{"id":98668,"date":"2024-10-21T04:32:15","date_gmt":"2024-10-20T20:32:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98668\/"},"modified":"2024-10-21T04:32:16","modified_gmt":"2024-10-20T20:32:16","slug":"redis-%e7%9a%84%e6%bc%8f%e6%b4%9e%e6%a1%b6%e9%99%90%e6%b5%81%e6%8a%80%e8%a1%93%e7%b6%ad%e8%ad%b7%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98668\/","title":{"rendered":"Redis \u7684\u6f0f\u6d1e\u6876\u9650\u6d41\u6280\u8853\u7dad\u8b77\u5b89\u5168"},"content":{"rendered":"<h1 id=\"redis-%e7%9a%84%e6%bc%8f%e6%b4%9e%e6%a1%b6%e9%99%90%e6%b5%81%e6%8a%80%e8%a1%93%e7%b6%ad%e8%ad%b7%e5%ae%89%e5%85%a8-CFSBCnMyhj\">Redis \u7684\u6f0f\u6d1e\u6876\u9650\u6d41\u6280\u8853\u7dad\u8b77\u5b89\u5168<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u5b89\u5168\u6027\u6210\u70ba\u4e86\u6bcf\u500b\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u5fc5\u9808\u91cd\u8996\u7684\u8ab2\u984c\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u7136\u800c\uff0c\u96a8\u8457\u5176\u4f7f\u7528\u7684\u666e\u53ca\uff0cRedis \u7684\u5b89\u5168\u6f0f\u6d1e\u4e5f\u9010\u6f38\u6d6e\u51fa\u6c34\u9762\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7684\u6f0f\u6d1e\u6876\u9650\u6d41\u6280\u8853\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u7dad\u8b77\u5b89\u5168\u7684\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%bc%8f%e6%b4%9e%e6%a1%b6%e9%99%90%e6%b5%81%e6%8a%80%e8%a1%93%ef%bc%9f-CFSBCnMyhj\">\u4ec0\u9ebc\u662f\u6f0f\u6d1e\u6876\u9650\u6d41\u6280\u8853\uff1f<\/h2>\n<p>\u6f0f\u6d1e\u6876\u9650\u6d41\u6280\u8853\uff08Leaky Bucket Rate Limiting\uff09\u662f\u4e00\u7a2e\u63a7\u5236\u8acb\u6c42\u901f\u7387\u7684\u7b97\u6cd5\u3002\u5176\u57fa\u672c\u539f\u7406\u662f\u5c07\u8acb\u6c42\u8996\u70ba\u6c34\u6d41\uff0c\u800c\u6876\u5247\u662f\u7528\u4f86\u5132\u5b58\u9019\u4e9b\u8acb\u6c42\u7684\u5bb9\u5668\u3002\u7576\u8acb\u6c42\u9032\u5165\u6876\u4e2d\u6642\uff0c\u6876\u7684\u5bb9\u91cf\u6709\u9650\uff0c\u8d85\u904e\u5bb9\u91cf\u7684\u8acb\u6c42\u5c07\u88ab\u4e1f\u68c4\u3002\u9019\u7a2e\u65b9\u6cd5\u80fd\u6709\u6548\u9632\u6b62\u7cfb\u7d71\u904e\u8f09\uff0c\u4e26\u4fdd\u8b77\u5f8c\u7aef\u670d\u52d9\u4e0d\u53d7\u60e1\u610f\u653b\u64ca\u3002<\/p>\n<h3 id=\"redis-%e4%b8%ad%e7%9a%84%e6%bc%8f%e6%b4%9e%e6%a1%b6%e9%99%90%e6%b5%81%e5%af%a6%e7%8f%be-CFSBCnMyhj\">Redis \u4e2d\u7684\u6f0f\u6d1e\u6876\u9650\u6d41\u5be6\u73fe<\/h3>\n<p>\u5728 Redis \u4e2d\u5be6\u73fe\u6f0f\u6d1e\u6876\u9650\u6d41\u6280\u8853\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>SET rate_limit_key 0 EX 1 NX\nINCR rate_limit_key\nIF (GET rate_limit_key &gt; bucket_capacity) THEN\n    RETURN \"Rate limit exceeded\"\nELSE\n    RETURN \"Request allowed\"\nEND IF<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86 Redis \u7684 `SET` \u548c `INCR` \u547d\u4ee4\u4f86\u7ba1\u7406\u8acb\u6c42\u7684\u8a08\u6578\u3002`bucket_capacity` \u662f\u6876\u7684\u6700\u5927\u5bb9\u91cf\uff0c\u7576\u8acb\u6c42\u6578\u91cf\u8d85\u904e\u9019\u500b\u9650\u5236\u6642\uff0c\u7cfb\u7d71\u5c07\u8fd4\u56de\u201cRate limit exceeded\u201d\u7684\u6d88\u606f\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%ae%89%e5%85%a8%e6%bc%8f%e6%b4%9e-CFSBCnMyhj\">Redis \u7684\u5b89\u5168\u6f0f\u6d1e<\/h2>\n<p>\u5118\u7ba1 Redis \u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u548c\u6aa2\u7d22\u529f\u80fd\uff0c\u4f46\u5176\u5b89\u5168\u6027\u554f\u984c\u4e0d\u5bb9\u5ffd\u8996\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u5b89\u5168\u6f0f\u6d1e\uff1a<\/p>\n<ul>\n<li><strong>\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\uff1a<\/strong>\u5982\u679c Redis \u6c92\u6709\u8a2d\u7f6e\u5bc6\u78bc\uff0c\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u8a2a\u554f\u6578\u64da\u5eab\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u6d29\u9732\u3002<\/li>\n<li><strong>\u547d\u4ee4\u6ce8\u5165\uff1a<\/strong>\u653b\u64ca\u8005\u53ef\u4ee5\u5229\u7528 Redis \u7684\u547d\u4ee4\u57f7\u884c\u7279\u6027\uff0c\u57f7\u884c\u4efb\u610f\u547d\u4ee4\uff0c\u5f9e\u800c\u640d\u5bb3\u7cfb\u7d71\u5b89\u5168\u3002<\/li>\n<li><strong>\u6578\u64da\u640d\u58de\uff1a<\/strong>\u4e0d\u7576\u7684\u914d\u7f6e\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u640d\u58de\u6216\u4e1f\u5931\uff0c\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%b6%ad%e8%ad%b7-redis-%e5%ae%89%e5%85%a8%e7%9a%84%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-CFSBCnMyhj\">\u7dad\u8b77 Redis \u5b89\u5168\u7684\u6700\u4f73\u5be6\u8e10<\/h3>\n<p>\u70ba\u4e86\u4fdd\u8b77 Redis \u514d\u53d7\u6f5b\u5728\u7684\u5b89\u5168\u5a01\u8105\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u8a2d\u7f6e\u5bc6\u78bc\uff1a<\/strong>\u78ba\u4fdd Redis \u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\u4e86\u5bc6\u78bc\uff0c\u9632\u6b62\u672a\u7d93\u6388\u6b0a\u7684\u8a2a\u554f\u3002<\/li>\n<li><strong>\u9650\u5236\u8a2a\u554f IP\uff1a<\/strong>\u901a\u904e\u914d\u7f6e\u9632\u706b\u7246\u6216 Redis \u7684 `bind` \u8a2d\u7f6e\uff0c\u9650\u5236\u53ef\u4ee5\u8a2a\u554f Redis \u7684 IP \u5730\u5740\u3002<\/li>\n<li><strong>\u5b9a\u671f\u66f4\u65b0\uff1a<\/strong>\u4fdd\u6301 Redis \u7684\u7248\u672c\u66f4\u65b0\uff0c\u4ee5\u4fee\u88dc\u5df2\u77e5\u7684\u5b89\u5168\u6f0f\u6d1e\u3002<\/li>\n<li><strong>\u4f7f\u7528 TLS \u52a0\u5bc6\uff1a<\/strong>\u5728\u50b3\u8f38\u904e\u7a0b\u4e2d\u4f7f\u7528 TLS \u52a0\u5bc6\uff0c\u4fdd\u8b77\u6578\u64da\u7684\u5b89\u5168\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-CFSBCnMyhj\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u6f0f\u6d1e\u6876\u9650\u6d41\u6280\u8853\u662f\u4e00\u7a2e\u6709\u6548\u7684\u8acb\u6c42\u63a7\u5236\u65b9\u6cd5\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u7dad\u8b77\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u5b89\u5168\u6027\u3002\u7136\u800c\uff0c\u96a8\u8457\u5b89\u5168\u5a01\u8105\u7684\u589e\u52a0\uff0c\u958b\u767c\u8005\u5fc5\u9808\u63a1\u53d6\u5fc5\u8981\u7684\u63aa\u65bd\u4f86\u4fdd\u8b77 Redis \u74b0\u5883\u3002\u901a\u904e\u8a2d\u7f6e\u5bc6\u78bc\u3001\u9650\u5236\u8a2a\u554f IP \u548c\u5b9a\u671f\u66f4\u65b0\u7b49\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8 Redis \u7684\u5b89\u5168\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u548c\u5176\u4ed6\u670d\u52d9\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u6f0f\u6d1e\u6876\u9650\u6d41\u6280\u8853\u6709\u6548\u7dad\u8b77\u7cfb\u7d71\u5b89\u5168\uff0c\u9632\u6b62\u904e\u8f09\u653b\u64ca\uff0c\u78ba\u4fdd\u670d\u52d9\u7a69\u5b9a\u904b\u884c\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\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-98668","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98668","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=98668"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98668\/revisions"}],"predecessor-version":[{"id":98669,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98668\/revisions\/98669"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98668"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98668"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98668"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}