{"id":189166,"date":"2024-11-12T05:13:18","date_gmt":"2024-11-11T21:13:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/189166\/"},"modified":"2024-11-12T05:13:19","modified_gmt":"2024-11-11T21:13:19","slug":"%e6%8f%90%e5%8d%87%e6%95%88%e7%8e%87%e4%bd%bf%e7%94%a8%e5%b8%b8%e7%94%a8%e7%9a%84redis%e6%8a%91%e5%88%b6%e5%8a%91%ef%bc%88%e5%b8%b8%e7%94%a8%e7%9a%84redis%e6%8a%91%e5%88%b6%e5%8a%91%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/189166\/","title":{"rendered":"\u63d0\u5347\u6548\u7387\u4f7f\u7528\u5e38\u7528\u7684Redis\u6291\u5236\u5291\uff08\u5e38\u7528\u7684redis\u6291\u5236\u5291\uff09"},"content":{"rendered":"<h1 id=\"%e6%8f%90%e5%8d%87%e6%95%88%e7%8e%87%e4%bd%bf%e7%94%a8%e5%b8%b8%e7%94%a8%e7%9a%84redis%e6%8a%91%e5%88%b6%e5%8a%91-rarczpMOfn\">\u63d0\u5347\u6548\u7387\u4f7f\u7528\u5e38\u7528\u7684Redis\u6291\u5236\u5291<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u4f7f\u7528Redis\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u5e38\u7528\u7684Redis\u6291\u5236\u5291\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u5347\u6548\u7387\uff0c\u512a\u5316\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e6%8a%91%e5%88%b6%e5%8a%91%ef%bc%9f-rarczpMOfn\">\u4ec0\u9ebc\u662fRedis\u6291\u5236\u5291\uff1f<\/h2>\n<p>Redis\u6291\u5236\u5291\uff08Redis Throttling\uff09\u662f\u6307\u5728\u4f7f\u7528Redis\u6642\uff0c\u901a\u904e\u9650\u5236\u8acb\u6c42\u7684\u983b\u7387\u6216\u6578\u91cf\u4f86\u9632\u6b62\u7cfb\u7d71\u904e\u8f09\u6216\u8cc7\u6e90\u6d6a\u8cbb\u7684\u6280\u8853\u3002\u9019\u4e9b\u6291\u5236\u5291\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u63a7\u5236\u6d41\u91cf\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e7%94%a8%e7%9a%84redis%e6%8a%91%e5%88%b6%e5%8a%91-rarczpMOfn\">\u5e38\u7528\u7684Redis\u6291\u5236\u5291<\/h2>\n<h3 id=\"1-%e4%bb%a4%e7%89%8c%e6%a1%b6%e7%ae%97%e6%b3%95%ef%bc%88token-bucket%ef%bc%89-rarczpMOfn\">1. \u4ee4\u724c\u6876\u7b97\u6cd5\uff08Token Bucket\uff09<\/h3>\n<p>\u4ee4\u724c\u6876\u7b97\u6cd5\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u6d41\u91cf\u63a7\u5236\u6280\u8853\u3002\u5b83\u901a\u904e\u5728\u56fa\u5b9a\u7684\u6642\u9593\u9593\u9694\u5167\u751f\u6210\u4ee4\u724c\u4f86\u9650\u5236\u8acb\u6c42\u7684\u6578\u91cf\u3002\u6bcf\u7576\u4e00\u500b\u8acb\u6c42\u5230\u9054\u6642\uff0c\u7cfb\u7d71\u6703\u6aa2\u67e5\u662f\u5426\u6709\u53ef\u7528\u7684\u4ee4\u724c\u3002\u5982\u679c\u6709\uff0c\u5247\u5141\u8a31\u8acb\u6c42\u901a\u904e\uff1b\u5982\u679c\u6c92\u6709\uff0c\u5247\u8acb\u6c42\u5c07\u88ab\u62d2\u7d55\u6216\u5ef6\u9072\u3002<\/p>\n<pre><code>\n# \u4f2a\u4ee3\u7801\u793a\u4f8b\nif tokens &gt; 0:\n    allow_request()\n    tokens -= 1\nelse:\n    deny_request()\n<\/code><\/pre>\n<h3 id=\"2-%e6%bc%8f%e6%a1%b6%e7%ae%97%e6%b3%95%ef%bc%88leaky-bucket%ef%bc%89-rarczpMOfn\">2. \u6f0f\u6876\u7b97\u6cd5\uff08Leaky Bucket\uff09<\/h3>\n<p>\u6f0f\u6876\u7b97\u6cd5\u662f\u4e00\u7a2e\u5e73\u6ed1\u6d41\u91cf\u7684\u6280\u8853\u3002\u5b83\u5c07\u8acb\u6c42\u653e\u5165\u4e00\u500b\u56fa\u5b9a\u5927\u5c0f\u7684\u6876\u4e2d\uff0c\u4e26\u4ee5\u56fa\u5b9a\u7684\u901f\u7387\u8655\u7406\u9019\u4e9b\u8acb\u6c42\u3002\u9019\u6a23\u53ef\u4ee5\u9632\u6b62\u7a81\u767c\u6d41\u91cf\u5c0d\u7cfb\u7d71\u9020\u6210\u5f71\u97ff\uff0c\u78ba\u4fdd\u8acb\u6c42\u7684\u7a69\u5b9a\u8655\u7406\u3002<\/p>\n<pre><code>\n# \u4f2a\u4ee3\u7801\u793a\u4f8b\nif bucket_size &lt; max_size:\n    add_request_to_bucket()\nelse:\n    deny_request()\nprocess_requests()\n<\/code><\/pre>\n<h3 id=\"3-%e9%99%90%e6%b5%81%e5%99%a8%ef%bc%88rate-limiter%ef%bc%89-rarczpMOfn\">3. \u9650\u6d41\u5668\uff08Rate Limiter\uff09<\/h3>\n<p>\u9650\u6d41\u5668\u662f\u4e00\u7a2e\u901a\u904e\u8a2d\u7f6e\u6642\u9593\u7a97\u53e3\u4f86\u9650\u5236\u8acb\u6c42\u6578\u91cf\u7684\u6280\u8853\u3002\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u8a2d\u7f6e\u6bcf\u500b\u7528\u6236\u5728\u7279\u5b9a\u6642\u9593\u5167\u7684\u6700\u5927\u8acb\u6c42\u6578\u91cf\uff0c\u5f9e\u800c\u6709\u6548\u9632\u6b62\u6feb\u7528\u548c\u904e\u8f09\u3002<\/p>\n<pre><code>\n# \u4f2a\u4ee3\u7801\u793a\u4f8b\nif request_count &lt; max_requests_per_window:\n    allow_request()\nelse:\n    deny_request()\n<\/code><\/pre>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8redis%e4%b8%ad%e5%af%a6%e7%8f%be%e6%8a%91%e5%88%b6%e5%8a%91-rarczpMOfn\">\u5982\u4f55\u5728Redis\u4e2d\u5be6\u73fe\u6291\u5236\u5291<\/h2>\n<p>\u5728Redis\u4e2d\u5be6\u73fe\u9019\u4e9b\u6291\u5236\u5291\u901a\u5e38\u6d89\u53ca\u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c\u548c\u6578\u64da\u7d50\u69cb\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8redis%e7%9a%84%e5%8e%9f%e5%ad%90%e6%93%8d%e4%bd%9c-rarczpMOfn\">\u4f7f\u7528Redis\u7684\u539f\u5b50\u64cd\u4f5c<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u539f\u5b50\u64cd\u4f5c\uff0c\u5982INCR\u548cDECR\uff0c\u53ef\u4ee5\u7528\u65bc\u5be6\u73fe\u9650\u6d41\u5668\u548c\u4ee4\u724c\u6876\u7b97\u6cd5\u3002\u4f8b\u5982\uff0c\u4f7f\u7528INCR\u547d\u4ee4\u53ef\u4ee5\u8f15\u9b06\u5730\u8ddf\u8e2a\u8acb\u6c42\u6578\u91cf\uff1a<\/p>\n<pre><code>\n# \u589e\u52a0\u8acb\u6c42\u8a08\u6578\nINCR request_count\n# \u6aa2\u67e5\u8acb\u6c42\u662f\u5426\u8d85\u904e\u9650\u5236\nif request_count &gt; max_requests:\n    deny_request()\n<\/code><\/pre>\n<h3 id=\"%e4%bd%bf%e7%94%a8redis%e7%9a%84%e9%81%8e%e6%9c%9f%e9%8d%b5-rarczpMOfn\">\u4f7f\u7528Redis\u7684\u904e\u671f\u9375<\/h3>\n<p>\u5229\u7528Redis\u7684\u904e\u671f\u9375\u529f\u80fd\uff0c\u53ef\u4ee5\u81ea\u52d5\u6e05\u9664\u904e\u671f\u7684\u8acb\u6c42\u8a08\u6578\uff0c\u5f9e\u800c\u5be6\u73fe\u6642\u9593\u7a97\u53e3\u7684\u6548\u679c\uff1a<\/p>\n<pre><code>\n# \u8a2d\u7f6e\u8acb\u6c42\u8a08\u6578\u4e26\u8a2d\u7f6e\u904e\u671f\u6642\u9593\nSET request_count 1 EX 60\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-rarczpMOfn\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528Redis\u6291\u5236\u5291\u53ef\u4ee5\u6709\u6548\u63d0\u5347\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u6d41\u91cf\u7684\u61c9\u7528\u5834\u666f\u4e2d\u3002\u901a\u904e\u5408\u7406\u9078\u64c7\u548c\u5be6\u73fe\u9019\u4e9b\u6291\u5236\u5291\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u8cc7\u6e90\uff0c\u9632\u6b62\u7cfb\u7d71\u904e\u8f09\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684VPS\u670d\u52d9\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u7684\u8cc7\u8a0a\uff0c\u5c07\u6709\u52a9\u65bc\u60a8\u5728\u642d\u5efa\u9ad8\u6548\u7cfb\u7d71\u6642\u505a\u51fa\u660e\u667a\u7684\u9078\u64c7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u63d0\u5347\u6548\u7387\u7684\u5e38\u7528Redis\u6291\u5236\u5242\uff0c\u4f18\u5316\u6027\u80fd\uff0c\u51cf\u5c11\u5ef6\u8fdf\uff0c\u52a9\u529b\u9ad8\u6548\u6570\u636e\u7ba1\u7406\u4e0e\u5e94\u7528\u5f00\u53d1\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-189166","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=189166"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189166\/revisions"}],"predecessor-version":[{"id":189167,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189166\/revisions\/189167"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=189166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=189166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=189166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}