{"id":187940,"date":"2024-11-11T18:27:20","date_gmt":"2024-11-11T10:27:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187940\/"},"modified":"2024-11-11T18:27:21","modified_gmt":"2024-11-11T10:27:21","slug":"%e6%95%b8%e6%93%9a%e5%88%a9%e7%94%a8redis%e8%a7%a3%e6%b1%ba%e7%86%b1%e9%bb%9e%e6%95%b8%e6%93%9a%e7%b7%a9%e5%ad%98%e5%95%8f%e9%a1%8c%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e7%86%b1%e9%bb%9e%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187940\/","title":{"rendered":"\u6578\u64da\u5229\u7528Redis\u89e3\u6c7a\u71b1\u9ede\u6578\u64da\u7de9\u5b58\u554f\u984c\uff08redis \u7de9\u5b58\u71b1\u9ede\uff09"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%88%a9%e7%94%a8redis%e8%a7%a3%e6%b1%ba%e7%86%b1%e9%bb%9e%e6%95%b8%e6%93%9a%e7%b7%a9%e5%ad%98%e5%95%8f%e9%a1%8c%ef%bc%88redis-%e7%b7%a9%e5%ad%98%e7%86%b1%e9%bb%9e%ef%bc%89-BVHIAntwRJ\">\u6578\u64da\u5229\u7528Redis\u89e3\u6c7a\u71b1\u9ede\u6578\u64da\u7de9\u5b58\u554f\u984c\uff08redis \u7de9\u5b58\u71b1\u9ede\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u67d0\u4e9b\u6578\u64da\u7684\u8a2a\u554f\u983b\u7387\u6703\u986f\u8457\u4e0a\u5347\uff0c\u9019\u5c31\u7522\u751f\u4e86\u6240\u8b02\u7684\u201c\u71b1\u9ede\u6578\u64da\u201d\u554f\u984c\u3002\u71b1\u9ede\u6578\u64da\u662f\u6307\u5728\u7279\u5b9a\u6642\u9593\u5167\u88ab\u5927\u91cf\u8acb\u6c42\u7684\u6578\u64da\uff0c\u9019\u6703\u5c0e\u81f4\u5f8c\u7aef\u6578\u64da\u5eab\u7684\u8ca0\u64d4\u52a0\u91cd\uff0c\u5f9e\u800c\u5f71\u97ff\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u4e00\u554f\u984c\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u7de9\u89e3\u71b1\u9ede\u6578\u64da\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%ef%bc%9f-BVHIAntwRJ\">\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002\u5176\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6027\u80fd\uff1aRedis\u80fd\u5920\u4ee5\u6beb\u79d2\u7d1a\u7684\u5ef6\u9072\u8655\u7406\u6578\u767e\u842c\u6b21\u8acb\u6c42\u3002<\/li>\n<li>\u6301\u4e45\u5316\uff1a\u652f\u6301\u5c07\u6578\u64da\u6301\u4e45\u5316\u5230\u78c1\u789f\uff0c\u9632\u6b62\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u5206\u4f48\u5f0f\uff1a\u652f\u6301\u5206\u7247\u548c\u96c6\u7fa4\u6a21\u5f0f\uff0c\u80fd\u5920\u8f15\u9b06\u64f4\u5c55\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%86%b1%e9%bb%9e%e6%95%b8%e6%93%9a%e7%9a%84%e6%8c%91%e6%88%b0-BVHIAntwRJ\">\u71b1\u9ede\u6578\u64da\u7684\u6311\u6230<\/h2>\n<p>\u71b1\u9ede\u6578\u64da\u7684\u51fa\u73fe\u901a\u5e38\u662f\u7531\u65bc\u67d0\u4e9b\u7279\u5b9a\u7684\u8acb\u6c42\u5728\u77ed\u6642\u9593\u5167\u6fc0\u589e\uff0c\u9019\u53ef\u80fd\u662f\u7531\u65bc\u4fc3\u92b7\u6d3b\u52d5\u3001\u71b1\u9580\u65b0\u805e\u6216\u7279\u5b9a\u4e8b\u4ef6\u7684\u5f71\u97ff\u3002\u7576\u5927\u91cf\u8acb\u6c42\u96c6\u4e2d\u5728\u67d0\u4e00\u6578\u64da\u4e0a\u6642\uff0c\u5f8c\u7aef\u6578\u64da\u5eab\u53ef\u80fd\u7121\u6cd5\u627f\u53d7\u9019\u6a23\u7684\u58d3\u529b\uff0c\u5c0e\u81f4\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u51fa\u73fe\u5d29\u6f70\u7684\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e5%88%a9%e7%94%a8redis%e8%a7%a3%e6%b1%ba%e7%86%b1%e9%bb%9e%e6%95%b8%e6%93%9a%e5%95%8f%e9%a1%8c-BVHIAntwRJ\">\u5229\u7528Redis\u89e3\u6c7a\u71b1\u9ede\u6578\u64da\u554f\u984c<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u7b56\u7565\u4f86\u6709\u6548\u89e3\u6c7a\u71b1\u9ede\u6578\u64da\u554f\u984c\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e7%b7%a9%e5%ad%98%e7%a9%bf%e9%80%8f-BVHIAntwRJ\">1. \u4f7f\u7528\u7de9\u5b58\u7a7f\u900f<\/h3>\n<p>\u7de9\u5b58\u7a7f\u900f\u662f\u6307\u8acb\u6c42\u7684\u6578\u64da\u5728\u7de9\u5b58\u4e2d\u4e0d\u5b58\u5728\uff0c\u9019\u6703\u5c0e\u81f4\u8acb\u6c42\u76f4\u63a5\u6253\u5230\u5f8c\u7aef\u6578\u64da\u5eab\u3002\u70ba\u4e86\u9632\u6b62\u9019\u7a2e\u60c5\u6cc1\uff0c\u53ef\u4ee5\u4f7f\u7528\u5e03\u9686\u904e\u6ffe\u5668\uff08Bloom Filter\uff09\u4f86\u904e\u6ffe\u8acb\u6c42\uff0c\u53ea\u6709\u7576\u8acb\u6c42\u7684\u6578\u64da\u78ba\u5be6\u5b58\u5728\u6642\uff0c\u624d\u6703\u67e5\u8a62\u5f8c\u7aef\u6578\u64da\u5eab\u3002<\/p>\n<pre><code>\n# \u5047\u8a2d\u4f7f\u7528Python\u548cRedis\nfrom redis import Redis\nfrom pybloom_live import BloomFilter\n\nredis_client = Redis()\nbloom = BloomFilter(capacity=100000, error_rate=0.001)\n\ndef get_data(key):\n    if key in bloom:\n        return redis_client.get(key) or fetch_from_db(key)\n    else:\n        return None\n<\/code><\/pre>\n<h3 id=\"2-%e7%86%b1%e9%bb%9e%e6%95%b8%e6%93%9a%e7%9a%84%e5%88%86%e6%95%a3%e5%ad%98%e5%84%b2-BVHIAntwRJ\">2. \u71b1\u9ede\u6578\u64da\u7684\u5206\u6563\u5b58\u5132<\/h3>\n<p>\u5c0d\u65bc\u71b1\u9ede\u6578\u64da\uff0c\u53ef\u4ee5\u8003\u616e\u5c07\u5176\u5206\u6563\u5b58\u5132\u5230\u591a\u500b\u9375\u4e2d\u3002\u4f8b\u5982\uff0c\u5c07\u4e00\u500b\u71b1\u9580\u5546\u54c1\u7684\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u9375\u4e2d\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u55ae\u500b\u9375\u7684\u8acb\u6c42\u58d3\u529b\u3002<\/p>\n<pre><code>\n# \u5c07\u71b1\u9580\u5546\u54c1\u6578\u64da\u5206\u6563\u5b58\u5132\nfor i in range(5):\n    redis_client.set(f\"hot_item_{i}\", item_data)\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e7%b7%a9%e5%ad%98%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5-BVHIAntwRJ\">3. \u4f7f\u7528\u7de9\u5b58\u904e\u671f\u7b56\u7565<\/h3>\n<p>\u5c0d\u65bc\u71b1\u9ede\u6578\u64da\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u5408\u7406\u7684\u7de9\u5b58\u904e\u671f\u6642\u9593\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u9577\u6642\u9593\u7684\u6578\u64da\u9396\u5b9a\uff0c\u4e26\u4f7f\u5f97\u6578\u64da\u80fd\u5920\u53ca\u6642\u66f4\u65b0\u3002<\/p>\n<pre><code>\n# \u8a2d\u7f6e\u7de9\u5b58\u904e\u671f\u6642\u9593\nredis_client.setex(\"hot_item\", 3600, item_data)  # 1\u5c0f\u6642\u5f8c\u904e\u671f\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-BVHIAntwRJ\">\u7d50\u8ad6<\/h2>\n<p>\u71b1\u9ede\u6578\u64da\u554f\u984c\u662f\u7576\u524d\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u9762\u81e8\u7684\u4e00\u500b\u6311\u6230\uff0c\u800cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u7de9\u89e3\u9019\u4e00\u554f\u984c\u3002\u901a\u904e\u5408\u7406\u7684\u7de9\u5b58\u7b56\u7565\u548c\u6578\u64da\u5206\u6563\u5b58\u5132\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u9ad8\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u7de9\u5b58\u6280\u8853\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u6709\u6548\u89e3\u6c7a\u71b1\u9ede\u6578\u64da\u7de9\u5b58\u554f\u984c\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u97ff\u61c9\u901f\u5ea6\uff0c\u512a\u5316\u6578\u64da\u8655\u7406\u6548\u7387\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-187940","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187940","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=187940"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187940\/revisions"}],"predecessor-version":[{"id":187941,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187940\/revisions\/187941"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187940"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187940"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187940"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}