{"id":35726,"date":"2025-03-19T10:29:57","date_gmt":"2025-03-19T02:29:57","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=35726"},"modified":"2025-03-19T10:29:57","modified_gmt":"2025-03-19T02:29:57","slug":"skywalking-%e7%9a%84%e6%8e%a2%e9%92%88%ef%bc%88agent%ef%bc%89%e6%98%af%e5%a6%82%e4%bd%95%e5%b7%a5%e4%bd%9c%e7%9a%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/35726.html","title":{"rendered":"SkyWalking \u7684\u63a2\u9488\uff08Agent\uff09\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f"},"content":{"rendered":"

\n

\"SkyWalking<\/p>\n<\/p>\n

\n

\u524d\u8a00<\/strong>
\n\u5728\u5206\u5e03\u5f0f\u67b6\u6784\u4e3b\u5bfc\u7684\u73b0\u4ee3\u8f6f\u4ef6\u5f00\u53d1\u4e2d\uff0c\u7cfb\u7edf\u6027\u80fd\u76d1\u63a7\u4e0e\u94fe\u8def\u8ffd\u8e2a\u5df2\u6210\u4e3a\u4fdd\u969c\u670d\u52a1\u7a33\u5b9a\u6027\u7684\u6838\u5fc3\u9700\u6c42\u3002\u9762\u5bf9\u590d\u6742\u7684\u5fae\u670d\u52a1\u8c03\u7528\u94fe<\/a>\u3001\u8de8\u7cfb\u7edf\u7684\u8d44\u6e90\u4ea4\u4e92\uff0c\u5f00\u53d1\u8005\u9700\u8981\u4e00\u79cd\u8f7b\u91cf\u4e14\u9ad8\u6548\u7684\u5de5\u5177\u6765\u6d1e\u5bdf\u4ee3\u7801\u8fd0\u884c\u7684\u5168\u8c8c\u3002SkyWalking<\/a><\/strong>\uff0c\u4f5c\u4e3a\u4e00\u6b3e\u5f00\u6e90\u7684APM\uff08\u5e94\u7528\u6027\u80fd\u7ba1\u7406<\/a>\uff09\u7cfb\u7edf\uff0c\u51ed\u501f\u5176\u65e0\u4fb5\u5165\u5f0f\u7684\u63a2\u9488\uff08Agent\uff09\u6280\u672f\u8131\u9896\u800c\u51fa\u3002\u672c\u6587\u5c06\u4ece\u5e95\u5c42\u539f\u7406\u5230\u5b9e\u9645\u5e94\u7528\uff0c\u6df1\u5165\u89e3\u6790SkyWalking<\/a> Agent\u5982\u4f55\u5b9e\u73b0\u4ee3\u7801\u65e0\u75d5\u63d2\u6869\u3001\u6570\u636e\u91c7\u96c6\u4e0e\u6027\u80fd\u5206\u6790<\/strong>\uff0c\u4e3a\u5f00\u53d1\u8005\u63ed\u5f00\u5176\u9ad8\u6548\u8fd0\u4f5c\u7684\u795e\u79d8\u9762\u7eb1\u3002<\/p>\n

\n

\u4e00\u3001SkyWalking Agent\u7684\u6838\u5fc3\u7406\u5ff5\uff1a\u65e0\u4fb5\u5165\u5f0f\u7684\u4ee3\u7801\u76d1\u63a7<\/h3>\n

\u4f20\u7edf\u76d1\u63a7\u5de5\u5177\u5e38\u56e0\u4ee3\u7801\u4fb5\u5165\u6027\u5f3a\u3001\u6027\u80fd\u635f\u8017\u5927\u800c\u9971\u53d7\u8bdf\u75c5\uff0c\u800cSkyWalking Agent\u901a\u8fc7\u5b57\u8282\u7801\u589e\u5f3a\u6280\u672f\uff08Bytecode Enhancement\uff09<\/strong>\uff0c\u5b9e\u73b0\u4e86\u5bf9\u5e94\u7528\u7a0b\u5e8f\u7684\u201c\u96f6\u4fb5\u5165\u201d\u76d1\u63a7\u3002\u8fd9\u610f\u5473\u7740\u5f00\u53d1\u8005\u65e0\u9700\u4fee\u6539\u4e1a\u52a1\u4ee3\u7801\uff0c\u4ec5\u9700\u5728\u542f\u52a8\u53c2\u6570\u4e2d\u52a0\u8f7dAgent\uff0c\u5373\u53ef\u81ea\u52a8\u5b8c\u6210\u76d1\u63a7\u80fd\u529b\u7684\u6ce8\u5165\u3002<\/p>\n

\u5b57\u8282\u7801\u589e\u5f3a<\/strong>\u7684\u672c\u8d28\u662f\u5728Java\u7c7b\u52a0\u8f7d\u8fc7\u7a0b\u4e2d\uff0c\u52a8\u6001\u4fee\u6539\u76ee\u6807\u7c7b\u7684\u4e8c\u8fdb\u5236\u4ee3\u7801\u3002\u4f8b\u5982\uff0c\u5f53\u5e94\u7528\u542f\u52a8\u65f6\uff0cAgent\u4f1a\u901a\u8fc7Java Instrumentation API\u7684premain<\/code>\u65b9\u6cd5\uff0c\u62e6\u622a\u5e76\u91cd\u5199\u5982HTTP\u8bf7\u6c42\u5904\u7406\u3001\u6570\u636e\u5e93\u8c03\u7528\u7b49\u5173\u952e\u65b9\u6cd5\u7684\u5b57\u8282\u7801\uff0c\u63d2\u5165\u57cb\u70b9\u903b\u8f91\u3002\u8fd9\u79cd\u201c\u624b\u672f\u5200\u5f0f\u201d\u7684\u4fee\u6539\uff0c\u4f7f\u5f97Agent\u80fd\u591f\u7cbe\u51c6\u6355\u83b7\u65b9\u6cd5\u6267\u884c\u65f6\u95f4\u3001\u8c03\u7528\u53c2\u6570\u53ca\u5f02\u5e38\u4fe1\u606f\uff0c\u540c\u65f6\u907f\u514d\u5bf9\u4e1a\u52a1\u903b\u8f91\u7684\u5e72\u6270\u3002<\/p>\n

\n

\u4e8c\u3001Agent\u7684\u5de5\u4f5c\u6d41\u7a0b\uff1a\u4ece\u6570\u636e\u91c7\u96c6\u5230\u5206\u6790\u94fe\u8def<\/h3>\n

SkyWalking Agent\u7684\u6838\u5fc3\u4efb\u52a1\u53ef\u5206\u89e3\u4e3a\u6570\u636e\u91c7\u96c6\u3001\u4e0a\u4e0b\u6587\u4f20\u9012\u3001\u6570\u636e\u4e0a\u62a5<\/strong>\u4e09\u5927\u9636\u6bb5\u3002\u4ee5\u4e0b\u662f\u5176\u5b8c\u6574\u5de5\u4f5c\u6d41\u7a0b\u7684\u62c6\u89e3\uff1a<\/p>\n

    \n
  1. \n

    \u542f\u52a8\u52a0\u8f7d\u4e0e\u914d\u7f6e\u521d\u59cb\u5316<\/strong>
    \n\u5f53\u5e94\u7528\u542f\u52a8\u65f6\uff0c\u901a\u8fc7-javaagent<\/code>\u53c2\u6570\u6302\u8f7dAgent\u3002Agent\u4f1a\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\uff08\u5982agent.config<\/code>\uff09\uff0c\u786e\u5b9a\u4e0a\u62a5\u7684\u540e\u7aef\u670d\u52a1\u5730\u5740\uff08OAP Server\uff09\u3001\u91c7\u6837\u7387\u3001\u65e5\u5fd7\u7ea7\u522b\u7b49\u53c2\u6570\u3002\u8fd9\u4e00\u8fc7\u7a0b\u5b8c\u5168\u81ea\u52a8\u5316\uff0c\u5f00\u53d1\u8005\u53ea\u9700\u5173\u6ce8\u5fc5\u8981\u914d\u7f6e\u9879\u7684\u8c03\u6574\u3002<\/p>\n<\/li>\n

  2. \n

    \u5b57\u8282\u7801\u6ce8\u5165\u4e0e\u57cb\u70b9\u903b\u8f91\u690d\u5165<\/strong>
    \nAgent\u901a\u8fc7\u63d2\u4ef6\u673a\u5236\u652f\u6301\u591a\u79cd\u6846\u67b6\uff08\u5982Spring Boot\u3001Dubbo\u3001MySQL JDBC\uff09\u3002\u4ee5Dubbo\u670d\u52a1\u8c03\u7528\u4e3a\u4f8b\uff0cAgent\u4f1a\u5728InvokerInvocationHandler<\/code>\u7c7b\u7684\u65b9\u6cd5\u4e2d\u63d2\u5165\u8ffd\u8e2a\u4ee3\u7801\uff0c\u8bb0\u5f55\u8c03\u7528\u5f00\u59cb\u65f6\u95f4\u3001\u670d\u52a1\u540d\u79f0\u3001\u76ee\u6807\u5730\u5740\u7b49\u4fe1\u606f\uff0c\u5e76\u751f\u6210\u5168\u5c40\u552f\u4e00\u7684Trace ID<\/strong>\u548cSpan ID<\/strong>\uff0c\u6784\u5efa\u5b8c\u6574\u7684\u8c03\u7528\u94fe\u4e0a\u4e0b\u6587\u3002<\/p>\n<\/li>\n

  3. \n

    \u4e0a\u4e0b\u6587\u4f20\u9012\u4e0e\u8de8\u8fdb\u7a0b\u8ffd\u8e2a<\/strong>
    \n\u5728\u5206\u5e03\u5f0f\u573a\u666f\u4e2d\uff0c\u670d\u52a1\u95f4\u7684\u8c03\u7528\u53ef\u80fd\u8de8\u8d8a\u591a\u4e2a\u8fdb\u7a0b\u6216\u4e3b\u673a\u3002SkyWalking\u901a\u8fc7\u8de8\u8fdb\u7a0b\u4e0a\u4e0b\u6587\u4f20\u64ad\u534f\u8bae\uff08\u5982HTTP Header\u3001gRPC Metadata\uff09<\/strong>\uff0c\u5c06Trace ID\u548c\u5f53\u524dSpan ID\u6ce8\u5165\u5230\u8bf7\u6c42\u7684\u5934\u90e8\u4e2d\u3002\u4e0b\u6e38\u670d\u52a1\u63a5\u6536\u5230\u8bf7\u6c42\u540e\uff0cAgent\u81ea\u52a8\u89e3\u6790\u8fd9\u4e9b\u4fe1\u606f\u5e76\u521b\u5efa\u65b0\u7684Span\uff0c\u786e\u4fdd\u6574\u4e2a\u8c03\u7528\u94fe\u7684\u8fde\u7eed\u6027\u3002<\/p>\n<\/li>\n

  4. \n

    \u6570\u636e\u91c7\u6837\u4e0e\u4e0a\u62a5<\/strong>
    \n\u91c7\u96c6\u5230\u7684\u6027\u80fd\u6570\u636e\uff08\u5982Span\u3001\u6307\u6807\u3001\u65e5\u5fd7\uff09\u4f1a\u7ecf\u8fc7\u5f02\u6b65\u961f\u5217<\/strong>\u7f13\u51b2\uff0c\u5e76\u6309\u914d\u7f6e\u7684\u91c7\u6837\u7387\u8fc7\u6ee4\u3002\u968f\u540e\uff0cAgent\u901a\u8fc7gRPC\u534f\u8bae\u5c06\u6570\u636e\u6279\u91cf\u53d1\u9001\u81f3SkyWalking OAP Server\uff0c\u8fdb\u4e00\u6b65\u805a\u5408\u3001\u5b58\u50a8\u4e0e\u5206\u6790\u3002\u5f02\u6b65\u5904\u7406\u673a\u5236<\/strong>\u663e\u8457\u964d\u4f4e\u4e86\u76d1\u63a7\u5bf9\u5e94\u7528\u6027\u80fd\u7684\u5f71\u54cd\uff0c\u5373\u4f7f\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\uff0c\u989d\u5916\u8d44\u6e90\u6d88\u8017\u901a\u5e38\u63a7\u5236\u57283%\u4ee5\u5185\u3002<\/p>\n<\/li>\n<\/ol>\n

    \n

    \u4e09\u3001\u6027\u80fd\u4f18\u5316\uff1aAgent\u5982\u4f55\u505a\u5230\u4f4e\u5f00\u9500<\/h3>\n

    \u8bb8\u591a\u5f00\u53d1\u8005\u62c5\u5fe7Agent\u5f15\u5165\u7684\u6027\u80fd\u635f\u8017\uff0c\u4f46SkyWalking\u901a\u8fc7\u4ee5\u4e0b\u8bbe\u8ba1\u5b9e\u73b0\u4e86\u9ad8\u6548\u4e0e\u4f4e\u5f00\u9500\u7684\u5e73\u8861<\/strong>\uff1a<\/p>\n

      \n
    • \u8f7b\u91cf\u7ea7\u57cb\u70b9<\/strong>\uff1a\u4ec5\u5bf9\u5173\u952e\u8def\u5f84\uff08\u5982HTTP\u5165\u53e3\u3001RPC\u8c03\u7528\u3001\u6570\u636e\u5e93\u8bbf\u95ee\uff09\u6ce8\u5165\u76d1\u63a7\u4ee3\u7801\uff0c\u907f\u514d\u5168\u91cf\u63d2\u6869\u3002\n<\/li>\n
    • \u5f02\u6b65\u5316\u5904\u7406<\/strong>\uff1a\u6570\u636e\u4e0a\u62a5\u4e0e\u4e1a\u52a1\u903b\u8f91\u6267\u884c\u5206\u79bb\uff0c\u901a\u8fc7\u72ec\u7acb\u7684\u7ebf\u7a0b\u6c60\u5904\u7406\uff0c\u907f\u514d\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002\n<\/li>\n
    • \u81ea\u9002\u5e94\u91c7\u6837<\/strong>\uff1a\u652f\u6301\u6309\u6d41\u91cf\u6bd4\u4f8b\u91c7\u6837\uff0c\u4f8b\u5982\u4ec5\u8ffd\u8e2a1%\u7684\u8bf7\u6c42\uff0c\u5728\u8d44\u6e90\u6709\u9650\u65f6\u4ecd\u80fd\u63d0\u4f9b\u4ee3\u8868\u6027\u6570\u636e\u3002\n<\/li>\n
    • \u672c\u5730\u7f13\u5b58<\/strong>\uff1a\u9891\u7e41\u8bbf\u95ee\u7684\u5143\u6570\u636e\uff08\u5982\u670d\u52a1\u540d\u79f0\u3001\u5b9e\u4f8bID\uff09\u7f13\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u51cf\u5c11\u91cd\u590d\u8ba1\u7b97\u3002\n<\/li>\n<\/ul>\n

      \u5b9e\u9645\u6d4b\u8bd5\u8868\u660e\uff0c\u5728Tomcat+Spring Boot\u7684\u5178\u578b\u573a\u666f\u4e2d\uff0c\u542f\u7528SkyWalking Agent\u540e\uff0c\u5e94\u7528\u7684\u54cd\u5e94\u65f6\u95f4\u589e\u52a0\u4e0d\u8db35%\uff0c\u5185\u5b58\u5360\u7528\u589e\u957f\u7ea650MB\uff0c\u6027\u80fd\u5f71\u54cd\u5fae\u4e4e\u5176\u5fae\u3002<\/em><\/p>\n

      \n

      \u56db\u3001\u5e94\u7528\u573a\u666f\u4e0e\u5b9e\u6218\u4ef7\u503c<\/h3>\n

      SkyWalking Agent\u7684\u7075\u6d3b\u6027\u4f7f\u5176\u5e7f\u6cdb\u9002\u7528\u4e8e\u4ee5\u4e0b\u573a\u666f\uff1a<\/p>\n

        \n
      1. \u5fae\u670d\u52a1\u94fe\u8def\u8ffd\u8e2a<\/strong>\uff1a\u53ef\u89c6\u5316\u670d\u52a1\u95f4\u7684\u8c03\u7528\u5173\u7cfb\uff0c\u5feb\u901f\u5b9a\u4f4d\u6162\u8bf7\u6c42\u6216\u6545\u969c\u8282\u70b9\u3002\n<\/li>\n
      2. \u6162\u67e5\u8be2\u5206\u6790<\/strong>\uff1a\u901a\u8fc7SQL\u6267\u884c\u65f6\u95f4\u7edf\u8ba1\uff0c\u8bc6\u522b\u6570\u636e\u5e93\u6027\u80fd\u74f6\u9888\u3002\n<\/li>\n
      3. \u5f02\u5e38\u8bca\u65ad<\/strong>\uff1a\u7ed3\u5408\u65e5\u5fd7\u4e0eTrace\u6570\u636e\uff0c\u8fd8\u539f\u9519\u8bef\u53d1\u751f\u65f6\u7684\u5b8c\u6574\u4e0a\u4e0b\u6587\u3002\n<\/li>\n<\/ol>\n

        \u67d0\u7535\u5546\u5e73\u53f0\u5728\u4fc3\u9500\u671f\u95f4\u906d\u9047\u63a5\u53e3\u8d85\u65f6\u95ee\u9898\u3002\u901a\u8fc7SkyWalking\u7684\u62d3\u6251\u56fe<\/strong>\uff0c\u8fd0\u7ef4\u56e2\u961f\u8fc5\u901f\u53d1\u73b0\u67d0\u4e2a\u5546\u54c1\u670d\u52a1\u7684\u6570\u636e\u5e93\u67e5\u8be2\u5ef6\u8fdf\u9661\u589e\uff0c\u8fdb\u4e00\u6b65\u5206\u6790Span\u8be6\u60c5\u540e\uff0c\u5b9a\u4f4d\u5230\u672a\u52a0\u7d22\u5f15\u7684SQL\u8bed\u53e5\uff0c\u6700\u7ec8\u901a\u8fc7\u4f18\u5316\u7d22\u5f15\u5c06\u54cd\u5e94\u65f6\u95f4\u964d\u4f4e80%\u3002<\/p>\n

        \n

        \u4e94\u3001\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879<\/h3>\n

        \u5c3d\u7ba1SkyWalking Agent\u8bbe\u8ba1\u7cbe\u826f\uff0c\u4ecd\u9700\u6ce8\u610f\u4ee5\u4e0b\u5b9e\u8df5\u7ec6\u8282\uff1a<\/p>\n

          \n
        • \u7248\u672c\u517c\u5bb9\u6027<\/strong>\uff1a\u786e\u4fddAgent\u4e0eOAP Server\u3001\u6240\u76d1\u63a7\u6846\u67b6\u7684\u7248\u672c\u5339\u914d\uff0c\u907f\u514d\u56e0API\u53d8\u66f4\u5bfc\u81f4\u529f\u80fd\u5f02\u5e38\u3002\n<\/li>\n
        • \u914d\u7f6e\u8c03\u4f18<\/strong>\uff1a\u6839\u636e\u4e1a\u52a1\u89c4\u6a21\u8c03\u6574\u4e0a\u62a5\u6279\u6b21\u5927\u5c0f\u3001\u961f\u5217\u5bb9\u91cf\u7b49\u53c2\u6570\uff0c\u9632\u6b62\u5185\u5b58\u6ea2\u51fa\u6216\u6570\u636e\u4e22\u5931\u3002\n<\/li>\n
        • \u8d44\u6e90\u76d1\u63a7<\/strong>\uff1aAgent\u672c\u8eab\u5360\u7528\u8d44\u6e90\u8f83\u4f4e\uff0c\u4f46\u4ecd\u9700\u5173\u6ce8JVM\u5185\u5b58\u4e0e\u7ebf\u7a0b\u6570\uff0c\u907f\u514d\u6781\u7aef\u573a\u666f\u4e0b\u7684\u8d44\u6e90\u4e89\u62a2\u3002\n<\/li>\n<\/ul>\n
          \n

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