{"id":35940,"date":"2025-03-26T13:57:29","date_gmt":"2025-03-26T05:57:29","guid":{"rendered":"https:\/\/www.yunshan.net\/blog\/?p=35940"},"modified":"2025-03-26T13:57:29","modified_gmt":"2025-03-26T05:57:29","slug":"%e6%9c%8d%e5%8a%a1%e8%b0%83%e7%94%a8%e9%93%be%e4%b8%ad%e7%9a%84%e6%9c%8d%e5%8a%a1%e7%86%94%e6%96%ad%e6%9c%ba%e5%88%b6%e6%98%af%e4%bb%80%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yunshan.net\/blog\/archives\/35940.html","title":{"rendered":"\u670d\u52a1\u8c03\u7528\u94fe\u4e2d\u7684\u670d\u52a1\u7194\u65ad\u673a\u5236\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\n

\"\u670d\u52a1\u8c03\u7528\u94fe\u4e2d\u7684\u670d\u52a1\u7194\u65ad\u673a\u5236\u662f\u4ec0\u4e48\uff1f\"<\/p>\n<\/p>\n

\n

\u5728\u6570\u5b57\u5316\u6d6a\u6f6e\u5e2d\u5377\u5168\u7403\u7684\u4eca\u5929\uff0c\u5fae\u670d\u52a1\u67b6\u6784\u5df2\u6210\u4e3a\u6784\u5efa\u590d\u6742\u7cfb\u7edf\u7684\u6807\u51c6\u8303\u5f0f\u3002\u5f53\u7528\u6237\u70b9\u51fb\u624b\u673aAPP\u7684”\u7acb\u5373\u8d2d\u4e70”\u6309\u94ae\uff0c\u8fd9\u4e2a\u7b80\u5355\u7684\u64cd\u4f5c\u80cc\u540e\u53ef\u80fd\u6d89\u53ca\u652f\u4ed8\u7f51\u5173\u3001\u5e93\u5b58\u7cfb\u7edf\u3001\u7269\u6d41\u63a5\u53e3\u7b49\u5341\u4f59\u4e2a\u670d\u52a1\u7684\u534f\u540c\u4f5c\u4e1a\u3002\u670d\u52a1\u8c03\u7528\u94fe<\/a><\/strong>\u5982\u540c\u7cbe\u5bc6\u7684\u9f7f\u8f6e\u7ec4\uff0c\u4efb\u4e00\u8282\u70b9\u7684\u5f02\u5e38\u90fd\u53ef\u80fd\u5f15\u53d1\u8fde\u9501\u53cd\u5e94\u2014\u2014\u53bb\u5e74\u67d0\u7535\u5546\u5e73\u53f0”\u53cc\u5341\u4e00”\u56e0\u5355\u4e2a\u670d\u52a1\u5ef6\u8fdf\u5bfc\u81f4\u5168\u7ad9\u762b\u75ea\u7684\u4e8b\u6545\uff0c\u6b63\u662f\u8fd9\u79cd\u98ce\u9669\u7684\u6b8b\u9177\u5370\u8bc1\u3002\u5728\u8fd9\u6837\u7684\u80cc\u666f\u4e0b\uff0c\u670d\u52a1\u7194\u65ad\u673a\u5236<\/strong>\u4f5c\u4e3a\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684”\u7d27\u6025\u5236\u52a8\u88c5\u7f6e”\uff0c\u6b63\u6210\u4e3a\u4fdd\u969c\u7cfb\u7edf\u97e7\u6027\u7684\u5173\u952e\u6280\u672f\u3002<\/p>\n

\n

\u4e00\u3001\u670d\u52a1\u8c03\u7528\u94fe<\/a>\u7684\u8106\u5f31\u6027\u4e0e\u7194\u65ad\u673a\u5236\u7684\u8bde\u751f<\/h3>\n

\u5728\u5178\u578b\u7684\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u670d\u52a1\u95f4\u7684\u4f9d\u8d56\u5173\u7cfb\u5f62\u6210\u590d\u6742\u7684\u7f51\u72b6\u7ed3\u6784\u3002\u5f53\u7528\u6237\u8bf7\u6c42\u9700\u8981\u7ecf\u8fc7\u591a\u4e2a\u670d\u52a1\u8282\u70b9\u624d\u80fd\u5b8c\u6210\u65f6\uff0c\u5c31\u5f62\u6210\u4e86\u670d\u52a1\u8c03\u7528\u94fe<\/strong>\u3002\u8fd9\u79cd\u67b6\u6784\u867d\u7136\u63d0\u5347\u4e86\u5f00\u53d1\u6548\u7387\u548c\u7cfb\u7edf\u6269\u5c55\u6027\uff0c\u4f46\u4e5f\u5f15\u5165\u4e86\u65b0\u7684\u98ce\u9669\uff1a\u5047\u8bbe\u8ba2\u5355\u670d\u52a1\u4f9d\u8d56\u5e93\u5b58\u670d\u52a1\uff0c\u800c\u5e93\u5b58\u670d\u52a1\u53c8\u4f9d\u8d56\u4ed3\u50a8\u7cfb\u7edf\uff0c\u5f53\u4ed3\u50a8\u7cfb\u7edf\u56e0\u786c\u4ef6\u6545\u969c\u54cd\u5e94\u7f13\u6162\u65f6\uff0c\u79ef\u538b\u7684\u8bf7\u6c42\u4f1a\u50cf\u591a\u7c73\u8bfa\u9aa8\u724c\u822c\u5411\u4e0a\u4f20\u5bfc\uff0c\u6700\u7ec8\u5bfc\u81f4\u6574\u4e2a\u8c03\u7528\u94fe\u5d29\u6e83\u3002<\/p>\n

\u7194\u65ad\u673a\u5236<\/strong>\u7684\u8bbe\u8ba1\u7075\u611f\u6e90\u81ea\u7535\u8def\u65ad\u8def\u5668\uff1a\u5f53\u7535\u6d41\u8fc7\u8f7d\u65f6\u81ea\u52a8\u5207\u65ad\u7535\u8def\uff0c\u907f\u514d\u8bbe\u5907\u635f\u574f\u30022011\u5e74Netflix\u5f00\u6e90\u7684Hystrix\u6846\u67b6\u9996\u6b21\u5c06\u8fd9\u4e00\u7406\u5ff5\u5f15\u5165\u8f6f\u4ef6\u9886\u57df\uff0c\u901a\u8fc7\u5b9e\u65f6\u76d1\u63a7\u670d\u52a1\u8c03\u7528\u72b6\u6001\uff0c\u5728\u5f02\u5e38\u8fbe\u5230\u9608\u503c\u65f6\u81ea\u52a8”\u7194\u65ad”\uff0c\u9632\u6b62\u6545\u969c\u6269\u6563\u3002\u8fd9\u79cd\u673a\u5236\u5982\u540c\u5728\u670d\u52a1\u95f4\u8bbe\u7f6e\u4e86\u667a\u80fd\u9694\u79bb\u5e26\uff0c\u786e\u4fdd\u5c40\u90e8\u6545\u969c\u4e0d\u4f1a\u6f14\u53d8\u4e3a\u7cfb\u7edf\u6027\u96ea\u5d29\u3002<\/p>\n

\n

\u4e8c\u3001\u7194\u65ad\u673a\u5236\u7684\u6838\u5fc3\u5de5\u4f5c\u539f\u7406<\/h3>\n

\u7194\u65ad\u5668\u6a21\u5f0f<\/strong>\u901a\u5e38\u5305\u542b\u4e09\u4e2a\u5173\u952e\u72b6\u6001\uff08\u56fe1\uff09\uff1a<\/p>\n

    \n
  1. \u5173\u95ed\u72b6\u6001\uff08Closed\uff09<\/strong>\uff1a\u6b63\u5e38\u5904\u7406\u6240\u6709\u8bf7\u6c42\uff0c\u6301\u7eed\u76d1\u63a7\u9519\u8bef\u7387\n<\/li>\n
  2. \u5f00\u542f\u72b6\u6001\uff08Open\uff09<\/strong>\uff1a\u76f4\u63a5\u62d2\u7edd\u6240\u6709\u8bf7\u6c42\uff0c\u8fdb\u5165\u6545\u969c\u6062\u590d\u671f\n<\/li>\n
  3. \u534a\u5f00\u72b6\u6001\uff08Half-Open\uff09<\/strong>\uff1a\u5c1d\u8bd5\u5141\u8bb8\u90e8\u5206\u8bf7\u6c42\u901a\u8fc7\uff0c\u68c0\u6d4b\u4f9d\u8d56\u670d\u52a1\u662f\u5426\u6062\u590d\n<\/li>\n<\/ol>\n

    \u5178\u578b\u7684\u7194\u65ad\u7b56\u7565\u5305\u542b\u4ee5\u4e0b\u53c2\u6570\u914d\u7f6e\uff1a<\/p>\n

      \n
    • \u6ed1\u52a8\u65f6\u95f4\u7a97\u53e3<\/strong>\uff1a\u7edf\u8ba1\u6700\u8fd130\u79d2\u5185\u7684\u8bf7\u6c42\u6570\u636e\n<\/li>\n
    • \u9519\u8bef\u7387\u9608\u503c<\/strong>\uff1a\u9ed8\u8ba450%\u7684\u5931\u8d25\u8bf7\u6c42\u6bd4\u4f8b\n<\/li>\n
    • \u6700\u5c0f\u8bf7\u6c42\u6570<\/strong>\uff1a\u7a97\u53e3\u671f\u5185\u81f3\u5c11\u9700\u89815\u6b21\u8c03\u7528\n<\/li>\n
    • \u7194\u65ad\u6301\u7eed\u65f6\u95f4<\/strong>\uff1a\u9996\u6b21\u7194\u65ad5\u79d2\uff0c\u540e\u7eed\u6309\u6307\u6570\u9000\u907f\u5ef6\u957f\n<\/li>\n<\/ul>\n

      \u5f53\u5e93\u5b58\u670d\u52a1\u7684\u9519\u8bef\u7387\u572830\u79d2\u5185\u8d85\u8fc750%\u4e14\u8bf7\u6c42\u91cf\u22655\u6b21\u65f6\uff0c\u7194\u65ad\u5668\u4f1a\u81ea\u52a8\u8df3\u95f8\uff0c\u540e\u7eed\u8bf7\u6c42\u76f4\u63a5\u8fd4\u56de\u9884\u8bbe\u7684\u964d\u7ea7\u54cd\u5e94\uff08\u5982”\u5e93\u5b58\u67e5\u8be2\u6682\u4e0d\u53ef\u7528”\uff09\u3002\u7ecf\u8fc7\u8bbe\u5b9a\u7684\u4f11\u7720\u671f\u540e\uff0c\u7cfb\u7edf\u4f1a\u8fdb\u5165\u534a\u5f00\u72b6\u6001\uff0c\u5c1d\u8bd5\u53d1\u9001\u5c11\u91cf\u63a2\u6d4b\u8bf7\u6c42\uff0c\u82e5\u6210\u529f\u5219\u5173\u95ed\u7194\u65ad\u5668\uff0c\u5426\u5219\u91cd\u65b0\u8fdb\u5165\u5f00\u542f\u72b6\u6001\u3002<\/p>\n

      \n

      \u4e09\u3001\u7194\u65ad\u7b56\u7565\u7684\u8fdb\u9636\u8bbe\u8ba1\u6a21\u5f0f<\/h3>\n

      \u73b0\u4ee3\u7194\u65ad\u6846\u67b6\u652f\u6301\u591a\u7ef4\u5ea6\u7684\u7b56\u7565\u7ec4\u5408\uff0c\u5b9e\u73b0\u66f4\u7cbe\u7ec6\u5316\u7684\u6d41\u91cf\u63a7\u5236\uff1a<\/p>\n

        \n
      1. \n

        \u5f02\u5e38\u7c7b\u578b\u7194\u65ad<\/strong>
        \n\u533a\u5206\u4e1a\u52a1\u5f02\u5e38\uff08\u5982\u5e93\u5b58\u4e0d\u8db3\uff09\u4e0e\u6280\u672f\u5f02\u5e38\uff08\u5982\u7f51\u7edc\u8d85\u65f6\uff09\uff0c\u4ec5\u5bf9\u4e0d\u53ef\u6062\u590d\u7684\u6280\u672f\u5f02\u5e38\u8ba1\u6570\u3002\u4f8b\u5982\uff0cSpring Cloud Circuit Breaker\u5141\u8bb8\u5f00\u53d1\u8005\u81ea\u5b9a\u4e49\u5f02\u5e38\u8fc7\u6ee4\u89c4\u5219\u3002<\/p>\n<\/li>\n

      2. \n

        \u81ea\u9002\u5e94\u9608\u503c\u8c03\u6574<\/strong>
        \nAlibaba Sentinel\u7684\u52a8\u6001\u89c4\u5219\u7cfb\u7edf\u80fd\u6839\u636e\u5386\u53f2\u6570\u636e\u81ea\u52a8\u8c03\u6574\u9608\u503c\u3002\u5f53\u7cfb\u7edf\u68c0\u6d4b\u5230\u4e0a\u6e38\u670d\u52a1\u6269\u5bb9\u65f6\uff0c\u53ef\u9002\u5f53\u653e\u5bbd\u7194\u65ad\u6761\u4ef6\uff1b\u5728\u4e1a\u52a1\u9ad8\u5cf0\u65f6\u6bb5\u5219\u81ea\u52a8\u589e\u5f3a\u4fdd\u62a4\u3002<\/p>\n<\/li>\n

      3. \n

        \u6162\u8c03\u7528\u7194\u65ad<\/strong>
        \n\u5bf9\u54cd\u5e94\u65f6\u95f4\u8d85\u8fc7800ms\u7684\u8bf7\u6c42\u8bb0\u4e3a”\u6162\u8c03\u7528”\uff0c\u5f53\u6162\u8c03\u7528\u6bd4\u4f8b\u8d85\u8fc740%\u65f6\u89e6\u53d1\u7194\u65ad\u3002\u8fd9\u79cd\u7b56\u7565\u6709\u6548\u9884\u9632\u56e0\u670d\u52a1\u964d\u7ea7\u5bfc\u81f4\u7684\u9690\u6027\u6545\u969c\u3002<\/p>\n<\/li>\n

      4. \n

        \u5206\u5c42\u7194\u65ad\u673a\u5236<\/strong>
        \n\u5728\u8c03\u7528\u94fe\u7684\u4e0d\u540c\u5c42\u7ea7\u8bbe\u7f6e\u5dee\u5f02\u5316\u7194\u65ad\u7b56\u7565\u3002\u4f8b\u5982\uff1a<\/p>\n<\/li>\n<\/ol>\n

          \n
        • \u8fb9\u7f18\u670d\u52a1\uff1a\u8bbe\u7f6e\u8f83\u5bbd\u677e\u7684\u9608\u503c\uff08\u9519\u8bef\u738760%\uff09\n<\/li>\n
        • \u6838\u5fc3\u670d\u52a1\uff1a\u91c7\u7528\u4e25\u683c\u7b56\u7565\uff08\u9519\u8bef\u738730%\uff09\n<\/li>\n
        • \u57fa\u7840\u670d\u52a1\uff1a\u542f\u7528\u53cc\u9608\u503c\u673a\u5236\uff08\u9519\u8bef\u7387+\u6162\u8c03\u7528\u7387\uff09\n<\/li>\n<\/ul>\n
          \n

          \u56db\u3001\u7194\u65ad\u4e0e\u964d\u7ea7\u3001\u9650\u6d41\u7684\u534f\u540c\u9632\u5fa1<\/h3>\n

          \u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u5bb9\u9519\u4f53\u7cfb\u4e2d\uff0c\u7194\u65ad\u673a\u5236\u9700\u8981\u4e0e\u964d\u7ea7\u7b56\u7565\u3001\u6d41\u91cf\u63a7\u5236\u5f62\u6210\u534f\u540c\u6548\u5e94<\/strong>\uff1a<\/p>\n

            \n
          • \u7194\u65ad\u4e0e\u964d\u7ea7<\/strong>
            \n\u7194\u65ad\u89e6\u53d1\u65f6\u81ea\u52a8\u5207\u6362\u4e3a\u964d\u7ea7\u903b\u8f91\uff0c\u5982\uff1a\n<\/li>\n<\/ul>\n
            @CircuitBreaker(fallbackMethod = "fallbackInventoryCheck")  \r\npublic InventoryResponse checkInventory(String sku) {  \r\n\/\/ \u8c03\u7528\u5e93\u5b58\u670d\u52a1  \r\n}  \r\n  \r\nprivate InventoryResponse fallbackInventoryCheck(String sku) {  \r\nreturn new InventoryResponse(sku, 0, "\u670d\u52a1\u964d\u7ea7\u4e2d");  \r\n}  \r\n<\/code><\/pre>\n
              \n
            • \n
              \u7194\u65ad\u4e0e\u9650\u6d41<\/strong>
              \n\u5f53\u7194\u65ad\u5668\u5904\u4e8e\u534a\u5f00\u72b6\u6001\u65f6\uff0c\u914d\u5408\u4ee4\u724c\u6876\u7b97\u6cd5\u9650\u5236\u63a2\u6d4b\u8bf7\u6c42\u91cf\u3002\u4f8b\u5982Sentinel\u7684”Warm Up”\u6a21\u5f0f\uff0c\u5141\u8bb8QPS\u4ece5\u9010\u6b65\u63d0\u5347\u5230100\uff0c\u907f\u514d\u6062\u590d\u671f\u7a81\u53d1\u6d41\u91cf\u538b\u57ae\u670d\u52a1\u3002<\/p>\n<\/li>\n
            • \n
              \u8de8\u670d\u52a1\u534f\u540c<\/strong>
              \n\u5728\u670d\u52a1\u7f51\u683c\uff08Service Mesh\uff09\u67b6\u6784\u4e2d\uff0cIstio\u7b49\u5de5\u5177\u53ef\u4ee5\u5b9e\u73b0\u8de8\u670d\u52a1\u7684\u5168\u5c40\u7194\u65ad\u7b56\u7565\u3002\u5f53A\u670d\u52a1\u68c0\u6d4b\u5230B\u670d\u52a1\u7194\u65ad\u65f6\uff0c\u53ef\u81ea\u52a8\u5c06\u6d41\u91cf\u5207\u6362\u5230\u5907\u7528\u96c6\u7fa4C\u3002<\/p>\n<\/li>\n<\/ul>\n
              \n
              \u4e94\u3001\u5b9e\u8df5\u4e2d\u7684\u6311\u6218\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n
              \u5b9e\u65bd\u7194\u65ad\u673a\u5236\u65f6\uff0c\u5f00\u53d1\u8005\u5e38\u9762\u4e34\u4ee5\u4e0b\u6311\u6218\u53ca\u5e94\u5bf9\u65b9\u6848\uff1a<\/p>\n
                \n
              1. \u9608\u503c\u8bbe\u7f6e\u7684\u5e73\u8861\u827a\u672f<\/strong>\n<\/li>\n<\/ol>\n
                  \n
                • \u8fc7\u654f\u611f\uff1a\u9608\u503c\u8bbe\u7f6e\u8fc7\u4f4e\uff08\u5982\u9519\u8bef\u738720%\uff09\u4f1a\u5bfc\u81f4\u9891\u7e41\u8bef\u7194\u65ad\n<\/li>\n
                • \u8fc7\u8fdf\u949d\uff1a\u9608\u503c\u8fc7\u9ad8\uff08\u5982\u9519\u8bef\u738780%\uff09\u5931\u53bb\u4fdd\u62a4\u610f\u4e49\n<\/li>\n
                • \u89e3\u51b3\u65b9\u6848<\/strong>\uff1a\u901a\u8fc7\u6df7\u6c8c\u5de5\u7a0b\u6ce8\u5165\u6545\u969c\uff0c\u89c2\u5bdf\u7cfb\u7edf\u884c\u4e3a\uff0c\u9010\u6b65\u6821\u51c6\u9608\u503c\n<\/li>\n<\/ul>\n
                    \n
                  1. \n
                    \u7194\u65ad\u72b6\u6001\u7684\u4f20\u64ad\u7ba1\u7406<\/strong>
                    \n\u5f53\u670d\u52a1A\u7194\u65ad\u65f6\uff0c\u5982\u4f55\u907f\u514d\u5176\u4e0a\u6e38\u670d\u52a1B\u7ee7\u7eed\u53d1\u9001\u8bf7\u6c42\uff1f\u53ef\u901a\u8fc7HTTP 503\u72b6\u6001\u7801\u643a\u5e26”Circuit-Breaker: open”\u5934\u4fe1\u606f\uff0c\u914d\u5408\u5ba2\u6237\u7aef\u7194\u65ad\u5668\u5b9e\u73b0\u53cc\u5411\u4fdd\u62a4\u3002<\/p>\n<\/li>\n
                  2. \n
                    \u7194\u65ad\u6062\u590d\u671f\u7684\u6296\u52a8\u95ee\u9898<\/strong>
                    \n\u670d\u52a1\u521a\u6062\u590d\u65f6\u53ef\u80fd\u56e0\u7f13\u5b58\u5931\u6548\u3001\u8fde\u63a5\u6c60\u91cd\u5efa\u7b49\u51fa\u73b0\u6027\u80fd\u6ce2\u52a8\u3002\u5efa\u8bae\uff1a<\/p>\n<\/li>\n<\/ol>\n
                      \n
                    • \u5728\u534a\u5f00\u72b6\u6001\u5ef6\u957f\u9884\u70ed\u65f6\u95f4\n<\/li>\n
                    • \u4f7f\u7528\u6e10\u8fdb\u5f0f\u6d41\u91cf\u6062\u590d\uff08\u5982\u6bcf\u5206\u949f\u589e\u52a010%\u6d41\u91cf\uff09\n<\/li>\n
                    • \u5728Nginx\u914d\u7f6e\u5065\u5eb7\u68c0\u67e5\u95f4\u9694\u4e3a\u7194\u65ad\u65f6\u95f4\u76841\/3\n<\/li>\n<\/ul>\n
                        \n
                      1. \u76d1\u63a7\u4e0e\u53ef\u89c6\u5316<\/strong>
                        \n\u5efa\u7acb\u4e09\u7ef4\u76d1\u63a7\u9762\u677f\uff1a\n<\/li>\n<\/ol>\n
                          \n
                        • \u5b9e\u65f6\u7194\u65ad\u72b6\u6001<\/strong>\uff1a\u5404\u670d\u52a1\u7684\u7194\u65ad\u5668\u5f00\u95ed\u60c5\u51b5\n<\/li>\n
                        • \u7194\u65ad\u4e8b\u4ef6\u65e5\u5fd7<\/strong>\uff1a\u8bb0\u5f55\u6bcf\u6b21\u72b6\u6001\u5207\u6362\u7684\u65f6\u95f4\u3001\u89e6\u53d1\u539f\u56e0\n<\/li>\n
                        • \u5f71\u54cd\u9762\u5206\u6790<\/strong>\uff1a\u5c55\u793a\u7194\u65ad\u5bfc\u81f4\u7684QPS\u4e0b\u964d\u3001\u4e1a\u52a1\u635f\u5931\u4f30\u7b97\n<\/li>\n<\/ul>\n
                          \n
                          \u516d\u3001\u4ece\u7406\u8bba\u5230\u5b9e\u8df5\uff1a\u7535\u5546\u7cfb\u7edf\u7684\u7194\u65ad\u8bbe\u8ba1<\/h3>\n
                          \u67d0\u8de8\u5883\u7535\u5546\u5e73\u53f0\u7684\u8ba2\u5355\u7cfb\u7edf\u66fe\u56e0\u652f\u4ed8\u7f51\u5173\u8d85\u65f6\u5bfc\u81f4\u65e5\u635f\u5931\u767e\u4e07\u7f8e\u5143\u3002\u5f15\u5165\u7194\u65ad\u673a\u5236\u540e\uff0c\u5176\u67b6\u6784\u4f18\u5316\u5305\u62ec\uff1a<\/p>\n
                            \n
                          1. \u5728\u652f\u4ed8\u670d\u52a1\u8c03\u7528\u65b9\u914d\u7f6e\uff1a\n<\/li>\n<\/ol>\n
                              \n
                            • \u9519\u8bef\u7387\u9608\u503c\uff1a45%\n<\/li>\n
                            • \u6162\u8c03\u7528\u9608\u503c\uff1a2000ms\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
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\u73b0\u4ee3\u7194\u65ad\u6846\u67b6\u652f\u6301\u591a\u7ef4\u5ea6\u7684\u7b56\u7565\u7ec4\u5408\uff0c\u5b9e\u73b0\u66f4\u7cbe\u7ec6\u5316\u7684\u6d41\u91cf\u63a7\u5236\uff1a \u5f02\u5e38\u7c7b\u578b\u7194\u65ad \u533a\u5206\u4e1a\u52a1\u5f02\u5e38\uff08\u5982\u5e93\u5b58\u4e0d\u8db3\uff09\u4e0e\u6280\u672f\u5f02\u5e38\uff08\u5982\u7f51\u7edc\u8d85\u65f6\uff09\uff0c\u4ec5\u5bf9\u4e0d\u53ef\u6062\u590d\u7684\u6280\u672f\u5f02\u5e38\u8ba1\u6570\u3002\u4f8b\u5982\uff0cSpring Cloud Circuit Breaker\u5141\u8bb8\u5f00\u53d1\u8005\u81ea\u5b9a\u4e49\u5f02\u5e38\u8fc7\u6ee4\u89c4\u5219\u3002 \u81ea\u9002\u5e94\u9608\u503c\u8c03\u6574 Alibaba Sentinel\u7684\u52a8\u6001\u89c4\u5219\u7cfb\u7edf\u80fd\u6839\u636e\u5386\u53f2\u6570\u636e\u81ea\u52a8\u8c03\u6574\u9608\u503c\u3002\u5f53\u7cfb\u7edf\u68c0\u6d4b\u5230\u4e0a\u6e38\u670d\u52a1\u6269\u5bb9\u65f6\uff0c\u53ef\u9002\u5f53\u653e\u5bbd\u7194\u65ad\u6761\u4ef6\uff1b\u5728\u4e1a\u52a1\u9ad8\u5cf0\u65f6\u6bb5\u5219\u81ea\u52a8\u589e\u5f3a\u4fdd\u62a4\u3002 \u6162\u8c03\u7528\u7194\u65ad \u5bf9\u54cd\u5e94\u65f6\u95f4\u8d85\u8fc7800ms\u7684\u8bf7\u6c42\u8bb0\u4e3a”\u6162\u8c03\u7528”\uff0c\u5f53\u6162\u8c03\u7528\u6bd4\u4f8b\u8d85\u8fc740%\u65f6\u89e6\u53d1\u7194\u65ad\u3002\u8fd9\u79cd\u7b56\u7565\u6709\u6548\u9884\u9632\u56e0\u670d\u52a1\u964d\u7ea7\u5bfc\u81f4\u7684\u9690\u6027\u6545\u969c\u3002 \u5206\u5c42\u7194\u65ad\u673a\u5236 \u5728\u8c03\u7528\u94fe\u7684\u4e0d\u540c\u5c42\u7ea7\u8bbe\u7f6e\u5dee\u5f02\u5316\u7194\u65ad\u7b56\u7565\u3002\u4f8b\u5982\uff1a \u8fb9\u7f18\u670d\u52a1\uff1a\u8bbe\u7f6e\u8f83\u5bbd\u677e\u7684\u9608\u503c\uff08\u9519\u8bef\u738760%\uff09 \u6838\u5fc3\u670d\u52a1\uff1a\u91c7\u7528\u4e25\u683c\u7b56\u7565\uff08\u9519\u8bef\u738730%\uff09 \u57fa\u7840\u670d\u52a1\uff1a\u542f\u7528\u53cc\u9608\u503c\u673a\u5236\uff08\u9519\u8bef\u7387+\u6162\u8c03\u7528\u7387\uff09 \u56db\u3001\u7194\u65ad\u4e0e\u964d\u7ea7\u3001\u9650\u6d41\u7684\u534f\u540c\u9632\u5fa1 \u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u7684\u5bb9\u9519\u4f53\u7cfb\u4e2d\uff0c\u7194\u65ad\u673a\u5236\u9700\u8981\u4e0e\u964d\u7ea7\u7b56\u7565\u3001\u6d41\u91cf\u63a7\u5236\u5f62\u6210\u534f\u540c\u6548\u5e94\uff1a \u7194\u65ad\u4e0e\u964d\u7ea7 \u7194\u65ad\u89e6\u53d1\u65f6\u81ea\u52a8\u5207\u6362\u4e3a\u964d\u7ea7\u903b\u8f91\uff0c\u5982\uff1a @CircuitBreaker(fallbackMethod = "fallbackInventoryCheck") public InventoryResponse checkInventory(String sku) { \/\/ \u8c03\u7528\u5e93\u5b58\u670d\u52a1 } private InventoryResponse fallbackInventoryCheck(String sku) { return new InventoryResponse(sku, 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