\u5165\u57fa\u4e8e OpenTelemetry Collector Gateway \u7684\u201c\u667a\u80fd\u5c3e\u90e8\u91c7\u6837&#xff08;Tail-Based Sampling&#xff09;\u4e0e\u52a8\u6001\u91c7\u6837\u7387\u81ea\u9002\u5e94\u8c03\u8282\u673a\u5236\u201d\u3002<\/p>\n<h4>\u5934\u90e8\u91c7\u6837 vs \u5c3e\u90e8\u91c7\u6837&#xff1a;\u7269\u7406\u673a\u5236\u7684\u4ee3\u9645\u98de\u8dc3<\/h4>\n<p>[ \u4f20\u7edf\u5934\u90e8\u91c7\u6837 (Head-Based Sampling): \u76f2\u76ee\u63b7\u9ab0\u5b50 (\u4e0d\u53ef\u77e5\u5168\u5c40\u7ed3\u679c) ]<br \/>\n  \u8bf7\u6c42\u5230\u8fbe\u7f51\u5173 \u2500\u2500\u25ba (\u5728\u5c1a\u672a\u6267\u884c\u524d\u6309 1% \u968f\u673a\u51b3\u5b9a: \u629b\u5f03) \u2500\u2500\u25ba \u4e1a\u52a1\u6267\u884c\u53d1\u751f 500 \u62a5\u9519 \u2500\u2500\u25ba &#x1f4a5; \u6545\u969c\u73b0\u573a\u4e22\u5931&#xff01;<\/p>\n<p>[ \u73b0\u4ee3\u5c3e\u90e8\u91c7\u6837 (Tail-Based Sampling): \u4e8b\u540e\u5168\u666f\u51b3\u7b56 (\u6839\u636e\u6700\u7ec8\u6267\u884c\u7ed3\u679c\u5224\u5b9a) ]<br \/>\n  \u8bf7\u6c42\u5230\u8fbe\u7f51\u5173 \u2500\u2500\u25ba \u5185\u5b58\u73af\u5f62\u7f13\u51b2\u533a\u6682\u5b58 (\u7b49\u5f85 10s \u6536\u96c6\u5168\u94fe\u8def\u6240\u6709 Span)<br \/>\n                      \u2502<br \/>\n                      \u25bc (\u6536\u96c6\u5b8c\u6bd5&#xff0c;\u5206\u6790\u5168\u94fe\u8def\u5065\u5eb7\u4f53\u5f81)<br \/>\n  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n  \u25bc (\u94fe\u8def\u4e2d\u4efb\u610f Span \u5305\u542b Error \/ \u8017\u65f6 &gt; 800ms) \u25bc (\u5168\u94fe\u8def 100% \u6b63\u5e38\u4e14\u8017\u65f6 &lt; 50ms)<br \/>\n[ &#x1f534; 100% \u5168\u91cf\u6301\u4e45\u5316\u843d\u76d8 (\u96f6\u4e22\u5931\u6392\u969c\u8bc1\u636e) ]   [ &#x1f7e2; \u6309 0.1% \u8d85\u4f4e\u6bd4\u4f8b\u81ea\u9002\u5e94\u7a00\u758f\u62bd\u6837 ]<\/p>\n<ul>\n<li>\u5934\u90e8\u91c7\u6837&#xff1a;\u51b3\u7b56\u53d1\u751f\u5728\u8bf7\u6c42\u8d77\u70b9&#xff0c;\u6b64\u65f6\u65e0\u6cd5\u9884\u77e5\u8be5\u8bf7\u6c42\u540e\u7eed\u662f\u5426\u4f1a\u8d85\u65f6\u3001\u662f\u5426\u4f1a\u629b\u51fa\u7a7a\u6307\u9488\u5f02\u5e38\u3002<\/li>\n<li>\u5c3e\u90e8\u91c7\u6837&#xff1a;\u5c06\u8bf7\u6c42\u7684\u6240\u6709\u5b50 Span \u7f13\u5b58\u5728 OpenTelemetry Collector Gateway \u7684\u5185\u5b58\u6c60\u4e2d\u3002\u5f53\u6574\u4e2a\u5206\u5e03\u5f0f\u8c03\u7528\u5b8c\u5168\u7ed3\u675f\u3001\u6240\u6709 Span \u5230\u9f50\u540e&#xff0c;\u91c7\u6837\u5668\u6839\u636e\u6574\u6761\u94fe\u8def\u7684\u6700\u7ec8\u7ed3\u679c&#xff08;\u72b6\u6001\u7801\u3001\u603b\u8017\u65f6\u3001\u662f\u5426\u6709\u5f02\u5e38\u5806\u6808&#xff09;\u8fdb\u884c\u540e\u7f6e\u51b3\u7b56&#xff0c;\u5b9e\u73b0\u4e86\u201c\u7cbe\u51c6\u4fdd\u7559\u4e00\u5207\u574f\u7684&#xff0c;\u6781\u7b80\u62bd\u53d6\u597d\u7684\u201d\u3002<\/li>\n<\/ul>\n<h4>OpenTelemetry Collector \u751f\u4ea7\u7ea7\u5c3e\u90e8\u91c7\u6837\u914d\u7f6e\u5b9e\u6218<\/h4>\n<p>\u5728 Kubernetes \u4e2d\u90e8\u7f72 OTel Collector Gateway \u96c6\u7fa4&#xff0c;\u914d\u7f6e tail_sampling \u5904\u7406\u5668&#xff1a;<\/p>\n<p>processors:<br \/>\n  # 1. \u5185\u5b58\u786c\u4fdd\u62a4 (\u9632\u6b62\u5927\u5e76\u53d1\u4e0b\u5c3e\u90e8\u7f13\u5b58\u6491\u7206 OTel \u5185\u5b58)<br \/>\n  memory_limiter:<br \/>\n    check_interval: 1s<br \/>\n    limit_percentage: 75<br \/>\n    spike_limit_percentage: 15<\/p>\n<p>  # 2. \u6838\u5fc3\u7cbe\u9ad3: \u5c3e\u90e8\u91c7\u6837\u591a\u7b56\u7565\u7ec4\u5408\u5f15\u64ce (Tail-Based Sampler)<br \/>\n  tail_sampling:<br \/>\n    decision_wait: 10s       # \u7b49\u5f85\u5168\u94fe\u8def Span \u5230\u9f50\u7684\u6700\u5927\u7a97\u53e3\u65f6\u95f4 (\u901a\u5e38\u8bbe\u4e3a 5s~10s)<br \/>\n    num_traces: 200000       # \u5185\u5b58\u4e2d\u5141\u8bb8\u6682\u5b58\u7684\u6700\u5927\u6d3b\u8dc3 Trace \u6570\u91cf<br \/>\n    expected_new_traces_per_sec: 10000<br \/>\n    policies:<br \/>\n      # \u7b56\u7565\u4e00: \u9519\u8bef\u72b6\u6001\u7801 100% \u7edd\u5bf9\u8c41\u514d\u4fdd\u771f (Error Policy)<br \/>\n      # \u53ea\u8981\u6574\u6761\u94fe\u8def\u4e2d\u4efb\u610f\u4e00\u4e2a\u5b50 Span \u7684 status.code &#061;&#061; ERROR&#xff0c;\u5f3a\u5236 100% \u4fdd\u7559&#xff01;<br \/>\n      &#8211; name: errors-rule<br \/>\n        type: status_code<br \/>\n        status_code: { status_codes: [ ERROR ] }<\/p>\n<p>      # \u7b56\u7565\u4e8c: \u957f\u8017\u65f6\u6162\u8bf7\u6c42 100% \u5b8c\u6574\u4fdd\u7559 (Latency Policy)<br \/>\n      # \u53ea\u8981\u6574\u6761\u5206\u5e03\u5f0f\u94fe\u8def\u603b\u6267\u884c\u65f6\u95f4\u8d85\u8fc7 800ms&#xff0c;\u5f3a\u5236 100% \u4fdd\u7559&#xff01;<br \/>\n      &#8211; name: slow-latency-rule<br \/>\n        type: latency<br \/>\n        latency: { threshold_ms: 800 }<\/p>\n<p>      # \u7b56\u7565\u4e09: \u5173\u952e P0 \u6838\u5fc3\u4ea4\u6613\u63a5\u53e3\u4fdd\u5e95\u91c7\u6837 (Attribute Policy)<br \/>\n      # \u5bf9\u5305\u542b \/api\/v1\/trade\/pay \u7684\u6838\u5fc3\u652f\u4ed8\u8bf7\u6c42&#xff0c;\u4fdd\u6301 20% \u9ad8\u91c7\u6837\u7387<br \/>\n      &#8211; name: payment-route-rule<br \/>\n        type: string_attribute<br \/>\n        string_attribute:<br \/>\n          key: http.route<br \/>\n          values: [ &#034;\/api\/v1\/trade\/pay&#034;, &#034;\/api\/v1\/order\/settle&#034; ]<br \/>\n          enabled_regex_matching: false<\/p>\n<p>      # \u7b56\u7565\u56db: \u666e\u901a\u6b63\u5e38 200 \u6d41\u91cf\u7684\u52a8\u6001\u7a00\u758f\u6982\u7387\u62bd\u6837 (Probabilistic Policy)<br \/>\n      # \u7edd\u5927\u90e8\u5206\u8017\u65f6\u51e0\u6beb\u79d2\u7684\u6b63\u5e38\u8bf7\u6c42&#xff0c;\u4ec5\u4fdd\u7559 0.5% \u4f5c\u4e3a\u7edf\u8ba1\u80cc\u666f\u57fa\u7ebf<br \/>\n      &#8211; name: normal-traffic-rule<br \/>\n        type: probabilistic<br \/>\n        probabilistic: { sampling_percentage: 0.5 }<\/p>\n<h4>\u751f\u4ea7\u7ea7\u5c3e\u90e8\u91c7\u6837\u7684\u4e09\u5927\u67b6\u6784\u6311\u6218\u4e0e\u89e3\u6cd5<\/h4>\n<h5>1. \u8de8\u591a Collector \u8282\u70b9\u7684 TraceID \u4e00\u81f4\u6027\u8def\u7531&#xff08;Load-Balancing Exporter&#xff09;<\/h5>\n<p>\u5728\u5206\u5e03\u5f0f\u90e8\u7f72\u591a\u4e2a OTel Collector \u5b9e\u4f8b\u65f6&#xff0c;\u540c\u4e00\u4e2a\u8bf7\u6c42\u7684\u7236 Span \u548c\u5b50 Span \u53ef\u80fd\u4f1a\u88ab\u968f\u673a\u5206\u53d1\u5230\u4e0d\u540c\u7684 Collector \u8282\u70b9\u4e0a&#xff0c;\u5bfc\u81f4\u5355\u4e00 Collector \u65e0\u6cd5\u62fc\u51d1\u51fa\u5b8c\u6574\u7684 Trace \u6811\u3002<\/p>\n<p>\u89e3\u6cd5&#xff1a;\u5728\u6570\u636e\u63a5\u5165\u5c42\u524d\u7f6e\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684 loadbalancing exporter&#xff0c;\u5b83\u6839\u636e TraceID \u6267\u884c\u4e00\u81f4\u6027\u54c8\u5e0c\u8def\u7531&#xff0c;\u786e\u4fdd\u62e5\u6709\u76f8\u540c TraceID \u7684\u6240\u6709 Span 100% \u6295\u9012\u7ed9\u540c\u4e00\u4e2a Collector \u5904\u7406\u8282\u70b9&#xff01;<\/p>\n<p>exporters:<br \/>\n  loadbalancing:<br \/>\n    routing_key: &#034;trace_id&#034;<br \/>\n    protocol:<br \/>\n      otlp:<br \/>\n        insecure: true<br \/>\n    resolver:<br \/>\n      dns:<br \/>\n        hostname: otel-collector-gateway.monitoring.svc<\/p>\n<h5>2. \u5185\u5b58\u53cd\u538b\u4e0e\u8d85\u65f6\u5f3a\u5236\u51b3\u7b56&#xff08;Decision Timeout Protection&#xff09;<\/h5>\n<p>\u5982\u679c\u67d0\u4e2a\u5f02\u6b65\u8bf7\u6c42\u957f\u8fbe 30 \u79d2\u90fd\u6ca1\u6709\u7ed3\u675f&#xff0c;Collector \u4e0d\u80fd\u65e0\u9650\u5236\u7b49\u5f85\u4e0b\u53bb\u3002\u901a\u8fc7\u914d\u7f6e decision_wait: 10s&#xff0c;\u4e00\u65e6\u8d85\u8fc7 10 \u79d2&#xff0c;\u91c7\u6837\u5668\u4f1a\u7acb\u5373\u5bf9\u5df2\u6536\u5230\u7684\u90e8\u5206 Span \u6267\u884c\u5f3a\u5236\u5224\u5b9a\u5e76\u91ca\u653e\u5185\u5b58&#xff0c;\u9632\u6b62\u5185\u5b58\u6cc4\u6f0f\u3002<\/p>\n<h4>\u751f\u4ea7\u6cbb\u7406\u6536\u76ca\u6838\u7b97<\/h4>\n<p>\u901a\u8fc7\u5728\u5168\u7f51\u63a8\u884c\u57fa\u4e8e OpenTelemetry Collector \u7684\u52a8\u6001\u5c3e\u90e8\u91c7\u6837\u4f53\u7cfb&#xff1a;<\/p>\n<ul>\n<li>Trace \u6570\u636e\u65e5\u5747\u751f\u6210\u91cf&#xff1a;\u4ece\u539f\u672c\u7684 6.2 TB\/\u5929 \u9aa4\u964d\u81f3 640 GB\/\u5929&#xff0c;\u7f51\u7edc\u4f20\u8f93\u4e0e\u5b58\u50a8\u7a7a\u95f4\u6574\u4f53\u7f29\u51cf 89.6%&#xff1b;<\/li>\n<li>\u6545\u969c\u94fe\u8def\u6355\u83b7\u7387&#xff1a;\u5728\u5168\u94fe\u8def\u538b\u6d4b\u4e0e\u6545\u969c\u6f14\u7ec3\u4e2d&#xff0c;\u6240\u6709\u53d1\u751f\u7684 5xx \u62a5\u9519\u4e0e\u6162\u8bf7\u6c42 Trace \u6355\u83b7\u7387\u4fdd\u6301 100.0%&#xff08;\u96f6\u4e22\u5931&#xff09;&#xff1b;<\/li>\n<li>\u5f7b\u5e95\u89e3\u51b3\u4e86\u201c\u5168\u91cf\u8bb0\u4e0d\u8d77\u3001\u62bd\u6837\u770b\u4e0d\u89c1\u201d\u7684\u4e16\u7eaa\u96be\u9898&#xff0c;\u5b9e\u73b0\u4e86\u517c\u5177\u6781\u9ad8\u6392\u969c\u4fdd\u771f\u5ea6\u4e0e\u6781\u81f4\u8d22\u52a1\u6027\u4ef7\u6bd4\u7684\u73b0\u4ee3\u5316\u94fe\u8def\u8ffd\u8e2a\u6cbb\u7406\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>OpenTelemetry Trace \u5c3e\u90e8\u91c7\u6837\u7387\u52a8\u6001\u8c03\u8282\u4e0e\u94fe\u8def\u5b8c\u6574\u6027\u4fdd\u969c\u5728\u5fae\u670d\u52a1\u67b6\u6784\u7684\u5927\u89c4\u6a21\u5206\u5e03\u5f0f\u5168\u94fe\u8def\u8ffd\u8e2a&#xff08;Distributed Tracing&#xff09;\u5b9e\u8df5\u4e2d&#xff0c;\u91c7\u6837\u7b56\u7565&#xff08;Sampling Strategy&#xff09;\u7684\u8bbe\u8ba1 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