{"id":166649,"date":"2024-11-05T18:10:24","date_gmt":"2024-11-05T10:10:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166649\/"},"modified":"2024-11-05T18:10:25","modified_gmt":"2024-11-05T10:10:25","slug":"%e5%bf%ab%e9%80%9f%e9%81%8b%e8%a1%8c%ef%bc%8c%e4%bd%86%e8%a6%81%e6%85%a2%e4%b8%8b%e4%be%86redis%e9%99%90%e9%80%9f%e7%89%b9%e6%80%a7%ef%bc%88redis%e9%80%9f%e5%ba%a6%e9%99%90%e5%88%b6%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166649\/","title":{"rendered":"\u5feb\u901f\u904b\u884c\uff0c\u4f46\u8981\u6162\u4e0b\u4f86Redis\u9650\u901f\u7279\u6027\uff08redis\u901f\u5ea6\u9650\u5236\uff09"},"content":{"rendered":"<h1 id=\"%e5%bf%ab%e9%80%9f%e9%81%8b%e8%a1%8c%ef%bc%8c%e4%bd%86%e8%a6%81%e6%85%a2%e4%b8%8b%e4%be%86%ef%bc%9aredis%e9%99%90%e9%80%9f%e7%89%b9%e6%80%a7%ef%bc%88redis%e9%80%9f%e5%ba%a6%e9%99%90%e5%88%b6%ef%bc%89-ZnhLgdEeuj\">\u5feb\u901f\u904b\u884c\uff0c\u4f46\u8981\u6162\u4e0b\u4f86\uff1aRedis\u9650\u901f\u7279\u6027\uff08redis\u901f\u5ea6\u9650\u5236\uff09<\/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\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u7136\u800c\uff0c\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u589e\u9577\u548c\u7528\u6236\u9700\u6c42\u7684\u8b8a\u5316\uff0c\u5c0d\u65bcRedis\u7684\u901f\u5ea6\u9650\u5236\u7279\u6027\u4e5f\u9010\u6f38\u5f15\u8d77\u4e86\u958b\u767c\u8005\u7684\u95dc\u6ce8\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u7684\u901f\u5ea6\u9650\u5236\u7279\u6027\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\uff0c\u4ee5\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e9%80%9f%e5%ba%a6%e9%99%90%e5%88%b6%ef%bc%9f-ZnhLgdEeuj\">\u4ec0\u9ebc\u662fRedis\u901f\u5ea6\u9650\u5236\uff1f<\/h2>\n<p>Redis\u901f\u5ea6\u9650\u5236\u662f\u6307\u5728\u7279\u5b9a\u60c5\u6cc1\u4e0b\uff0c\u5c0dRedis\u64cd\u4f5c\u7684\u57f7\u884c\u901f\u5ea6\u9032\u884c\u63a7\u5236\u7684\u80fd\u529b\u3002\u9019\u4e00\u7279\u6027\u4e3b\u8981\u7528\u65bc\u9632\u6b62\u7cfb\u7d71\u904e\u8f09\uff0c\u78ba\u4fdd\u670d\u52d9\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002\u901a\u904e\u8a2d\u7f6e\u901f\u5ea6\u9650\u5236\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a7\u5236\u6bcf\u79d2\u5141\u8a31\u7684\u8acb\u6c42\u6578\u91cf\uff0c\u5f9e\u800c\u907f\u514d\u56e0\u6d41\u91cf\u6fc0\u589e\u800c\u5c0e\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%80%9f%e5%ba%a6%e9%99%90%e5%88%b6%ef%bc%9f-ZnhLgdEeuj\">\u70ba\u4ec0\u9ebc\u9700\u8981\u901f\u5ea6\u9650\u5236\uff1f<\/h2>\n<p>\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\uff0c\u61c9\u7528\u7a0b\u5e8f\u7684\u6d41\u91cf\u53ef\u80fd\u6703\u7a81\u7136\u589e\u52a0\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4Redis\u670d\u52d9\u5668\u7684\u904e\u8f09\u3002\u901f\u5ea6\u9650\u5236\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\uff1a<\/p>\n<ul>\n<li>\u4fdd\u8b77\u7cfb\u7d71\u8cc7\u6e90\uff0c\u9632\u6b62\u56e0\u904e\u591a\u8acb\u6c42\u800c\u5c0e\u81f4\u7684\u5d29\u6f70\u3002<\/li>\n<li>\u78ba\u4fdd\u516c\u5e73\u4f7f\u7528\uff0c\u907f\u514d\u67d0\u4e9b\u7528\u6236\u6216\u8acb\u6c42\u4f54\u7528\u904e\u591a\u8cc7\u6e90\u3002<\/li>\n<li>\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u97ff\u61c9\u901f\u5ea6\uff0c\u6539\u5584\u7528\u6236\u9ad4\u9a57\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8redis%e4%b8%ad%e5%af%a6%e7%8f%be%e9%80%9f%e5%ba%a6%e9%99%90%e5%88%b6%ef%bc%9f-ZnhLgdEeuj\">\u5982\u4f55\u5728Redis\u4e2d\u5be6\u73fe\u901f\u5ea6\u9650\u5236\uff1f<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u901f\u5ea6\u9650\u5236\uff0c\u5176\u4e2d\u6700\u5e38\u898b\u7684\u65b9\u5f0f\u662f\u4f7f\u7528\u4ee4\u724c\u6876\u7b97\u6cd5\u6216\u6f0f\u6876\u7b97\u6cd5\u3002\u9019\u4e9b\u7b97\u6cd5\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u6839\u64da\u7279\u5b9a\u7684\u9700\u6c42\u8a2d\u7f6e\u8acb\u6c42\u7684\u901f\u7387\u9650\u5236\u3002<\/p>\n<h3 id=\"%e4%bb%a4%e7%89%8c%e6%a1%b6%e7%ae%97%e6%b3%95%e7%a4%ba%e4%be%8b-ZnhLgdEeuj\">\u4ee4\u724c\u6876\u7b97\u6cd5\u793a\u4f8b<\/h3>\n<p>\u4ee4\u724c\u6876\u7b97\u6cd5\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u901f\u7387\u9650\u5236\u6280\u8853\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Redis\u5be6\u73fe\u4ee4\u724c\u6876\u7b97\u6cd5\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nSET rate_limit_key \"0\"\nSET rate_limit_capacity \"10\"\nSET rate_limit_refill_rate \"1\"\n\n# \u6bcf\u79d2\u589e\u52a0\u4e00\u500b\u4ee4\u724c\nEVAL \"\nlocal current = tonumber(redis.call('GET', KEYS[1]))\nlocal capacity = tonumber(redis.call('GET', KEYS[2]))\nlocal refill_rate = tonumber(redis.call('GET', KEYS[3]))\n\nif current &lt; capacity then\n    redis.call('INCR', KEYS[1])\n    return 1\nelse\n    return 0\nend\n\" 1 rate_limit_key rate_limit_capacity rate_limit_refill_rate\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u8a2d\u7f6e\u4e86\u4e00\u500b\u4ee4\u724c\u6876\uff0c\u6700\u591a\u53ef\u4ee5\u5bb9\u7d0d10\u500b\u4ee4\u724c\uff0c\u6bcf\u79d2\u88dc\u51451\u500b\u4ee4\u724c\u3002\u7576\u8acb\u6c42\u5230\u9054\u6642\uff0c\u6211\u5011\u6aa2\u67e5\u7576\u524d\u7684\u4ee4\u724c\u6578\u91cf\uff0c\u5982\u679c\u6709\u53ef\u7528\u7684\u4ee4\u724c\uff0c\u5247\u5141\u8a31\u8acb\u6c42\u901a\u904e\u3002<\/p>\n<h3 id=\"%e6%bc%8f%e6%a1%b6%e7%ae%97%e6%b3%95%e7%a4%ba%e4%be%8b-ZnhLgdEeuj\">\u6f0f\u6876\u7b97\u6cd5\u793a\u4f8b<\/h3>\n<p>\u6f0f\u6876\u7b97\u6cd5\u662f\u53e6\u4e00\u7a2e\u5e38\u898b\u7684\u901f\u7387\u9650\u5236\u6280\u8853\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Redis\u5be6\u73fe\u6f0f\u6876\u7b97\u6cd5\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nSET leak_bucket_key \"0\"\nSET leak_bucket_capacity \"10\"\nSET leak_bucket_leak_rate \"1\"\n\n# \u6bcf\u79d2\u6f0f\u6389\u4e00\u500b\u8acb\u6c42\nEVAL \"\nlocal current = tonumber(redis.call('GET', KEYS[1]))\nlocal capacity = tonumber(redis.call('GET', KEYS[2]))\nlocal leak_rate = tonumber(redis.call('GET', KEYS[3]))\n\nif current &lt; capacity then\n    redis.call('INCR', KEYS[1])\n    return 1\nelse\n    return 0\nend\n\" 1 leak_bucket_key leak_bucket_capacity leak_bucket_leak_rate\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u8a2d\u7f6e\u4e86\u4e00\u500b\u6f0f\u6876\uff0c\u6700\u591a\u53ef\u4ee5\u5bb9\u7d0d10\u500b\u8acb\u6c42\uff0c\u6bcf\u79d2\u6f0f\u63891\u500b\u8acb\u6c42\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u8acb\u6c42\u7684\u901f\u7387\uff0c\u907f\u514d\u7cfb\u7d71\u904e\u8f09\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-ZnhLgdEeuj\">\u7d50\u8ad6<\/h2>\n<p>Redis\u7684\u901f\u5ea6\u9650\u5236\u7279\u6027\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u7a2e\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u7ba1\u7406\u7cfb\u7d71\u8cc7\u6e90\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002\u901a\u904e\u4f7f\u7528\u4ee4\u724c\u6876\u6216\u6f0f\u6876\u7b97\u6cd5\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u9748\u6d3b\u5730\u8a2d\u7f6e\u8acb\u6c42\u7684\u901f\u7387\u9650\u5236\u3002\u9019\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u9084\u80fd\u6539\u5584\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72Redis\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\u90fd\u80fd\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u5f37\u6709\u529b\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7684\u901f\u5ea6\u9650\u5236\u7279\u6027\uff0c\u4e86\u89e3\u5982\u4f55\u5728\u5feb\u901f\u904b\u884c\u4e2d\u6709\u6548\u7ba1\u7406\u6d41\u91cf\uff0c\u5be6\u73fe\u6027\u80fd\u8207\u7a69\u5b9a\u6027\u7684\u5e73\u8861\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-166649","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166649","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=166649"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166649\/revisions"}],"predecessor-version":[{"id":166650,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166649\/revisions\/166650"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=166649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=166649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=166649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}