{"id":128785,"date":"2024-10-26T16:44:18","date_gmt":"2024-10-26T08:44:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128785\/"},"modified":"2024-10-26T16:44:19","modified_gmt":"2024-10-26T08:44:19","slug":"redis%e5%af%a6%e7%8f%be%e4%bb%a4%e7%89%8c%e6%a1%b6%e7%ae%97%e6%b3%95%e5%af%a6%e8%b8%90%e8%88%87%e9%a9%97%e8%ad%89%ef%bc%88redis%e9%85%8d%e7%bd%ae%e4%bb%a4%e7%89%8c%e6%a1%b6%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128785\/","title":{"rendered":"Redis\u5be6\u73fe\u4ee4\u724c\u6876\u7b97\u6cd5\u5be6\u8e10\u8207\u9a57\u8b49\uff08redis\u914d\u7f6e\u4ee4\u724c\u6876\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e4%bb%a4%e7%89%8c%e6%a1%b6%e7%ae%97%e6%b3%95%e5%af%a6%e8%b8%90%e8%88%87%e9%a9%97%e8%ad%89%ef%bc%88redis%e9%85%8d%e7%bd%ae%e4%bb%a4%e7%89%8c%e6%a1%b6%ef%bc%89-eWYgLQxhoZ\">Redis\u5be6\u73fe\u4ee4\u724c\u6876\u7b97\u6cd5\u5be6\u8e10\u8207\u9a57\u8b49\uff08redis\u914d\u7f6e\u4ee4\u724c\u6876\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6d41\u91cf\u63a7\u5236\u662f\u4e00\u500b\u81f3\u95dc\u91cd\u8981\u7684\u554f\u984c\u3002\u70ba\u4e86\u9632\u6b62\u670d\u52d9\u5668\u904e\u8f09\uff0c\u958b\u767c\u8005\u5e38\u5e38\u9700\u8981\u9650\u5236\u7528\u6236\u7684\u8acb\u6c42\u901f\u7387\u3002\u4ee4\u724c\u6876\u7b97\u6cd5\uff08Token Bucket Algorithm\uff09\u662f\u4e00\u7a2e\u5e38\u7528\u7684\u6d41\u91cf\u63a7\u5236\u6280\u8853\uff0c\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u8acb\u6c42\u901f\u7387\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u4ee4\u724c\u6876\u7b97\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u914d\u7f6e\u548c\u9a57\u8b49\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e4%bb%a4%e7%89%8c%e6%a1%b6%e7%ae%97%e6%b3%95%ef%bc%9f-eWYgLQxhoZ\">\u4ec0\u9ebc\u662f\u4ee4\u724c\u6876\u7b97\u6cd5\uff1f<\/h2>\n<p>\u4ee4\u724c\u6876\u7b97\u6cd5\u662f\u4e00\u7a2e\u6d41\u91cf\u63a7\u5236\u6a5f\u5236\uff0c\u901a\u904e\u5c07\u8acb\u6c42\u7684\u8655\u7406\u80fd\u529b\u8207\u4ee4\u724c\u7684\u751f\u6210\u901f\u7387\u76f8\u7d50\u5408\u4f86\u5be6\u73fe\u3002\u6bcf\u7576\u4e00\u500b\u8acb\u6c42\u5230\u9054\u6642\uff0c\u7cfb\u7d71\u6703\u6aa2\u67e5\u662f\u5426\u6709\u8db3\u5920\u7684\u4ee4\u724c\u53ef\u7528\u3002\u5982\u679c\u6709\uff0c\u5247\u5141\u8a31\u8acb\u6c42\u901a\u904e\uff0c\u4e26\u5f9e\u6876\u4e2d\u79fb\u9664\u4e00\u500b\u4ee4\u724c\uff1b\u5982\u679c\u6c92\u6709\uff0c\u5247\u8acb\u6c42\u88ab\u62d2\u7d55\u6216\u5ef6\u9072\u3002<\/p>\n<p>\u9019\u7a2e\u7b97\u6cd5\u7684\u512a\u52e2\u5728\u65bc\u5b83\u5141\u8a31\u7a81\u767c\u6d41\u91cf\uff0c\u56e0\u70ba\u6876\u4e2d\u53ef\u4ee5\u5b58\u5132\u4e00\u5b9a\u6578\u91cf\u7684\u4ee4\u724c\uff0c\u9019\u6a23\u5728\u77ed\u6642\u9593\u5167\u53ef\u4ee5\u8655\u7406\u591a\u500b\u8acb\u6c42\uff0c\u800c\u4e0d\u6703\u5f71\u97ff\u6574\u9ad4\u7684\u8acb\u6c42\u901f\u7387\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e4%bb%a4%e7%89%8c%e6%a1%b6%e7%ae%97%e6%b3%95-eWYgLQxhoZ\">\u4f7f\u7528Redis\u5be6\u73fe\u4ee4\u724c\u6876\u7b97\u6cd5<\/h2>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u975e\u5e38\u9069\u5408\u7528\u65bc\u5be6\u73fe\u4ee4\u724c\u6876\u7b97\u6cd5\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u5be6\u73fe\u4ee4\u724c\u6876\u7b97\u6cd5\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%88%9d%e5%a7%8b%e5%8c%96%e4%bb%a4%e7%89%8c%e6%a1%b6-eWYgLQxhoZ\">1. \u521d\u59cb\u5316\u4ee4\u724c\u6876<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\u5728Redis\u4e2d\u8a2d\u7f6e\u4e00\u500b\u9375\u4f86\u8868\u793a\u4ee4\u724c\u6876\u7684\u72c0\u614b\u3002\u9019\u500b\u9375\u5c07\u5b58\u5132\u7576\u524d\u7684\u4ee4\u724c\u6578\u91cf\u548c\u6876\u7684\u5bb9\u91cf\u3002<\/p>\n<pre><code>SET token_bucket 10  # \u8a2d\u7f6e\u6876\u7684\u5bb9\u91cf\u70ba10\nSET token_rate 1      # \u8a2d\u7f6e\u6bcf\u79d2\u751f\u62101\u500b\u4ee4\u724c\n<\/code><\/pre>\n<h3 id=\"2-%e7%8d%b2%e5%8f%96%e4%bb%a4%e7%89%8c-eWYgLQxhoZ\">2. \u7372\u53d6\u4ee4\u724c<\/h3>\n<p>\u7576\u7528\u6236\u767c\u9001\u8acb\u6c42\u6642\uff0c\u6211\u5011\u9700\u8981\u6aa2\u67e5\u6876\u4e2d\u662f\u5426\u6709\u8db3\u5920\u7684\u4ee4\u724c\u3002\u5982\u679c\u6709\uff0c\u5247\u5141\u8a31\u8acb\u6c42\u901a\u904e\uff0c\u4e26\u6e1b\u5c11\u6876\u4e2d\u7684\u4ee4\u724c\u6578\u91cf\uff1b\u5982\u679c\u6c92\u6709\uff0c\u5247\u62d2\u7d55\u8acb\u6c42\u3002<\/p>\n<pre><code>\ndef get_token():\n    current_tokens = int(redis.get('token_bucket'))\n    if current_tokens &gt; 0:\n        redis.decr('token_bucket')  # \u6e1b\u5c11\u4e00\u500b\u4ee4\u724c\n        return True\n    else:\n        return False\n<\/code><\/pre>\n<h3 id=\"3-%e5%ae%9a%e6%99%82%e6%9b%b4%e6%96%b0%e4%bb%a4%e7%89%8c-eWYgLQxhoZ\">3. \u5b9a\u6642\u66f4\u65b0\u4ee4\u724c<\/h3>\n<p>\u70ba\u4e86\u78ba\u4fdd\u4ee4\u724c\u6876\u80fd\u5920\u6301\u7e8c\u751f\u6210\u4ee4\u724c\uff0c\u6211\u5011\u9700\u8981\u8a2d\u7f6e\u4e00\u500b\u5b9a\u6642\u4efb\u52d9\uff0c\u6bcf\u79d2\u66f4\u65b0\u4e00\u6b21\u6876\u4e2d\u7684\u4ee4\u724c\u6578\u91cf\u3002<\/p>\n<pre><code>\nimport time\n\ndef refill_tokens():\n    while True:\n        current_tokens = int(redis.get('token_bucket'))\n        if current_tokens &lt; 10:  # \u5047\u8a2d\u6876\u7684\u5bb9\u91cf\u70ba10\n            redis.incr(&#039;token_bucket&#039;)  # \u589e\u52a0\u4e00\u500b\u4ee4\u724c\n        time.sleep(1)  # \u6bcf\u79d2\u57f7\u884c\u4e00\u6b21\n<\/code><\/pre>\n<h2 id=\"%e9%a9%97%e8%ad%89%e4%bb%a4%e7%89%8c%e6%a1%b6%e7%ae%97%e6%b3%95%e7%9a%84%e6%9c%89%e6%95%88%e6%80%a7-eWYgLQxhoZ\">\u9a57\u8b49\u4ee4\u724c\u6876\u7b97\u6cd5\u7684\u6709\u6548\u6027<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u6211\u5011\u9700\u8981\u9a57\u8b49\u4ee4\u724c\u6876\u7b97\u6cd5\u662f\u5426\u6b63\u5e38\u904b\u884c\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u9032\u884c\u6e2c\u8a66\uff1a<\/p>\n<ul>\n<li>\u6a21\u64ec\u591a\u500b\u7528\u6236\u540c\u6642\u767c\u9001\u8acb\u6c42\uff0c\u89c0\u5bdf\u7cfb\u7d71\u662f\u5426\u80fd\u5920\u6b63\u78ba\u5730\u9650\u5236\u8acb\u6c42\u901f\u7387\u3002<\/li>\n<li>\u6aa2\u67e5Redis\u4e2d\u4ee4\u724c\u6876\u7684\u72c0\u614b\uff0c\u78ba\u4fdd\u4ee4\u724c\u7684\u751f\u6210\u548c\u6d88\u8017\u7b26\u5408\u9810\u671f\u3002<\/li>\n<li>\u8a18\u9304\u8acb\u6c42\u7684\u5ef6\u9072\u6642\u9593\uff0c\u78ba\u4fdd\u5728\u9ad8\u6d41\u91cf\u60c5\u6cc1\u4e0b\u7cfb\u7d71\u4ecd\u7136\u80fd\u5920\u4fdd\u6301\u7a69\u5b9a\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-eWYgLQxhoZ\">\u7d50\u8ad6<\/h2>\n<p>\u4ee4\u724c\u6876\u7b97\u6cd5\u662f\u4e00\u7a2e\u6709\u6548\u7684\u6d41\u91cf\u63a7\u5236\u6280\u8853\uff0c\u901a\u904e\u4f7f\u7528Redis\u4f86\u5be6\u73fe\uff0c\u53ef\u4ee5\u7c21\u5316\u958b\u767c\u904e\u7a0b\u4e26\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3002\u901a\u904e\u6b63\u78ba\u7684\u914d\u7f6e\u548c\u9a57\u8b49\uff0c\u6211\u5011\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u5728\u9ad8\u6d41\u91cf\u60c5\u6cc1\u4e0b\u4ecd\u7136\u80fd\u5920\u6b63\u5e38\u904b\u884c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bcVPS\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u4ee4\u724c\u6876\u7b97\u6cd5\uff0c\u4e26\u9032\u884c\u914d\u7f6e\u8207\u9a57\u8b49\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u6d41\u91cf\u63a7\u5236\u8207\u6027\u80fd\u7ba1\u7406\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-128785","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128785","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=128785"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128785\/revisions"}],"predecessor-version":[{"id":128786,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128785\/revisions\/128786"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}