{"id":22156,"date":"2025-07-09T16:21:49","date_gmt":"2025-07-09T08:21:49","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/reasons-for-server-http-429-errors-and-solutions\/"},"modified":"2025-07-09T16:23:46","modified_gmt":"2025-07-09T08:23:46","slug":"reasons-for-server-http-429-errors-and-solutions","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/reasons-for-server-http-429-errors-and-solutions\/","title":{"rendered":"\u4f3a\u670d\u5668HTTP 429\u932f\u8aa4\u51fa\u73fe\u7684\u539f\u56e0\u53ca\u61c9\u5c0d\u65b9\u6cd5"},"content":{"rendered":"<p>\u7406\u89e3\u4e26\u6709\u6548\u7ba1\u7406<a href=\"https:\/\/www.varidata.com\/zh-tw\/knowledge-tc\/http%e5%92%8chttps%e6%9c%89%e4%bb%80%e9%ba%bc%e5%8d%80%e5%88%a5%ef%bc%9f\/\" target=\"_blank\">HTTP 429<\/a>&#8220;\u8acb\u6c42\u904e\u591a&#8221;\u932f\u8aa4\u5c0d\u65bc\u7dad\u8b77\u7a69\u5065\u7684<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/hk\/cn2\/\" target=\"_blank\">\u4f3a\u670d\u5668\u904b\u71df<\/a>\u548cAPI\u53ef\u9760\u6027\u81f3\u95dc\u91cd\u8981\u3002\u672c\u7d9c\u5408\u6307\u5357\u6df1\u5165\u63a2\u8a0e\u4e86\u901f\u7387\u9650\u5236\u7684\u6280\u8853\u7d30\u7bc0\uff0c\u65e2\u63a2\u8a0e\u6839\u672c\u539f\u56e0\uff0c\u4e5f\u63d0\u4f9b\u8655\u7406\u9019\u4e9b\u4f3a\u670d\u5668\u7aef\u6311\u6230\u7684\u9032\u968e\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2><strong>\u6df1\u5165\u7406\u89e3HTTP 429<\/strong><\/h2>\n<p>HTTP 429\u72c0\u614b\u78bc\u8868\u793a\u7576\u5ba2\u6236\u7aef\u5728\u7279\u5b9a\u6642\u9593\u6bb5\u5167\u8d85\u904e\u5141\u8a31\u7684\u8acb\u6c42\u6b21\u6578\u6642\uff0c\u4f3a\u670d\u5668\u767c\u9001\u7684\u56de\u61c9\u3002\u8207\u5e38\u898b\u76844xx\u932f\u8aa4\u4e0d\u540c\uff0c\u9019\u500b\u56de\u61c9\u7279\u5225\u6307\u793a\u901f\u7387\u9650\u5236\u9055\u898f\uff0c\u4f7f\u5176\u6210\u70baAPI\u6cbb\u7406\u548c\u4f3a\u670d\u5668\u8cc7\u6e90\u7ba1\u7406\u7684\u95dc\u9375\u6307\u6a19\u3002<\/p>\n<h2><strong>429\u56de\u61c9\u7684\u5e38\u898b\u89f8\u767c\u56e0\u7d20<\/strong><\/h2>\n<ul>\n<li>\u672a\u8a2d\u7f6e\u9069\u7576\u9593\u9694\u7684\u7a4d\u6975API\u8f2a\u8a62<\/li>\n<li>\u5206\u6563\u5f0f\u963b\u65b7\u670d\u52d9\uff08DDoS\uff09\u6a21\u5f0f<\/li>\n<li>\u914d\u7f6e\u932f\u8aa4\u7684\u5ba2\u6236\u7aef\u8acb\u6c42\u5faa\u74b0<\/li>\n<li>\u4e0d\u5145\u5206\u7684API\u9650\u6d41\u5be6\u4f5c<\/li>\n<li>\u4e26\u884c\u9023\u63a5\u6ea2\u51fa<\/li>\n<\/ul>\n<h2><strong>\u6280\u8853\u6df1\u5ea6\u5256\u6790\uff1a\u901f\u7387\u9650\u5236\u6a5f\u5236<\/strong><\/h2>\n<p>\u901f\u7387\u9650\u5236\u5be6\u4f5c\u901a\u5e38\u4f7f\u7528\u8907\u96dc\u7684\u6f14\u7b97\u6cd5\u4f86\u8ffd\u8e64\u548c\u7ba1\u7406\u8acb\u6c42\u983b\u7387\u3002\u8b93\u6211\u5011\u6aa2\u67e5\u6700\u6709\u6548\u7684\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u4ee4\u724c\u6876\u6f14\u7b97\u6cd5<br \/>\n        <code><br \/>\n        bucket_capacity = 100<br \/>\n        refill_rate = 10 \/\/ \u6bcf\u79d2\u4ee4\u724c\u6578<br \/>\n        current_tokens = min(bucket_capacity, current_tokens + elapsed_time * refill_rate)<br \/>\n        <\/code>\n    <\/li>\n<li>\u6f0f\u6876\u6f14\u7b97\u6cd5<br \/>\n        <code><br \/>\n        queue_size = 100<br \/>\n        processing_rate = 10 \/\/ \u6bcf\u79d2\u8acb\u6c42\u6578<br \/>\n        <\/code>\n    <\/li>\n<li>\u56fa\u5b9a\u8996\u7a97\u8a08\u6578\u5668<\/li>\n<li>\u6ed1\u52d5\u8996\u7a97\u65e5\u8a8c<\/li>\n<\/ul>\n<h2><strong>\u9032\u968e\u8a3a\u65b7\u65b9\u6cd5<\/strong><\/h2>\n<p>\u9047\u5230429\u932f\u8aa4\u6642\uff0c\u7cfb\u7d71\u5316\u8a3a\u65b7\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u7d50\u69cb\u5316\u7684\u6545\u969c\u6392\u9664\u65b9\u6cd5\uff1a<\/p>\n<ol>\n<li>\u4f3a\u670d\u5668\u65e5\u8a8c\u5206\u6790\n<ul>\n<li>\u8acb\u6c42\u6642\u9593\u6233\u8a18<\/li>\n<li>IP\u5206\u5e03\u6a21\u5f0f<\/li>\n<li>\u56de\u61c9\u6642\u9593\u6307\u6a19<\/li>\n<li>\u8cc7\u6e90\u5229\u7528\u7387\u7d71\u8a08<\/li>\n<\/ul>\n<\/li>\n<li>\u7db2\u8def\u6d41\u91cf\u6aa2\u67e5\n<ul>\n<li>\u5c01\u5305\u5206\u6790<\/li>\n<li>\u8acb\u6c42\u6a19\u982d\u6aa2\u67e5<\/li>\n<li>\u901f\u7387\u9650\u5236\u6a19\u982d\u9a57\u8b49<\/li>\n<\/ul>\n<\/li>\n<li>\u5ba2\u6236\u7aef\u76e3\u63a7\n<ul>\n<li>\u8acb\u6c42\u4f47\u5217\u72c0\u614b<\/li>\n<li>\u91cd\u8a66\u6a5f\u5236\u6709\u6548\u6027<\/li>\n<li>\u9023\u63a5\u6c60\u6307\u6a19<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2><strong>\u9810\u9632\u63aa\u65bd\u7684\u5be6\u65bd<\/strong><\/h2>\n<p>\u6709\u6548\u9810\u9632\u9700\u8981\u7d50\u5408\u57fa\u790e\u8a2d\u65bd\u548c\u7a0b\u5f0f\u78bc\u7d1a\u89e3\u6c7a\u65b9\u6848\u7684\u591a\u5c64\u6b21\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>\u57fa\u790e\u8a2d\u65bd\u5c64\u9762\uff1a<br \/>\n        <code><br \/>\n        # Nginx\u901f\u7387\u9650\u5236\u914d\u7f6e<br \/>\n        limit_req_zone $binary_remote_addr zone=one:10m rate=1r\/s;<br \/>\n        limit_req zone=one burst=5 nodelay;<br \/>\n        <\/code>\n    <\/li>\n<li>\u61c9\u7528\u7a0b\u5f0f\u5c64\u9762\uff1a<br \/>\n        <code><br \/>\n        const rateLimit = {<br \/>\n            windowMs: 15 * 60 * 1000, \/\/ 15\u5206\u9418<br \/>\n            max: 100 \/\/ \u5728windowMs\u6642\u9593\u5167\u9650\u5236\u6bcf\u500bIP\u6700\u591a100\u500b\u8acb\u6c42<br \/>\n        };<br \/>\n        <\/code>\n    <\/li>\n<\/ul>\n<h2><strong>\u4f01\u696d\u7d1a\u89e3\u6c7a\u65b9\u6848\u67b6\u69cb<\/strong><\/h2>\n<p>\u5c0d\u65bc\u9ad8\u53ef\u7528\u6027\u7cfb\u7d71\uff0c\u5be6\u65bd\u5168\u9762\u7684\u901f\u7387\u9650\u5236\u7b56\u7565\u9700\u8981\u8907\u96dc\u7684\u67b6\u69cb\u8003\u616e\uff1a<\/p>\n<ul>\n<li>\u5206\u6563\u5f0f\u901f\u7387\u9650\u5236<br \/>\n        <code><br \/>\n        \/\/ \u57fa\u65bcRedis\u7684\u5206\u6563\u5f0f\u901f\u7387\u9650\u5236\u5668<br \/>\n        function checkRateLimit(userId) {<br \/>\n            const key = `ratelimit:${userId}`;<br \/>\n            const limit = 100;<br \/>\n            const window = 3600; \/\/ 1\u5c0f\u6642\uff08\u79d2\uff09<\/p>\n<p>            return redis.multi()<br \/>\n                .incr(key)<br \/>\n                .expire(key, window)<br \/>\n                .exec();<br \/>\n        }<br \/>\n        <\/code>\n    <\/li>\n<li>\u8ca0\u8f09\u5e73\u8861\u5668\u914d\u7f6e<br \/>\n        <code><br \/>\n        # HAProxy\u901f\u7387\u9650\u5236<br \/>\n        stick-table type ip size 100k expire 30s store http_req_rate(10s)<br \/>\n        http-request track-sc0 src<br \/>\n        http-request deny deny_status 429 if { sc_http_req_rate(0) gt 100 }<br \/>\n        <\/code>\n    <\/li>\n<\/ul>\n<h2><strong>\u9032\u968e\u932f\u8aa4\u8655\u7406\u6a21\u5f0f<\/strong><\/h2>\n<p>\u5be6\u65bd\u5065\u5168\u7684\u932f\u8aa4\u8655\u7406\u9700\u8981\u8907\u96dc\u7684\u91cd\u8a66\u6a5f\u5236\u548c\u9000\u907f\u7b56\u7565\uff1a<\/p>\n<ol>\n<li>\u6307\u6578\u9000\u907f\u5be6\u4f5c\uff1a<br \/>\n        <code><br \/>\n        async function retryWithBackoff(operation, retries = 3) {<br \/>\n            for (let i = 0; i < retries; i++) {\n                try {\n                    return await operation();\n                } catch (err) {\n                    if (err.status !== 429) throw err;\n                    const delay = Math.pow(2, i) * 1000;\n                    await new Promise(resolve => setTimeout(resolve, delay));<br \/>\n                }<br \/>\n            }<br \/>\n            throw new Error('\u9054\u5230\u6700\u5927\u91cd\u8a66\u6b21\u6578');<br \/>\n        }<br \/>\n        <\/code>\n    <\/li>\n<li>\u65b7\u8def\u5668\u6a21\u5f0f\uff1a<br \/>\n        <code><br \/>\n        class CircuitBreaker {<br \/>\n            constructor(failureThreshold = 5, resetTimeout = 60000) {<br \/>\n                this.failureCount = 0;<br \/>\n                this.failureThreshold = failureThreshold;<br \/>\n                this.resetTimeout = resetTimeout;<br \/>\n                this.state = 'CLOSED';<br \/>\n            }<br \/>\n        }<br \/>\n        <\/code>\n    <\/li>\n<\/ol>\n<h2><strong>\u76e3\u63a7\u548c\u5206\u6790\u6574\u5408<\/strong><\/h2>\n<p>\u5be6\u65bd\u5168\u9762\u7684\u76e3\u63a7\u89e3\u6c7a\u65b9\u6848\u5c0d\u65bc\u4e3b\u52d5\u901f\u7387\u9650\u5236\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\uff1a<\/p>\n<ul>\n<li>\u9700\u8981\u8ffd\u8e64\u7684\u6307\u6a19\uff1a\n<ul>\n<li>\u6bcf\u500b\u7aef\u9ede\u7684\u8acb\u6c42\u7387<\/li>\n<li>429\u932f\u8aa4\u983b\u7387<\/li>\n<li>\u5e73\u5747\u56de\u61c9\u6642\u9593<\/li>\n<li>\u8cc7\u6e90\u5229\u7528\u7387<\/li>\n<\/ul>\n<\/li>\n<li>\u8b66\u5831\u95be\u503c\uff1a<br \/>\n        <code><br \/>\n        \/\/ \u8b66\u5831\u914d\u7f6e\u793a\u4f8b<br \/>\n        {<br \/>\n            \"429_error_rate\": {<br \/>\n                \"threshold\": \"5%\",<br \/>\n                \"window\": \"5m\",<br \/>\n                \"action\": \"notify_ops\"<br \/>\n            }<br \/>\n        }<br \/>\n        <\/code>\n    <\/li>\n<\/ul>\n<h2><strong>\u6700\u4f73\u5be6\u52d9\u548c\u7522\u696d\u6a19\u6e96<\/strong><\/h2>\n<p>\u5728\u5be6\u65bd\u901f\u7387\u9650\u5236\u7b56\u7565\u6642\uff0c\u9075\u5b88\u7522\u696d\u6700\u4f73\u5be6\u52d9\u53ef\u78ba\u4fdd\u7cfb\u7d71\u6548\u80fd\u6700\u4f73\uff1a<\/p>\n<ul>\n<li>HTTP\u6a19\u982d\u5be6\u4f5c<br \/>\n        <code><br \/>\n        X-RateLimit-Limit: 100<br \/>\n        X-RateLimit-Remaining: 75<br \/>\n        X-RateLimit-Reset: 1640995200<br \/>\n        Retry-After: 3600<br \/>\n        <\/code>\n    <\/li>\n<li>API\u6587\u4ef6\u6a19\u6e96<br \/>\n        <code><br \/>\n        \/\/ OpenAPI\u898f\u7bc4\u793a\u4f8b<br \/>\n        {<br \/>\n          \"responses\": {<br \/>\n            \"429\": {<br \/>\n              \"description\": \"\u8acb\u6c42\u904e\u591a\",<br \/>\n              \"headers\": {<br \/>\n                \"Retry-After\": {<br \/>\n                  \"schema\": {<br \/>\n                    \"type\": \"integer\"<br \/>\n                  }<br \/>\n                }<br \/>\n              }<br \/>\n            }<br \/>\n          }<br \/>\n        }<br \/>\n        <\/code>\n    <\/li>\n<\/ul>\n<h2><strong>\u5e38\u898b\u6280\u8853\u554f\u7b54<\/strong><\/h2>\n<ol>\n<li>\u554f\uff1a\u5fae\u670d\u52d9\u67b6\u69cb\u4e2d\u7684\u901f\u7387\u9650\u5236\u6709\u4f55\u4e0d\u540c\uff1f\n<p>\u7b54\uff1a\u5fae\u670d\u52d9\u9700\u8981\u5206\u6563\u5f0f\u901f\u7387\u9650\u5236\u7b56\u7565\uff0c\u901a\u5e38\u5be6\u4f5c\u4e00\u81f4\u6027\u96dc\u6e4a\u548c\u8de8\u670d\u52d9\u7684\u5171\u4eab\u72c0\u614b\u7ba1\u7406\u3002<\/p>\n<\/li>\n<li>\u554f\uff1aREST API\u7684\u6700\u4f73\u901f\u7387\u9650\u5236\u662f\u591a\u5c11\uff1f\n<p>\u7b54\uff1a\u53d6\u6c7a\u65bc\u57fa\u790e\u8a2d\u65bd\u5bb9\u91cf\uff0c\u4f46\u5c0d\u65bc\u7d93\u904e\u8eab\u4efd\u9a57\u8b49\u7684\u7aef\u9ede\uff0c\u5178\u578b\u7684\u8d77\u9ede\u662f\u6bcf\u5c0f\u66421000-3000\u500b\u8acb\u6c42\uff0c\u4e26\u5141\u8a31\u7a81\u767c\u8acb\u6c42\u3002<\/p>\n<\/li>\n<li>\u554f\uff1a\u5982\u4f55\u5728\u7121\u4f3a\u670d\u5668\u74b0\u5883\u4e2d\u8655\u7406\u901f\u7387\u9650\u5236\uff1f\n<p>\u7b54\uff1a\u4f7f\u7528\u5206\u6563\u5f0f\u5feb\u53d6\uff08Redis\/DynamoDB\uff09\u5be6\u4f5c\u4ee4\u724c\u6876\u6f14\u7b97\u6cd5\uff0c\u4e26\u914d\u7f6e\u4e26\u884c\u57f7\u884c\u9650\u5236\u3002<\/p>\n<\/li>\n<\/ol>\n<h2><strong>\u672a\u4f86\u901f\u7387\u9650\u5236\u7b56\u7565\u7684\u5c55\u671b<\/strong><\/h2>\n<p>\u8003\u616e\u9019\u4e9b\u65b0\u8208\u8da8\u52e2\u548c\u6280\u8853\uff0c\u4ee5\u5be6\u73fe\u9577\u671f\u901f\u7387\u9650\u5236\u89e3\u6c7a\u65b9\u6848\uff1a<\/p>\n<ul>\n<li>AI\u9a45\u52d5\u7684\u901f\u7387\u9650\u5236\u81ea\u9069\u61c9<\/li>\n<li>\u4e0a\u4e0b\u6587\u611f\u77e5\u7bc0\u6d41\u6a5f\u5236<\/li>\n<li>\u91cf\u5b50\u6297\u6027\u901f\u7387\u9650\u5236\u6f14\u7b97\u6cd5<\/li>\n<li>\u908a\u7de3\u904b\u7b97\u901f\u7387\u9650\u5236\u5be6\u4f5c<\/li>\n<\/ul>\n<h2><strong>\u7d50\u8ad6\u548c\u95dc\u9375\u8981\u9ede<\/strong><\/h2>\n<p>\u6709\u6548\u7ba1\u7406HTTP 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