{"id":206488,"date":"2025-06-12T12:06:44","date_gmt":"2025-06-12T04:06:44","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206488\/"},"modified":"2025-06-12T12:06:44","modified_gmt":"2025-06-12T04:06:44","slug":"%e5%9c%a8-opentelemetry-%e4%b8%ad%ef%bc%8cotel-tracername-%e5%87%bd%e6%95%b0%e6%98%af%e5%a6%82%e4%bd%95%e5%88%9b%e5%bb%ba%e5%92%8c%e9%85%8d%e7%bd%ae%e8%b7%9f%e8%b8%aa%e5%99%a8%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206488\/","title":{"rendered":"\u5728 OpenTelemetry \u4e2d\uff0cotel.Tracer(name) \u51fd\u6570\u662f\u5982\u4f55\u521b\u5efa\u548c\u914d\u7f6e\u8ddf\u8e2a\u5668\u7684\uff1f"},"content":{"rendered":"<p>\u4f60\u5728\u5b66\u4e60<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5728 OpenTelemetry \u4e2d\uff0cotel.Tracer(name) \u51fd\u6570\u662f\u5982\u4f55\u521b\u5efa\u548c\u914d\u7f6e\u8ddf\u8e2a\u5668\u7684\uff1f\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241113\/173146378067340a6484e86.jpg\" class=\"aligncenter\">,<br \/>\n<strong>otel.tracer(name) \u6e90\u7801\u89e3\u6790<\/strong>,\u5728 opentelemetry \u6e90\u7801\u4e2d\uff0cotel.tracer(name) \u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u6216\u521b\u5efa\u5177\u6709\u6307\u5b9a\u540d\u79f0\u7684\u8ddf\u8e2a\u5668\u3002\u8ddf\u8e2a\u5668\u662f\u4e00\u4e2a\u8d1f\u8d23\u6536\u96c6\u8ddf\u8e2a\u4fe1\u606f\u7684\u7ec4\u4ef6\uff0c\u5305\u62ec\u8de8\u5ea6\u3001\u65e5\u5fd7\u548c\u4e8b\u4ef6\u7b49\u3002,<br \/>\n<strong>\u51fd\u6570\u7b7e\u540d<\/strong>,<br \/>\n<strong>\u5b9e\u73b0<\/strong>,tracer \u51fd\u6570\u7684\u5b9e\u73b0\u4f4d\u4e8e tracer.go \u6587\u4ef6\u4e2d\u3002\u8be5\u51fd\u6570\u9996\u5148\u83b7\u53d6\u8ddf\u8e2a\u5668\u63d0\u4f9b\u7a0b\u5e8f\uff08tracerprovider\uff09\uff0c\u7136\u540e\u8c03\u7528 tracerprovider.tracer \u65b9\u6cd5\uff1a,<br \/>\n<strong>tracerprovider.tracer() \u65b9\u6cd5<\/strong>,tracerprovider.tracer \u65b9\u6cd5\u67e5\u627e\u7ed9\u5b9a\u540d\u79f0\u7684\u8ddf\u8e2a\u5668\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5219\u521b\u5efa\u5b83\uff1a,<br \/>\n<strong>newtracerconfig() \u51fd\u6570<\/strong>,newtracerconfig \u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u8ddf\u8e2a\u5668\u914d\u7f6e\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u6307\u5b9a\u8ddf\u8e2a\u5668\u7684\u5404\u79cd\u9009\u9879\uff0c\u4f8b\u5982\u91c7\u6837\u7387\u3001\u65e5\u5fd7\u7b49\u7ea7\u548c\u5bfc\u51fa\u5668\u3002,<br \/>\n<strong>\u7591\u95ee\uff1aoption.apply(config) \u884c<\/strong>,\u5728 newtracerconfig \u51fd\u6570\u4e2d\uff0c\u6709\u4e00\u4e2a\u540d\u4e3a option.apply(config) \u7684\u884c\u3002\u8fd9\u4e2a option \u662f\u4e00\u4e2a\u5b9e\u73b0\u4e86 traceroption \u63a5\u53e3\u7684\u7c7b\u578b\u3002\u8be5\u63a5\u53e3\u6709\u4e00\u4e2a apply \u65b9\u6cd5\uff0c\u7528\u4e8e\u66f4\u65b0\u7ed9\u5b9a\u7684\u8ddf\u8e2a\u5668\u914d\u7f6e\uff1a,<br \/>\n<strong>\u603b\u7ed3<\/strong>,\u603b\u7684\u6765\u8bf4\uff0cotel.tracer() \u51fd\u6570\u5141\u8bb8\u7528\u6237\u83b7\u53d6\u6216\u521b\u5efa\u5177\u6709\u6307\u5b9a\u540d\u79f0\u7684\u8ddf\u8e2a\u5668\u3002\u53ef\u4ee5\u901a\u8fc7\u4f20\u9012 traceroption \u53c2\u6570\u6765\u914d\u7f6e\u8ddf\u8e2a\u5668\u884c\u4e3a\u3002\u8fd9\u4e9b\u9009\u9879\u901a\u5e38\u7528\u4e8e\u5b9a\u5236\u91c7\u6837\u3001\u65e5\u5fd7\u8bb0\u5f55\u548c\u5bfc\u51fa\u884c\u4e3a\u3002,\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5728 OpenTelemetry \u4e2d\uff0cotel.Tracer(name) \u51fd\u6570\u662f\u5982\u4f55\u521b\u5efa\u548c\u914d\u7f6e\u8ddf\u8e2a\u5668\u7684\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01,opts: \u53ef\u9009\u7684\u8ddf\u8e2a\u5668\u9009\u9879\uff0c\u7528\u4e8e\u914d\u7f6e\u8ddf\u8e2a\u5668\u884c\u4e3a\u3002,name: \u8ddf\u8e2a\u5668\u540d\u79f0\u3002,otel.tracer(name) \u6e90\u7801\u89e3\u6790,\u4f60\u5728\u5b66\u4e60<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5728 OpenTelemetry \u4e2d\uff0cotel.Tracer(name) \u51fd\u6570\u662f\u5982\u4f55\u521b\u5efa\u548c\u914d\u7f6e\u8ddf\u8e2a\u5668\u7684\uff1f\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<br \/>\n<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>\u5728 OpenTelemetry \u4e2d\uff0cotel.Tracer(name) \u51fd\u6570\u662f\u5982\u4f55\u521b\u5efa\u548c\u914d\u7f6e\u8ddf\u8e2a\u5668\u7684\uff1f<\/span><\/p>\n<h1>\u5728 OpenTelemetry \u4e2d\uff0cotel.Tracer(name) \u51fd\u6570\u662f\u5982\u4f55\u521b\u5efa\u548c\u914d\u7f6e\u8ddf\u8e2a\u5668\u7684\uff1f<\/h1>\n<p><span>2024-11-13 10:09:59<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4f60\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">GOLANG<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u5728 OpenTelemetry \u4e2d\uff0cotel.Tracer(name) \u51fd\u6570\u662f\u5982\u4f55\u521b\u5efa\u548c\u914d\u7f6e\u8ddf\u8e2a\u5668\u7684\uff1f\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241113\/173146378067340a6484e86.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>otel.tracer(name) \u6e90\u7801\u89e3\u6790<\/strong><\/p>\n<p>\u5728 opentelemetry \u6e90\u7801\u4e2d\uff0cotel.tracer(name) \u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u6216\u521b\u5efa\u5177\u6709\u6307\u5b9a\u540d\u79f0\u7684\u8ddf\u8e2a\u5668\u3002\u8ddf\u8e2a\u5668\u662f\u4e00\u4e2a\u8d1f\u8d23\u6536\u96c6\u8ddf\u8e2a\u4fe1\u606f\u7684\u7ec4\u4ef6\uff0c\u5305\u62ec\u8de8\u5ea6\u3001\u65e5\u5fd7\u548c\u4e8b\u4ef6\u7b49\u3002<\/p>\n<p><strong>\u51fd\u6570\u7b7e\u540d<\/strong><\/p>\n<pre>func tracer(name string, opts ...trace.traceroption) trace.tracer<\/pre>\n<ul>\n<li>name: \u8ddf\u8e2a\u5668\u540d\u79f0\u3002<\/li>\n<li>opts: \u53ef\u9009\u7684\u8ddf\u8e2a\u5668\u9009\u9879\uff0c\u7528\u4e8e\u914d\u7f6e\u8ddf\u8e2a\u5668\u884c\u4e3a\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u73b0<\/strong><\/p>\n<p>tracer \u51fd\u6570\u7684\u5b9e\u73b0\u4f4d\u4e8e tracer.go \u6587\u4ef6\u4e2d\u3002\u8be5\u51fd\u6570\u9996\u5148\u83b7\u53d6\u8ddf\u8e2a\u5668\u63d0\u4f9b\u7a0b\u5e8f\uff08tracerprovider\uff09\uff0c\u7136\u540e\u8c03\u7528 tracerprovider.tracer \u65b9\u6cd5\uff1a<\/p>\n<pre>func tracer(name string, opts ...trace.traceroption) trace.tracer {\n    return gettracerprovider().tracer(name, opts...)\n}<\/pre>\n<p><strong>tracerprovider.tracer() \u65b9\u6cd5<\/strong><\/p>\n<p>tracerprovider.tracer \u65b9\u6cd5\u67e5\u627e\u7ed9\u5b9a\u540d\u79f0\u7684\u8ddf\u8e2a\u5668\uff0c\u5982\u679c\u4e0d\u5b58\u5728\u5219\u521b\u5efa\u5b83\uff1a<\/p>\n<pre>func (p *tracerprovider) tracer(name string, opts ...trace.traceroption) trace.tracer {\n    \/\/ ...\n\n    c := trace.newtracerconfig(opts...)\n\n    \/\/ ...\n\n    if val, ok := p.tracers[key]; ok {\n        return val\n    }\n\n    \/\/ ...\n}<\/pre>\n<p><strong>newtracerconfig() \u51fd\u6570<\/strong><\/p>\n<p>newtracerconfig \u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u8ddf\u8e2a\u5668\u914d\u7f6e\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u6307\u5b9a\u8ddf\u8e2a\u5668\u7684\u5404\u79cd\u9009\u9879\uff0c\u4f8b\u5982\u91c7\u6837\u7387\u3001\u65e5\u5fd7\u7b49\u7ea7\u548c\u5bfc\u51fa\u5668\u3002<\/p>\n<pre>func newtracerconfig(options ...traceroption) tracerconfig {\n    var config tracerconfig\n    for _, option := range options {\n        config = option.apply(config)\n    }\n    return config\n}<\/pre>\n<p><strong>\u7591\u95ee\uff1aoption.apply(config) \u884c<\/strong><\/p>\n<p>\u5728 newtracerconfig \u51fd\u6570\u4e2d\uff0c\u6709\u4e00\u4e2a\u540d\u4e3a option.apply(config) \u7684\u884c\u3002\u8fd9\u4e2a option \u662f\u4e00\u4e2a\u5b9e\u73b0\u4e86 traceroption \u63a5\u53e3\u7684\u7c7b\u578b\u3002\u8be5\u63a5\u53e3\u6709\u4e00\u4e2a apply \u65b9\u6cd5\uff0c\u7528\u4e8e\u66f4\u65b0\u7ed9\u5b9a\u7684\u8ddf\u8e2a\u5668\u914d\u7f6e\uff1a<\/p>\n<pre>type TracerOption interface {\n    apply(TracerConfig) TracerConfig\n}<\/pre>\n<p><strong>\u603b\u7ed3<\/strong><\/p>\n<p>\u603b\u7684\u6765\u8bf4\uff0cotel.tracer() \u51fd\u6570\u5141\u8bb8\u7528\u6237\u83b7\u53d6\u6216\u521b\u5efa\u5177\u6709\u6307\u5b9a\u540d\u79f0\u7684\u8ddf\u8e2a\u5668\u3002\u53ef\u4ee5\u901a\u8fc7\u4f20\u9012 traceroption \u53c2\u6570\u6765\u914d\u7f6e\u8ddf\u8e2a\u5668\u884c\u4e3a\u3002\u8fd9\u4e9b\u9009\u9879\u901a\u5e38\u7528\u4e8e\u5b9a\u5236\u91c7\u6837\u3001\u65e5\u5fd7\u8bb0\u5f55\u548c\u5bfc\u51fa\u884c\u4e3a\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5728 OpenTelemetry \u4e2d\uff0cotel.Tracer(name) \u51fd\u6570\u662f\u5982\u4f55\u521b\u5efa\u548c\u914d\u7f6e\u8ddf\u8e2a\u5668\u7684\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u7528Python\u5b9e\u73b0\u8bcd\u7ec4\u7ea7\u7684TF-IDF\u8ba1\u7b97\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   SQL\u4f18\u5316\uff1a\u5982\u4f55\u4f18\u5316\u5305\u542b\u5b50\u67e5\u8be2\u7684\u67e5\u8be2\u8bed\u53e5\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u5728\u5b66\u4e60 GOLANG\u76f8\u5173\u7684\u77e5\u8bc6&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-206488","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206488","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=206488"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206488\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}