{"id":34658,"date":"2026-09-15T14:37:58","date_gmt":"2026-09-15T06:37:58","guid":{"rendered":"https:\/\/www.simcentric.com\/uncategorized-sc\/configure-rate-limiting-and-circuit-breaking-in-api-gateways\/"},"modified":"2026-09-15T14:43:44","modified_gmt":"2026-09-15T06:43:44","slug":"configure-rate-limiting-and-circuit-breaking-in-api-gateways","status":"publish","type":"post","link":"https:\/\/www.simcentric.com\/sc\/america-dedicated-server-sc\/configure-rate-limiting-and-circuit-breaking-in-api-gateways\/","title":{"rendered":"\u5728 API \u7f51\u5173\u4e2d\u914d\u7f6e\u901f\u7387\u9650\u5236\u548c\u65ad\u8def\u5668"},"content":{"rendered":"

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\u901f\u7387\u9650\u5236\u4e0e\u65ad\u8def\u5668\u7684\u57fa\u7840\u539f\u7406<\/strong><\/h2>\n

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\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n
\u7ef4\u5ea6<\/th>\n\u901f\u7387\u9650\u5236<\/th>\n\u65ad\u8def\u5668<\/th>\n<\/tr>\n
\u4e3b\u8981\u76ee\u6807<\/td>\n\u63a7\u5236\u8fdb\u5165\u7cfb\u7edf\u7684\u8bf7\u6c42\u91cf<\/td>\n\u9632\u6b62\u4e0b\u6e38\u4f9d\u8d56\u6545\u969c\u5e26\u6765\u66f4\u5927\u5f71\u54cd<\/td>\n<\/tr>\n
\u4f5c\u7528\u65b9\u5411<\/td>\n\u5165\u7ad9\uff08\u5ba2\u6237\u7aef\u5230 API\uff09<\/td>\n\u51fa\u7ad9\uff08API \u5230\u4e0b\u6e38\u670d\u52a1\uff09<\/td>\n<\/tr>\n
\u89e6\u53d1\u6761\u4ef6<\/td>\n\u8bf7\u6c42\u6570\u8d85\u8fc7\u9608\u503c<\/td>\n\u4e0b\u6e38\u5931\u8d25\u7387\u8d85\u8fc7\u9608\u503c<\/td>\n<\/tr>\n
\u5178\u578b\u54cd\u5e94<\/td>\n\u8fd4\u56de\u5e26\u91cd\u8bd5\u63d0\u793a\u7684 HTTP 429<\/td>\n\u7acb\u5373\u5931\u8d25\u6216\u8fd4\u56de\u964d\u7ea7\u7ed3\u679c<\/td>\n<\/tr>\n
\u72b6\u6001\u6a21\u578b<\/td>\n\u65e0\u72b6\u6001\uff1a\u57fa\u4e8e\u8ba1\u6570\u5668\u548c\u65f6\u95f4\u7a97\u53e3<\/td>\n\u6709\u72b6\u6001\uff1aClosed\u3001Open\u3001Half-Open<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u4f55\u65f6\u4f7f\u7528\u901f\u7387\u9650\u5236<\/h3>\n

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\u4f60\u8fd8\u5e94\u901a\u8fc7\u914d\u7f6e\u901f\u7387\u9650\u5236\u6765\u63a7\u5236\u6210\u672c\u3002\u7a81\u53d1\u7684\u4f7f\u7528\u9ad8\u5cf0\u53ef\u80fd\u4f1a\u8fc5\u901f\u6d88\u8017\u57fa\u7840\u8bbe\u65bd\u9884\u7b97\u3002\u6839\u636e API key\u3001OAuth \u4ee4\u724c\u6216\u4f7f\u7528\u5957\u9910\u8bbe\u7f6e\u9650\u5236\uff0c\u53ef\u4ee5\u8ba9\u4f60\u4e3a\u514d\u8d39\u5957\u9910\u63d0\u4f9b\u8f83\u4f4e\u4e0a\u9650\uff0c\u4e3a\u4ed8\u8d39\u5957\u9910\u63d0\u4f9b\u66f4\u9ad8\u541e\u5410\u80fd\u529b\u3002\u8fd9\u6837\u53ef\u4ee5\u8ba9\u961f\u5217\u4fdd\u6301\u7a33\u5b9a\uff0c\u4e5f\u8ba9\u6240\u6709\u7528\u6237\u7684\u5ef6\u8fdf\u66f4\u53ef\u9884\u6d4b\u3002<\/p>\n

\u4f55\u65f6\u4f7f\u7528\u65ad\u8def\u5668<\/h3>\n

\u5f53\u4e0b\u6e38\u670d\u52a1\u5f00\u59cb\u5931\u8d25\u65f6\uff0c\u5c31\u8be5\u542f\u7528\u65ad\u8def\u5668\u6a21\u5f0f\u3002\u8c03\u7528\u5916\u90e8 ML API\u3001\u652f\u4ed8\u5904\u7406\u670d\u52a1\u6216\u5e93\u5b58\u670d\u52a1\u65f6\uff0c\u90fd\u53ef\u80fd\u53d1\u751f\u8d85\u65f6\u5e76\u957f\u65f6\u95f4\u5360\u7528\u7ebf\u7a0b\u3002\u5982\u679c\u6ca1\u6709\u4fdd\u62a4\u673a\u5236\uff0c\u6bcf\u4e2a\u8bf7\u6c42\u90fd\u4f1a\u4e00\u76f4\u7b49\u5f85\u76f4\u5230\u8d85\u65f6\uff0c\u8fde\u63a5\u6c60\u88ab\u8017\u5c3d\uff0c\u6545\u969c\u4e5f\u4f1a\u5728\u5fae\u670d\u52a1\u4e4b\u95f4\u6269\u6563\u3002<\/p>\n

\u65ad\u8def\u5668\u6a21\u5f0f\u4f1a\u76d1\u63a7\u5931\u8d25\u7387\u5347\u9ad8\u3001\u6162\u8c03\u7528\u548c\u8d85\u65f6\u7b49\u73b0\u8c61\u3002\u4e00\u65e6\u5931\u8d25\u8d85\u8fc7\u9608\u503c\uff0c\u65ad\u8def\u5668\u5c31\u4f1a\u5207\u6362\u5230 Open \u72b6\u6001\uff0c\u5e76\u7acb\u5373\u8fd4\u56de\u964d\u7ea7\u54cd\u5e94\u3002\u7ecf\u8fc7\u4e00\u6bb5\u51b7\u5374\u65f6\u95f4\u540e\uff0c\u5b83\u4f1a\u8fdb\u5165 Half-Open \u72b6\u6001\uff0c\u5e76\u4ee5\u6709\u9650\u8bf7\u6c42\u6d4b\u8bd5\u670d\u52a1\u662f\u5426\u6062\u590d\u3002\u8fd9\u4e2a\u72b6\u6001\u673a\u65e2\u80fd\u9694\u79bb\u6545\u969c\uff0c\u4e5f\u80fd\u652f\u6301\u81ea\u52a8\u6062\u590d\u3002\u5728\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u53ea\u8981\u67d0\u4e2a\u4e0d\u7a33\u5b9a\u4f9d\u8d56\u53ef\u80fd\u5f15\u53d1\u7ea7\u8054\u6545\u969c\uff0c\u5c31\u5e94\u8003\u8651\u4f7f\u7528\u5b83\u3002<\/p>\n

\u5728 API \u7f51\u5173\u4e0a\u914d\u7f6e\u901f\u7387\u9650\u5236<\/strong><\/h2>\n

\u73b0\u5b9e\u4e2d\u7684 API \u5df2\u7ecf\u5c55\u793a\u4e86\u901f\u7387\u9650\u5236\u7684\u5178\u578b\u65b9\u5f0f\u3002GitHub \u5c06\u5df2\u8ba4\u8bc1\u7528\u6237\u9650\u5236\u4e3a\u6bcf\u5c0f\u65f6 5,000 \u6b21\u8bf7\u6c42\u3002\u8fd9\u4e9b\u6570\u503c\u53cd\u6620\u4e86\u5404\u5e73\u53f0\u81ea\u8eab\u7684\u5bb9\u91cf\u4e0e\u516c\u5e73\u6027\u76ee\u6807\u3002\u4f60\u4e5f\u53ef\u4ee5\u5728\u81ea\u5df1\u7684 API \u7f51\u5173\u4e0a\u7528\u7c7b\u4f3c\u903b\u8f91\u914d\u7f6e\u901f\u7387\u9650\u5236\u3002\u7f51\u5173\u4f1a\u7edf\u8ba1\u4f20\u5165\u8bf7\u6c42\uff0c\u4e00\u65e6\u67d0\u4e2a\u5ba2\u6237\u7aef\u8d85\u8fc7\u9608\u503c\uff0c\u5c31\u62d2\u7edd\u5176\u989d\u5916\u8bf7\u6c42\u3002<\/p>\n

Redis \u5e38\u88ab\u7528\u4e8e\u5b58\u50a8\u8fd9\u4e9b\u8bf7\u6c42\u8ba1\u6570\u5668\u3002\u96c6\u4e2d\u5f0f\u5b58\u50a8\u53ef\u4ee5\u8ba9\u591a\u4e2a\u7f51\u5173\u5b9e\u4f8b\u4e4b\u95f4\u4fdd\u6301\u8ba1\u6570\u4e00\u81f4\u3002\u5f53\u5ba2\u6237\u7aef\u8d85\u8fc7\u9650\u5236\u65f6\uff0c\u7f51\u5173\u4f1a\u8fd4\u56de HTTP 429 Too Many Requests\u3002\u54cd\u5e94\u4e2d\u8fd8\u53ef\u4ee5\u5305\u542b X-RateLimit-Limit<\/code>\u3001X-RateLimit-Remaining<\/code> \u548c X-RateLimit-Reset<\/code> \u7b49\u5934\u4fe1\u606f\uff0c\u7528\u4e8e\u544a\u77e5\u5ba2\u6237\u7aef\u4f55\u65f6\u53ef\u4ee5\u91cd\u8bd5\u3002\u8fd9\u79cd\u65b9\u5f0f\u65e2\u9002\u7528\u4e8e\u9488\u5bf9\u5355\u4e00\u8def\u7531\u7684\u9650\u5236\uff0c\u4e5f\u9002\u7528\u4e8e\u8de8\u6240\u6709\u8def\u7531\u7684\u5168\u5c40\u9650\u5236\u3002<\/p>\n

\u5982\u4f55\u5728\u4ee4\u724c\u6876\u4e0e\u6f0f\u6876\u4e4b\u95f4\u505a\u9009\u62e9<\/h3>\n

\u5728\u901f\u7387\u9650\u5236\u8bbe\u8ba1\u4e2d\uff0c\u6700\u5e38\u89c1\u7684\u662f\u4e24\u79cd\u7b97\u6cd5\uff0c\u5b83\u4eec\u5bf9\u6d41\u91cf\u7684\u6574\u5f62\u65b9\u5f0f\u5404\u4e0d\u76f8\u540c\u3002\u4e0b\u8868\u7ed9\u51fa\u4e86\u5bf9\u6bd4\u3002<\/p>\n

\n\n\n\n\n<\/colgroup>\n\n\n\n\n
\u7b97\u6cd5<\/th>\n\u7a81\u53d1\u6d41\u91cf\u5904\u7406\u80fd\u529b<\/th>\n\u6700\u4f73\u4f7f\u7528\u573a\u666f<\/th>\n<\/tr>\n
\u4ee4\u724c\u6876<\/td>\n\u5141\u8bb8\u5728\u6876\u5bb9\u91cf\u8303\u56f4\u5185\u51fa\u73b0\u53ef\u63a7\u7a81\u53d1<\/td>\n\u9762\u5411\u5f00\u53d1\u8005\u7684 API\uff0c\u5141\u8bb8\u5076\u53d1\u7a81\u53d1\u6d41\u91cf<\/td>\n<\/tr>\n
\u6f0f\u6876<\/td>\n\u4e25\u683c\u63a7\u5236\u8f93\u51fa\u901f\u7387\uff0c\u4e0d\u5141\u8bb8\u7a81\u53d1<\/td>\n\u9700\u8981\u5e73\u6ed1\u3001\u5747\u5300\u6d41\u91cf\u7684\u8106\u5f31\u4e0b\u6e38\u7cfb\u7edf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u4ee4\u724c\u6876\u7684\u53c2\u6570\u5305\u62ec\u4ee4\u724c\u586b\u5145\u901f\u7387\u548c\u6876\u5bb9\u91cf\u3002\u586b\u5145\u901f\u7387\u8868\u793a\u6bcf\u79d2\u65b0\u589e\u591a\u5c11\u4ee4\u724c\uff0c\u6876\u5bb9\u91cf\u8868\u793a\u6876\u4e2d\u6700\u591a\u53ef\u5b58\u653e\u591a\u5c11\u4ee4\u724c\u3002\u4f60\u9700\u8981\u6839\u636e\u540e\u7aef\u5bf9\u7a81\u53d1\u6d41\u91cf\u7684\u627f\u53d7\u80fd\u529b\u6765\u9009\u62e9\u8fd9\u4e9b\u503c\u3002<\/p>\n

\u5982\u679c\u5ba2\u6237\u7aef\u9700\u8981\u5076\u5c14\u7a81\u53d1\u8bbf\u95ee\uff0c\u9009\u62e9\u4ee4\u724c\u6876\u66f4\u5408\u9002\uff1b\u5982\u679c\u4e0b\u6e38\u670d\u52a1\u8981\u6c42\u7a33\u5b9a\u3001\u53ef\u9884\u6d4b\u7684\u6d41\u91cf\uff0c\u6f0f\u6876\u66f4\u9002\u5408\u3002\u5982\u679c\u6d41\u91cf\u672c\u8eab\u5177\u6709\u7a81\u53d1\u6027\uff0c\u4ee4\u724c\u6876\u6216\u6ed1\u52a8\u7a97\u53e3\u8ba1\u6570\u5668\u901a\u5e38\u6548\u679c\u66f4\u597d\uff1b\u5982\u679c\u6d41\u91cf\u8f83\u5747\u5300\uff0c\u6216\u8005\u4f60\u9700\u8981\u4e25\u683c\u9650\u5236\u8f93\u51fa\u901f\u7387\uff0c\u90a3\u4e48\u6f0f\u6876\u662f\u66f4\u4f18\u9009\u62e9\u3002<\/p>\n

\u4f7f\u7528 YAML \u914d\u7f6e\u5355\u8def\u7531\u4e0e\u5168\u5c40\u9650\u5236<\/h3>\n

\u4f60\u53ef\u4ee5\u6309\u8def\u7531\u5b9a\u4e49\u901f\u7387\u9650\u5236\uff0c\u4e5f\u53ef\u4ee5\u5728\u6574\u4e2a\u7f51\u5173\u8303\u56f4\u5185\u5b9a\u4e49\u5168\u5c40\u9650\u5236\u3002\u6309\u8def\u7531\u7684\u9650\u5236\u53ea\u4f5c\u7528\u4e8e\u7279\u5b9a\u63a5\u53e3\uff1b\u5168\u5c40\u9650\u5236\u5219\u5bf9\u7f51\u5173\u4e2d\u7684\u6240\u6709\u8def\u7531\u8bbe\u7f6e\u7edf\u4e00\u4e0a\u9650\u3002Redis \u4f5c\u4e3a\u5171\u4eab\u8ba1\u6570\u5b58\u50a8\uff0c\u7528\u4e8e\u5728\u5206\u5e03\u5f0f\u73af\u5883\u4e2d\u7edf\u4e00\u6267\u884c\u9650\u5236\u3002<\/p>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u5f15\u7528 Redis \u7684 RequestRateLimiter \u8fc7\u6ee4\u5668 YAML \u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n

spring:\r\n  cloud:\r\n    gateway:\r\n      routes:\r\n      - id: auditflow_service_route\r\n        uri: http:\/\/localhost:8080\r\n        predicates:\r\n        - Path=\/api\/v1\/audit\/**\r\n        filters:\r\n        - name: RequestRateLimiter\r\n          args:\r\n            key-resolver: \"#{@ipAddressKeyResolver}\"\r\n            redis-rate-limiter.replenishRate: 10\r\n            redis-rate-limiter.burstCapacity: 20\r\n            redis-rate-limiter.requestedTokens: 1<\/code><\/pre>\n
replenishRate<\/code> \u7528\u4e8e\u8bbe\u7f6e\u6bcf\u79d2\u8865\u5145\u591a\u5c11\u4ee4\u724c\uff1bburstCapacity<\/code> \u5b9a\u4e49\u53ef\u7528\u4ee4\u724c\u7684\u6700\u5927\u6570\u91cf\uff1brequestedTokens<\/code> \u8868\u793a\u6bcf\u4e2a\u8bf7\u6c42\u4f1a\u6d88\u8017\u591a\u5c11\u4ee4\u724c\u3002key-resolver<\/code> \u5219\u51b3\u5b9a\u9650\u6d41\u5668\u57fa\u4e8e\u54ea\u4e2a\u6807\u8bc6\u8fdb\u884c\u7edf\u8ba1\uff0c\u4f8b\u5982 IP \u5730\u5740\u6216\u7528\u6237 ID\u3002<\/p>\n
\u8fd9\u6bb5\u914d\u7f6e\u5c06\u9650\u5236\u5e94\u7528\u5230 \/api\/v1\/audit\/**<\/code> \u8def\u5f84\u3002\u4f60\u53ef\u4ee5\u5c06\u7c7b\u4f3c\u8fc7\u6ee4\u5668\u6dfb\u52a0\u5230\u5176\u4ed6\u8def\u7531\uff0c\u5e76\u8bbe\u7f6e\u4e0d\u540c\u7684\u503c\u3002\u5168\u5c40\u9650\u5236\u5219\u4f1a\u4f7f\u7528\u8de8\u6240\u6709\u8def\u7531\u5171\u4eab\u7684 key\u3002\u5f53\u8d85\u51fa\u9650\u5236\u65f6\uff0c\u7f51\u5173\u4f1a\u8fd4\u56de\u5e26\u6709 Retry-After<\/code> \u5934\u7684 HTTP 429\uff0c\u660e\u786e\u544a\u77e5\u5ba2\u6237\u7aef\u4f55\u65f6\u518d\u6b21\u5c1d\u8bd5\u3002<\/p>\n
\u65ad\u8def\u5668\u6a21\u5f0f\u662f\u901f\u7387\u9650\u5236\u7684\u4e92\u8865\u673a\u5236\uff0c\u5b83\u5904\u7406\u7684\u662f\u670d\u52a1\u6545\u969c\uff0c\u800c\u4e0d\u662f\u8bf7\u6c42\u91cf\u3002\u901f\u7387\u9650\u5236\u63a7\u5236\u8fdb\u5165\u7cfb\u7edf\u7684\u8bf7\u6c42\u6570\uff1b\u65ad\u8def\u5668\u5219\u963b\u6b62\u8bf7\u6c42\u7ee7\u7eed\u5230\u8fbe\u5df2\u7ecf\u6545\u969c\u7684\u4f9d\u8d56\u670d\u52a1\u3002\u4e24\u8005\u914d\u5408\uff0c\u624d\u80fd\u540c\u65f6\u9632\u8303\u6d41\u91cf\u9ad8\u5cf0\u548c\u7ea7\u8054\u6545\u969c\u3002<\/p>\n
\u5728 API \u7f51\u5173\u4e0a\u5b9e\u73b0\u65ad\u8def\u5668<\/strong><\/h2>\n
\u73b0\u5728\u5f00\u59cb\u5b9e\u73b0\u65ad\u8def\u5668\u6a21\u5f0f\u3002\u5b83\u4f1a\u963b\u6b62\u8bf7\u6c42\u7ee7\u7eed\u53d1\u9001\u5230\u6545\u969c\u4e2d\u7684\u4e0b\u6e38\u670d\u52a1\u3002\u4f60\u7684 API \u7f51\u5173\u4f1a\u6267\u884c\u4e00\u4e2a\u5165\u7ad9\u7b56\u7565\u6765\u68c0\u67e5\u65ad\u8def\u5668\u72b6\u6001\uff0c\u4e5f\u4f1a\u6267\u884c\u4e00\u4e2a\u51fa\u7ad9\u7b56\u7565\u6765\u66f4\u65b0\u8be5\u72b6\u6001\u3002\u8fd9\u4e2a\u72b6\u6001\u673a\u4f1a\u5728\u4e09\u79cd\u72b6\u6001\u4e4b\u95f4\u5207\u6362\uff1aclosed\u3001open \u548c half-open\u3002\u5b83\u4e0e\u901f\u7387\u9650\u5236\u5f62\u6210\u4e92\u8865\uff1a\u901f\u7387\u9650\u5236\u5728\u5165\u53e3\u5904\u63a7\u5236\u8bf7\u6c42\u91cf\uff1b\u65ad\u8def\u5668\u5219\u5728\u8c03\u7528\u94fe\u4e2d\u95f4\u963b\u65ad\u6d41\u91cf\uff0c\u4f46\u524d\u63d0\u662f\u67d0\u4e2a\u670d\u52a1\u5df2\u7ecf\u53d1\u751f\u6545\u969c\u3002<\/p>\n
\u5931\u8d25\u9608\u503c\u4e0e\u51b7\u5374\u65f6\u95f4<\/h3>\n
\u65ad\u8def\u5668\u4f9d\u8d56\u591a\u4e2a\u5173\u952e\u53c2\u6570\u3002\u5931\u8d25\u9608\u503c\u5b9a\u4e49\u4e86\u8fde\u7eed\u5931\u8d25\u591a\u5c11\u6b21\u540e\u5207\u6362\u5230 open \u72b6\u6001\u3002\u4e3a\u4e86\u4fbf\u4e8e\u5feb\u901f\u6d4b\u8bd5\uff0c\u4f60\u53ef\u4ee5\u628a\u8be5\u503c\u8bbe\u4e3a 3\uff1b\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c5 \u6b21\u8fde\u7eed\u5931\u8d25\u901a\u5e38\u662f\u4e00\u4e2a\u8f83\u5e73\u8861\u7684\u9009\u62e9\u3002\u8fd9\u4e2a\u8bbe\u7f6e\u65e2\u80fd\u907f\u514d\u56e0\u4e3a\u77ed\u6682\u7f51\u7edc\u6296\u52a8\u800c\u8bef\u5224\uff0c\u4e5f\u80fd\u5728\u771f\u6b63\u6545\u969c\u51fa\u73b0\u65f6\u53ca\u65f6\u68c0\u6d4b\u3002\u8d85\u65f6\u65f6\u95f4\uff0c\u6216\u8005\u8bf4\u51b7\u5374\u65f6\u95f4\uff0c\u51b3\u5b9a\u65ad\u8def\u5668\u5728 open \u72b6\u6001\u505c\u7559\u591a\u4e45\u540e\u624d\u5c1d\u8bd5\u6062\u590d\u3002\u751f\u4ea7\u73af\u5883\u4e2d 60 \u79d2\u7684\u51b7\u5374\u65f6\u95f4\u901a\u5e38\u6bd4\u8f83\u5408\u9002\u2014\u2014\u8db3\u591f\u957f\uff0c\u53ef\u4ee5\u8ba9\u5927\u591a\u6570\u670d\u52a1\u63d0\u4f9b\u65b9\u6545\u969c\u5f97\u5230\u6062\u590d\uff1b\u53c8\u8db3\u591f\u77ed\uff0c\u4e0d\u81f3\u4e8e\u5728\u77ed\u6682\u5f02\u5e38\u4e4b\u540e\u957f\u65f6\u95f4\u963b\u585e\u6d41\u91cf\u3002\u5982\u679c\u6062\u590d\u5c1d\u8bd5\u5931\u8d25\uff0cretry time period \u4f1a\u91cd\u65b0\u5f00\u59cb\u8ba1\u65f6\u3002<\/p>\n
\u5728\u65ad\u8def\u5668\u914d\u7f6e\u4e2d\uff0c\u5982\u679c\u9608\u503c\u8bbe\u5f97\u8fc7\u4f4e\uff0c\u5c31\u5bb9\u6613\u51fa\u73b0\u8bef\u62a5\u3002\u65ad\u8def\u5668\u4f1a\u56e0\u6b63\u5e38\u7684\u5c0f\u6ce2\u52a8\u800c\u88ab\u89e6\u53d1\uff0c\u800c\u8fd9\u4e9b\u95ee\u9898\u672c\u6765\u4f1a\u81ea\u884c\u6062\u590d\uff1b\u5982\u679c\u9608\u503c\u8bbe\u5f97\u8fc7\u9ad8\uff0c\u53c8\u4f1a\u5bfc\u81f4\u68c0\u6d4b\u8fc7\u6162\uff0c\u7cfb\u7edf\u5728\u53d7\u5230\u771f\u5b9e\u635f\u5bb3\u540e\u624d\u5f00\u59cb\u4fdd\u62a4\u3002\u56e0\u6b64\uff0c\u4f60\u5fc5\u987b\u6839\u636e\u5404\u81ea\u9879\u76ee\u7684\u5bb9\u9519\u80fd\u529b\u6765\u914d\u7f6e\u8fd9\u4e9b\u503c\u3002<\/p>\n
\u5229\u7528 Half-Open \u72b6\u6001\u8fdb\u884c\u5065\u5eb7\u6062\u590d<\/h3>\n
\u5f53\u8d85\u65f6\u8ba1\u65f6\u5668\u5230\u671f\u540e\uff0c\u65ad\u8def\u5668\u4f1a\u5207\u6362\u5230 half-open \u72b6\u6001\u3002\u5728\u8fd9\u4e2a\u72b6\u6001\u4e0b\uff0c\u65ad\u8def\u5668\u53ea\u5141\u8bb8\u5c11\u91cf\u63a2\u6d4b\u8bf7\u6c42\u53d1\u9001\u5230\u4e0b\u6e38\u670d\u52a1\uff0c\u76ee\u7684\u662f\u6d4b\u8bd5\u95ee\u9898\u662f\u5426\u5df2\u7ecf\u89e3\u51b3\u3002\u5982\u679c\u8fd9\u4e9b\u63a2\u6d4b\u8bf7\u6c42\u5168\u90e8\u6210\u529f\uff0c\u65ad\u8def\u5668\u5c31\u4f1a\u56de\u5230 closed \u72b6\u6001\uff0c\u7cfb\u7edf\u6062\u590d\u6b63\u5e38\u8fd0\u884c\uff0c\u540c\u65f6\u5931\u8d25\u8ba1\u6570\u5668\u4e5f\u4f1a\u91cd\u7f6e\uff1b\u5982\u679c\u5176\u4e2d\u4efb\u610f\u4e00\u4e2a\u63a2\u6d4b\u8bf7\u6c42\u5931\u8d25\uff0c\u65ad\u8def\u5668\u5c31\u4f1a\u7acb\u5373\u91cd\u65b0\u56de\u5230 open \u72b6\u6001\uff0c\u5e76\u91cd\u65b0\u542f\u52a8\u8d85\u65f6\u8ba1\u65f6\u5668\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u907f\u514d\u201c\u60ca\u7fa4\u6548\u5e94\u201d\uff0c\u5426\u5219\u4e00\u4e2a\u5c1a\u672a\u5b8c\u5168\u6062\u590d\u7684\u670d\u52a1\u53ef\u80fd\u7a81\u7136\u518d\u6b21\u6536\u5230\u6d77\u91cf\u8bf7\u6c42\u3002<\/p>\n
half-open \u7684\u8d85\u65f6\u914d\u7f6e\u9700\u8981\u683c\u5916\u8c28\u614e\u3002\u5982\u679c retry time period \u8bbe\u7f6e\u5f97\u8fc7\u77ed\uff0c\u4f60\u53ef\u80fd\u4f1a\u53cd\u590d\u51b2\u51fb\u5c1a\u672a\u6062\u590d\u7684\u670d\u52a1\uff1b\u5982\u679c\u8bbe\u7f6e\u5f97\u8fc7\u957f\uff0c\u53c8\u4f1a\u65e0\u8c13\u5730\u963b\u585e\u672c\u53ef\u6b63\u5e38\u901a\u8fc7\u7684\u6d41\u91cf\u3002\u6d4b\u8bd5\u65f6\u7684\u6700\u4f73\u5b9e\u8df5\u662f\u4ece\u4fdd\u5b88\u503c\u5f00\u59cb\uff0c\u4f8b\u5982\u4f7f\u7528\u6eda\u52a8\u7a97\u53e3\u7edf\u8ba1\u5931\u8d25\u6b21\u6570\uff0c\u5982 60 \u79d2\u5185\u5931\u8d25 5 \u6b21\uff0c\u518d\u6839\u636e\u5b9e\u9645\u89c2\u5bdf\u9010\u6b65\u8c03\u6574\u3002<\/p>\n
\u4e0b\u8868\u603b\u7ed3\u4e86\u72b6\u6001\u673a\u7684\u8f6c\u6362\u903b\u8f91\u3002<\/p>\n
\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n
\u72b6\u6001\u8f6c\u6362<\/th>\n\u89e6\u53d1\u6761\u4ef6<\/th>\n\u76f8\u5173\u53c2\u6570<\/th>\n<\/tr>\n
Closed \u5230 Open<\/td>\n\u6eda\u52a8\u7a97\u53e3\u5185\u7684\u5931\u8d25\u6b21\u6570\u6216\u5931\u8d25\u6bd4\u4f8b\u8d85\u8fc7\u9608\u503c<\/td>\nfailureThreshold\u3001requestVolumeThreshold<\/td>\n<\/tr>\n
Open \u5230 Half-Open<\/td>\n\u8d85\u65f6\u8ba1\u65f6\u5668\u5230\u671f<\/td>\nTimeout \u6216 cooldown period<\/td>\n<\/tr>\n
Half-Open \u5230 Closed<\/td>\n\u6240\u6709\u63a2\u6d4b\u8bf7\u6c42\u5747\u6210\u529f<\/td>\nsuccessThreshold<\/td>\n<\/tr>\n
Half-Open \u5230 Open<\/td>\n\u4efb\u610f\u4e00\u4e2a\u63a2\u6d4b\u8bf7\u6c42\u5931\u8d25<\/td>\nsuccessThreshold<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u65ad\u8def\u5668\u4e0e\u901f\u7387\u9650\u5236\u662f\u534f\u540c\u5de5\u4f5c\u7684\u3002\u901f\u7387\u9650\u5236\u5728\u6700\u524d\u7aef\u63a7\u5236\u8f93\u5165\u6d41\u91cf\uff1b\u65ad\u8def\u5668\u5219\u5728\u8c03\u7528\u94fe\u4e2d\u5207\u65ad\u6545\u969c\u4f20\u64ad\u3002\u5f53\u65ad\u8def\u5668\u5904\u4e8e open \u72b6\u6001\u65f6\uff0c\u4e0d\u8981\u7ee7\u7eed\u91cd\u8bd5\uff0c\u5426\u5219\u53ea\u4f1a\u5bfc\u81f4\u91cd\u8bd5\u98ce\u66b4\u548c\u66f4\u4e25\u91cd\u7684\u7ea7\u8054\u6545\u969c\u3002<\/p>\n
\u7ed3\u5408\u4e24\u79cd\u6a21\u5f0f\u6253\u9020\u9ad8\u97e7\u6027 API<\/strong><\/h2>\n
\u6267\u884c\u987a\u5e8f\u4e0e\u7b56\u7565\u4f18\u5148\u7ea7<\/h3>\n
\u73b0\u5728\u4f60\u5df2\u7ecf\u62e5\u6709\u4e24\u79cd\u7b56\u7565\uff0c\u800c\u5b83\u4eec\u7684\u6267\u884c\u987a\u5e8f\u975e\u5e38\u5173\u952e\u3002\u901f\u7387\u9650\u5236\u5e94\u5148\u5728\u7f51\u5173\u5c42\u6267\u884c\uff0c\u8fd9\u6837\u53ef\u4ee5\u5728\u8bf7\u6c42\u5360\u7528\u4efb\u4f55\u4e0b\u6e38\u8d44\u6e90\u4e4b\u524d\uff0c\u5c31\u5148\u62e6\u622a\u8fc7\u5ea6\u6d3b\u8dc3\u7684\u5ba2\u6237\u7aef\u3002\u65ad\u8def\u5668\u5219\u5e94\u5728\u8c03\u7528\u94fe\u66f4\u9760\u540e\u7684\u4f4d\u7f6e\u8fd0\u884c\uff0c\u7528\u4e8e\u963b\u6b62\u8bf7\u6c42\u7ee7\u7eed\u53d1\u9001\u5230\u5df2\u77e5\u6545\u969c\u4e2d\u7684\u670d\u52a1\u3002<\/p>\n
\u4e0b\u8868\u8bf4\u660e\u4e86\u6bcf\u79cd\u6a21\u5f0f\u5982\u4f55\u4e3a\u7cfb\u7edf\u97e7\u6027\u505a\u51fa\u8d21\u732e\uff0c\u4ee5\u53ca\u4e3a\u4ec0\u4e48\u8fd9\u6837\u7684\u987a\u5e8f\u66f4\u5408\u7406\u3002<\/p>\n
\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n
\u6a21\u5f0f<\/th>\n\u4e3b\u8981\u97e7\u6027\u4f5c\u7528<\/th>\n\u4e3a\u4ec0\u4e48\u5fc5\u987b\u4e0e\u53e6\u4e00\u79cd\u6a21\u5f0f\u914d\u5408\u4f7f\u7528<\/th>\n<\/tr>\n
\u901f\u7387\u9650\u5236<\/td>\n\u6309\u6d88\u8d39\u8005\u3001IP \u6216 API key \u9650\u5236\u8bf7\u6c42\u901f\u7387<\/td>\n\u5e94\u5148\u4e8e\u91cd\u8bd5\u6267\u884c\uff0c\u8fd9\u6837\u91cd\u8bd5\u4e0d\u4f1a\u6d88\u8017\u9650\u6d41\u914d\u989d<\/td>\n<\/tr>\n
\u65ad\u8def\u5668<\/td>\n\u6253\u5f00\u65ad\u8def\u4ee5\u963b\u6b62\u91cd\u8bd5\u98ce\u66b4<\/td>\n\u91cd\u8bd5\u5e94\u53d1\u751f\u5728\u65ad\u8def\u5668\u5185\u90e8\uff1b\u5982\u679c\u65ad\u8def\u5668\u5df2\u6253\u5f00\uff0c\u7ee7\u7eed\u91cd\u8bd5\u6beb\u65e0\u610f\u4e49<\/td>\n<\/tr>\n
\u7ec4\u5408\u987a\u5e8f<\/td>\n\u901f\u7387\u9650\u5236\uff0c\u7136\u540e\u91cd\u8bd5\uff0c\u7136\u540e\u65ad\u8def\u5668<\/td>\n\u786e\u4fdd\u91cd\u8bd5\u4e0d\u4f1a\u8017\u5c3d\u914d\u989d\uff0c\u4e5f\u907f\u514d\u6301\u7eed\u51b2\u51fb\u6545\u969c\u670d\u52a1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\u5b9e\u9645\u843d\u5730\u65f6\u53ef\u4ee5\u9075\u5faa\u4e00\u4e2a\u6e05\u6670\u7684\u987a\u5e8f\uff1a\u5148\u6dfb\u52a0\u901f\u7387\u9650\u5236\uff0c\u56e0\u4e3a\u5b83\u662f\u6700\u7b80\u5355\u3001\u6536\u76ca\u4e5f\u6700\u5927\u7684\u6a21\u5f0f\uff1b\u7136\u540e\u4e3a\u6bcf\u4e2a\u540e\u7aef\u8fde\u63a5\u8bbe\u7f6e\u5408\u9002\u7684\u8d85\u65f6\u65f6\u95f4\uff1b\u63a5\u7740\u4e3a\u5173\u952e\u6216\u9ad8\u6545\u969c\u98ce\u9669\u7684\u540e\u7aef\u5b9e\u73b0\u65ad\u8def\u5668\uff1b\u518d\u4e3a\u8bfb\u591a\u5199\u5c11\u7684\u63a5\u53e3\u589e\u52a0\u7f13\u5b58\u964d\u7ea7\uff1b\u6700\u540e\u501f\u52a9\u7f51\u5173\u53ef\u89c2\u6d4b\u6027\u6570\u636e\u6301\u7eed\u76d1\u63a7\u4e0e\u8fed\u4ee3\u4f18\u5316\u3002<\/p>\n
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\n
<\/div>\n<\/div>\n
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\u9608\u503c\u5e94\u4f9d\u636e\u538b\u6d4b\u7ed3\u679c\u548c\u6545\u969c\u76ee\u6807\u6765\u8bbe\u5b9a\uff0c\u800c\u4e0d\u662f\u51ed\u611f\u89c9\u731c\u6d4b\u3002\u53ea\u6709\u5185\u90e8\u9650\u5236\uff0c\u624d\u80fd\u771f\u6b63\u5b9a\u4e49\u4f60\u7684\u7cfb\u7edf\u7a76\u7adf\u80fd\u627f\u53d7\u591a\u5c11\u8d1f\u8f7d\u3002<\/p>\n
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\u5e38\u89c1\u95ee\u9898<\/strong><\/h2>\n
\u901f\u7387\u9650\u5236\u5e94\u8be5\u5148\u4e8e\u65ad\u8def\u5668\u6267\u884c\u5417\uff1f<\/h3>\n
\u662f\u7684\u3002\u5e94\u5148\u5728\u7f51\u5173\u5c42\u6267\u884c\u901f\u7387\u9650\u5236\uff0c\u8fd9\u6837\u53ef\u4ee5\u5728 API \u8c03\u7528\u5360\u7528\u4e0b\u6e38\u5bb9\u91cf\u4e4b\u524d\uff0c\u5148\u9650\u5236\u9ad8\u9891\u5ba2\u6237\u7aef\u3002\u65ad\u8def\u5668\u5219\u5728\u8c03\u7528\u94fe\u540e\u7eed\u9636\u6bb5\u6267\u884c\u3002\u8fd9\u6837\u7684\u987a\u5e8f\u53ef\u4ee5\u9632\u6b62\u91cd\u8bd5\u6d88\u8017\u4f60\u7684\u9650\u6d41\u914d\u989d\uff0c\u4e5f\u80fd\u907f\u514d\u6545\u969c\u670d\u52a1\u7ee7\u7eed\u627f\u53d7\u66f4\u591a\u8d1f\u8f7d\u3002<\/p>\n
\u6211\u8be5\u5982\u4f55\u4e3a\u65ad\u8def\u5668\u9009\u62e9\u5931\u8d25\u9608\u503c\uff1f<\/h3>\n
\u53ef\u4ee5\u4ece 5 \u6b21\u8fde\u7eed\u5931\u8d25\u548c 60 \u79d2\u51b7\u5374\u65f6\u95f4\u5f00\u59cb\u3002\u89c2\u5bdf\u9519\u8bef\u7387\u548c\u961f\u5217\u6df1\u5ea6\uff1a\u5982\u679c\u611f\u89c9\u68c0\u6d4b\u592a\u6162\uff0c\u5c31\u964d\u4f4e\u9608\u503c\uff1b\u5982\u679c\u6b63\u5e38\u5c0f\u6ce2\u52a8\u5c31\u4f1a\u89e6\u53d1\u65ad\u8def\u5668\uff0c\u5c31\u63d0\u9ad8\u9608\u503c\u3002\u8bf7\u901a\u8fc7\u538b\u6d4b\u6765\u8c03\u4f18\uff0c\u800c\u4e0d\u662f\u51ed\u76f4\u89c9\u51b3\u5b9a\u3002<\/p>\n
HTTP 429 \u5bf9\u5ba2\u6237\u7aef\u610f\u5473\u7740\u4ec0\u4e48\uff1f<\/h3>\n
HTTP 429 \u8868\u793a\u5ba2\u6237\u7aef\u53d1\u9001\u4e86\u8fc7\u591a\u8bf7\u6c42\u3002\u7f51\u5173\u4f1a\u62d2\u7edd\u8d85\u51fa\u7684\u8bf7\u6c42\uff0c\u5e76\u8fd4\u56de Retry-After \u5934\u3002\u4f60\u5e94\u8be5\u5728\u6587\u6863\u4e2d\u8bf4\u660e\u8fd9\u4e2a\u54cd\u5e94\u5934\u7684\u542b\u4e49\uff0c\u8fd9\u6837\u5ba2\u6237\u7aef\u5c31\u4f1a\u9009\u62e9\u9000\u907f\u91cd\u8bd5\uff0c\u800c\u4e0d\u662f\u7ee7\u7eed\u51b2\u51fb\u4f60\u7684\u63a5\u53e3\u3002<\/p>\n
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