{"id":38164,"date":"2025-04-23T09:26:25","date_gmt":"2025-04-23T01:26:25","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=38164"},"modified":"2025-04-23T09:26:25","modified_gmt":"2025-04-23T01:26:25","slug":"opentelemetry%e7%9a%84spancollectorimplbuildercreate%e6%96%b9%e6%b3%95%e5%a6%82%e4%bd%95%e8%ae%a1%e7%ae%97span%e6%97%b6%e9%95%bf","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/38164.html","title":{"rendered":"OpenTelemetry\u7684SpanCollectorImplBuildercreate\u65b9\u6cd5\u5982\u4f55\u8ba1\u7b97Span\u65f6\u957f"},"content":{"rendered":"

\n

\"OpenTelemetry\u7684SpanCollectorImplBuildercreate\u65b9\u6cd5\u5982\u4f55\u8ba1\u7b97Span\u65f6\u957f\"<\/p>\n<\/p>\n

OpenTelemetry\u7684SpanCollectorImplBuilder create\u65b9\u6cd5\u5982\u4f55\u8ba1\u7b97Span\u65f6\u957f<\/h2>\n

\u4e00\u3001<\/h2>\n

\u5728\u73b0\u4ee3\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u4e86\u89e3\u548c\u4f18\u5316\u670d\u52a1\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002OpenTelemetry\u4f5c\u4e3a\u4e00\u79cd\u5f3a\u5927\u7684\u53ef\u89c2\u6d4b\u6027\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u8ffd\u8e2a\u3001\u6307\u6807\u548c\u65e5\u5fd7\u7684\u6807\u51c6\u5de5\u5177\u3002\u5176\u4e2d\uff0cSpan\u662fOpenTelemetry\u8ffd\u8e2a\u7684\u57fa\u672c\u6784\u5efa\u5757\uff0c\u7528\u4e8e\u8868\u793a\u670d\u52a1\u4e2d\u7684\u64cd\u4f5c\u3002\u800cSpanCollectorImplBuilder\u7684create\u65b9\u6cd5\u5728\u8ba1\u7b97Span\u65f6\u957f\u65b9\u9762\u626e\u6f14\u4e86\u91cd\u8981\u89d2\u8272\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u8be5\u65b9\u6cd5\u5982\u4f55\u7cbe\u786e\u8ba1\u7b97Span\u65f6\u957f\uff0c\u4ee5\u53ca\u5176\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u610f\u4e49\u3002<\/p>\n

\u4e8c\u3001\u8be6\u7ec6\u9610\u8ff0<\/h2>\n

1. Span\u548cSpanContext<\/h2>\n

\u5728\u6df1\u5165\u4e86\u89e3create\u65b9\u6cd5\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5148\u7406\u89e3Span\u548cSpanContext\u7684\u6982\u5ff5\u3002<\/p>\n

  • Span<\/strong>\uff1a\u4ee3\u8868\u670d\u52a1\u4e2d\u7684\u4e00\u4e2a\u64cd\u4f5c\u6216\u5de5\u4f5c\u5355\u5143\uff0c\u5177\u6709\u5f00\u59cb\u65f6\u95f4\u548c\u6301\u7eed\u65f6\u95f4\u3002<\/li>\n
  • SpanContext<\/strong>\uff1a\u5305\u542b\u4e0e\u5206\u5e03\u5f0f\u8ffd\u8e2a\u76f8\u5173\u7684\u5143\u6570\u636e\uff0c\u5982Trace ID\u3001Span ID\u7b49\u3002<\/li>\n

    2. SpanCollectorImplBuilder create\u65b9\u6cd5<\/h2>\n

    `SpanCollectorImplBuilder`\u7684`create`\u65b9\u6cd5\u662f\u521b\u5efa`SpanCollector`\u5b9e\u4f8b\u7684\u5173\u952e\u6b65\u9aa4\u3002\u8fd9\u4e2a\u65b9\u6cd5\u6d89\u53ca\u5230\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec`TracerSdkProvider`\u3001`SpanProcessor`\u548c`ReadableSpan`\u3002<\/p>\n

  • TracerSdkProvider<\/strong>\uff1a\u8d1f\u8d23\u521b\u5efa\u548c\u7ba1\u7406`Tracer`\u5b9e\u4f8b\uff0c\u662f\u8ffd\u8e2a\u7684\u5165\u53e3\u70b9\u3002<\/li>\n
  • SpanProcessor<\/strong>\uff1a\u5b9a\u4e49\u4e86\u5982\u4f55\u5904\u7406`Span`\uff0c\u4f8b\u5982\u91c7\u6837\u3001\u5bfc\u51fa\u7b49\u3002<\/li>\n
  • ReadableSpan<\/strong>\uff1a\u63d0\u4f9b\u4e86\u5bf9`Span`\u6570\u636e\u7684\u53ea\u8bfb\u8bbf\u95ee\u3002<\/li>\n

    3. \u8ba1\u7b97Span\u65f6\u957f<\/h2>\n

    \u5728create\u65b9\u6cd5\u4e2d\uff0c\u8ba1\u7b97Span\u65f6\u957f\u7684\u6838\u5fc3\u903b\u8f91\u5728\u4e8e\u83b7\u53d6Span\u7684\u5f00\u59cb\u65f6\u95f4\u548c\u7ed3\u675f\u65f6\u95f4\uff0c\u5e76\u8ba1\u7b97\u5b83\u4eec\u4e4b\u95f4\u7684\u5dee\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5316\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

    java<\/p>\n

    public class SpanCollectorImplBuilder {<\/p>\n

    public SpanCollector create(TracerSdkProvider tracerProvider, SpanProcessor spanProcessor, ReadableSpan span) {<\/p>\n

    long startTime = span.getStartEpochNanos;<\/p>\n

    long endTime = System.nanoTime;<\/p>\n

    long duration = endTime<\/p>\n

  • startTime;<\/li>\n

    \/\/ \u5176\u4ed6\u521d\u59cb\u5316\u903b\u8f91…<\/p>\n

    return new SpanCollector(tracerProvider, spanProcessor, span, duration);<\/p>\n

    \u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7`span.getStartEpochNanos`\u65b9\u6cd5\u83b7\u53d6Span\u7684\u5f00\u59cb\u65f6\u95f4\uff0c\u4f7f\u7528`System.nanoTime`\u83b7\u53d6\u5f53\u524d\u65f6\u95f4\u4f5c\u4e3a\u7ed3\u675f\u65f6\u95f4\uff0c\u7136\u540e\u8ba1\u7b97\u4e24\u8005\u7684\u5dee\u503c\u5f97\u5230Span\u7684\u6301\u7eed\u65f6\u95f4\u3002<\/p>\n

    4. \u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u8003\u91cf<\/h2>\n

    \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8ba1\u7b97Span\u65f6\u957f\u8fd8\u9700\u8981\u8003\u8651\u66f4\u591a\u56e0\u7d20\uff1a<\/p>\n

  • \u65f6\u949f\u540c\u6b65<\/strong>\uff1a\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u4e0d\u540c\u8282\u70b9\u7684\u65f6\u949f\u53ef\u80fd\u5b58\u5728\u504f\u5dee\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528\u65f6\u949f\u540c\u6b65\u673a\u5236\uff08\u5982NTP\uff09\u6765\u786e\u4fdd\u65f6\u95f4\u7684\u51c6\u786e\u6027\u3002<\/li>\n
  • \u5e76\u53d1\u548c\u5e76\u884c<\/strong>\uff1a\u5728\u591a\u7ebf\u7a0b\u6216\u5f02\u6b65\u73af\u5883\u4e2d\uff0c\u9700\u8981\u786e\u4fdd\u65f6\u95f4\u8ba1\u7b97\u7684\u539f\u5b50\u6027\u548c\u4e00\u81f4\u6027\uff0c\u9632\u6b62\u6570\u636e\u7ade\u4e89\u548c\u4e0d\u4e00\u81f4\u6027\u3002<\/li>\n
  • \u8d44\u6e90\u6d88\u8017<\/strong>\uff1a\u9891\u7e41\u7684\u65f6\u95f4\u83b7\u53d6\u548c\u8ba1\u7b97\u53ef\u80fd\u4f1a\u6d88\u8017\u4e00\u5b9a\u7684\u7cfb\u7edf\u8d44\u6e90\uff0c\u9700\u8981\u5408\u7406\u8bc4\u4f30\u548c\u4f18\u5316\uff0c\u4ee5\u907f\u514d\u5bf9\u7cfb\u7edf\u6027\u80fd\u4ea7\u751f\u91cd\u5927\u5f71\u54cd\u3002<\/li>\n

    \u901a\u8fc7\u6df1\u5165\u5206\u6790OpenTelemetry\u7684SpanCollectorImplBuilder create\u65b9\u6cd5\uff0c\u6211\u4eec\u8be6\u7ec6\u4e86\u89e3\u4e86\u5982\u4f55\u8ba1\u7b97Span\u65f6\u957f\u3002\u8fd9\u4e00\u8fc7\u7a0b\u4e0d\u4ec5\u6d89\u53ca\u7b80\u5355\u7684\u65f6\u95f4\u6233\u76f8\u51cf\uff0c\u8fd8\u9700\u8981\u8003\u8651\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u7684\u5404\u79cd\u590d\u6742\u60c5\u51b5\uff0c\u5982\u65f6\u949f\u540c\u6b65\u548c\u8d44\u6e90\u6d88\u8017\u3002\u51c6\u786e\u8ba1\u7b97Span\u65f6\u957f\u6709\u52a9\u4e8e\u6211\u4eec\u66f4\u597d\u5730\u7406\u89e3\u670d\u52a1\u5185\u90e8\u7684\u64cd\u4f5c\u6d41\u7a0b\uff0c\u53d1\u73b0\u6f5c\u5728\u7684\u6027\u80fd\u74f6\u9888\uff0c\u4ece\u800c\u4f18\u5316\u7cfb\u7edf\u6027\u80fd\u3002\u672a\u6765\u7684\u7814\u7a76\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63a2\u7d22\u5982\u4f55\u66f4\u9ad8\u6548\u5730\u8fdb\u884c\u65f6\u95f4\u8ba1\u7b97\uff0c\u4ee5\u53ca\u5982\u4f55\u7ed3\u5408\u5176\u4ed6\u6027\u80fd\u6307\u6807\u8fdb\u884c\u7efc\u5408\u5206\u6790\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    OpenTelemetry\u7684SpanCollectorImplBuilder create\u65b9\u6cd5\u5982\u4f55\u8ba1\u7b97Span\u65f6\u957f \u4e00\u3001 \u5728\u73b0\u4ee3\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\uff0c\u4e86\u89e3\u548c\u4f18\u5316\u670d\u52a1\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002OpenTelemetry\u4f5c\u4e3a\u4e00\u79cd\u5f3a\u5927\u7684\u53ef\u89c2\u6d4b\u6027\u6846\u67b6\uff0c\u63d0\u4f9b\u4e86\u8ffd\u8e2a\u3001\u6307\u6807\u548c\u65e5\u5fd7\u7684\u6807\u51c6\u5de5\u5177\u3002\u5176\u4e2d\uff0cSpan\u662fOpenTelemetry\u8ffd\u8e2a\u7684\u57fa\u672c\u6784\u5efa\u5757\uff0c\u7528\u4e8e\u8868\u793a\u670d\u52a1\u4e2d\u7684\u64cd\u4f5c\u3002\u800cSpanCollectorImplBuilder\u7684create\u65b9\u6cd5\u5728\u8ba1\u7b97Span\u65f6\u957f\u65b9\u9762\u626e\u6f14\u4e86\u91cd\u8981\u89d2\u8272\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u8be5\u65b9\u6cd5\u5982\u4f55\u7cbe\u786e\u8ba1\u7b97Span\u65f6\u957f\uff0c\u4ee5\u53ca\u5176\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u610f\u4e49\u3002 \u4e8c\u3001\u8be6\u7ec6\u9610\u8ff0 1. Span\u548cSpanContext \u5728\u6df1\u5165\u4e86\u89e3create\u65b9\u6cd5\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5148\u7406\u89e3Span\u548cSpanContext\u7684\u6982\u5ff5\u3002 Span\uff1a\u4ee3\u8868\u670d\u52a1\u4e2d\u7684\u4e00\u4e2a\u64cd\u4f5c\u6216\u5de5\u4f5c\u5355\u5143\uff0c\u5177\u6709\u5f00\u59cb\u65f6\u95f4\u548c\u6301\u7eed\u65f6\u95f4\u3002 SpanContext\uff1a\u5305\u542b\u4e0e\u5206\u5e03\u5f0f\u8ffd\u8e2a\u76f8\u5173\u7684\u5143\u6570\u636e\uff0c\u5982Trace ID\u3001Span ID\u7b49\u3002 2. SpanCollectorImplBuilder create\u65b9\u6cd5 `SpanCollectorImplBuilder`\u7684`create`\u65b9\u6cd5\u662f\u521b\u5efa`SpanCollector`\u5b9e\u4f8b\u7684\u5173\u952e\u6b65\u9aa4\u3002\u8fd9\u4e2a\u65b9\u6cd5\u6d89\u53ca\u5230\u591a\u4e2a\u53c2\u6570\uff0c\u5305\u62ec`TracerSdkProvider`\u3001`SpanProcessor`\u548c`ReadableSpan`\u3002 TracerSdkProvider\uff1a\u8d1f\u8d23\u521b\u5efa\u548c\u7ba1\u7406`Tracer`\u5b9e\u4f8b\uff0c\u662f\u8ffd\u8e2a\u7684\u5165\u53e3\u70b9\u3002 SpanProcessor\uff1a\u5b9a\u4e49\u4e86\u5982\u4f55\u5904\u7406`Span`\uff0c\u4f8b\u5982\u91c7\u6837\u3001\u5bfc\u51fa\u7b49\u3002 ReadableSpan\uff1a\u63d0\u4f9b\u4e86\u5bf9`Span`\u6570\u636e\u7684\u53ea\u8bfb\u8bbf\u95ee\u3002 3. \u8ba1\u7b97Span\u65f6\u957f \u5728create\u65b9\u6cd5\u4e2d\uff0c\u8ba1\u7b97Span\u65f6\u957f\u7684\u6838\u5fc3\u903b\u8f91\u5728\u4e8e\u83b7\u53d6Span\u7684\u5f00\u59cb\u65f6\u95f4\u548c\u7ed3\u675f\u65f6\u95f4\uff0c\u5e76\u8ba1\u7b97\u5b83\u4eec\u4e4b\u95f4\u7684\u5dee\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5316\u7684\u793a\u4f8b\u4ee3\u7801\uff1a java public class SpanCollectorImplBuilder { public SpanCollector create(TracerSdkProvider tracerProvider, SpanProcessor spanProcessor, ReadableSpan span) { long startTime = span.getStartEpochNanos; long endTime = System.nanoTime; long duration = endTime startTime; \/\/ \u5176\u4ed6\u521d\u59cb\u5316\u903b\u8f91… return new SpanCollector(tracerProvider, spanProcessor, […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-38164","post","type-post","status-publish","format-standard","hentry","category-discussion"],"_links":{"self":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/38164","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/comments?post=38164"}],"version-history":[{"count":1,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/38164\/revisions"}],"predecessor-version":[{"id":38165,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/posts\/38164\/revisions\/38165"}],"wp:attachment":[{"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/media?parent=38164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/categories?post=38164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yunshan.net\/blog\/wp-json\/wp\/v2\/tags?post=38164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}