{"id":197530,"date":"2024-11-14T08:43:22","date_gmt":"2024-11-14T00:43:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/197530\/"},"modified":"2024-11-14T08:43:23","modified_gmt":"2024-11-14T00:43:23","slug":"%e5%88%a9%e7%94%a8redis%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%ef%bc%88redis%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/197530\/","title":{"rendered":"\u5229\u7528Redis\u8f15\u9b06\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff08redis\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%ef%bc%88redis%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%ef%bc%89-PLNLsAkDUD\">\u5229\u7528Redis\u8f15\u9b06\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff08redis\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u64cd\u4f5c\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%ef%bc%9f-PLNLsAkDUD\">\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\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\u8655\u7406\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%ef%bc%9f-PLNLsAkDUD\">\u70ba\u4ec0\u9ebc\u9700\u8981\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff1f<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u522a\u9664\u5927\u91cf\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u522a\u9664\u5e33\u6236\u6642\uff0c\u53ef\u80fd\u9700\u8981\u522a\u9664\u8207\u8a72\u5e33\u6236\u76f8\u95dc\u7684\u6240\u6709\u6578\u64da\u3002\u50b3\u7d71\u7684\u9010\u4e00\u522a\u9664\u65b9\u6cd5\u6548\u7387\u4f4e\u4e0b\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u91cf\u9f90\u5927\u7684\u60c5\u6cc1\u4e0b\u3002\u56e0\u6b64\uff0c\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u6210\u70ba\u4e00\u500b\u91cd\u8981\u7684\u9700\u6c42\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e6%93%8d%e4%bd%9c-PLNLsAkDUD\">Redis\u7684\u6279\u91cf\u522a\u9664\u64cd\u4f5c<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u6279\u91cf\u522a\u9664\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8del%e5%91%bd%e4%bb%a4-PLNLsAkDUD\">1. \u4f7f\u7528DEL\u547d\u4ee4<\/h3>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u5f0f\u662f\u4f7f\u7528DEL\u547d\u4ee4\u4f86\u522a\u9664\u6307\u5b9a\u7684\u9375\u3002\u53ef\u4ee5\u901a\u904e\u50b3\u905e\u591a\u500b\u9375\u4f86\u5be6\u73fe\u6279\u91cf\u522a\u9664\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>DEL key1 key2 key3<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u6cd5\u9069\u5408\u65bc\u5df2\u77e5\u9375\u540d\u7684\u60c5\u6cc1\uff0c\u4f46\u5728\u9375\u540d\u4e0d\u78ba\u5b9a\u7684\u60c5\u6cc1\u4e0b\uff0c\u9019\u7a2e\u65b9\u6cd5\u5c31\u4e0d\u592a\u9069\u7528\u4e86\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4%e9%85%8d%e5%90%88del%e5%91%bd%e4%bb%a4-PLNLsAkDUD\">2. \u4f7f\u7528SCAN\u547d\u4ee4\u914d\u5408DEL\u547d\u4ee4<\/h3>\n<p>\u7576\u9700\u8981\u522a\u9664\u7684\u9375\u540d\u4e0d\u78ba\u5b9a\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528SCAN\u547d\u4ee4\u4f86\u904d\u6b77\u6240\u6709\u9375\uff0c\u7136\u5f8c\u4f7f\u7528DEL\u547d\u4ee4\u9032\u884c\u522a\u9664\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nlocal cursor = \"0\"\nrepeat\n    local result = redis.call(\"SCAN\", cursor)\n    cursor = result[1]\n    for i, key in ipairs(result[2]) do\n        redis.call(\"DEL\", key)\n    end\nuntil cursor == \"0\"\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u904d\u6b77\u6240\u6709\u9375\u4e26\u522a\u9664\u5b83\u5011\uff0c\u9069\u5408\u65bc\u9700\u8981\u6839\u64da\u67d0\u4e9b\u689d\u4ef6\u522a\u9664\u9375\u7684\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e7%ae%a1%e9%81%93%e6%8a%80%e8%a1%93-PLNLsAkDUD\">3. \u4f7f\u7528\u7ba1\u9053\u6280\u8853<\/h3>\n<p>\u5728\u9700\u8981\u522a\u9664\u5927\u91cf\u9375\u7684\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528\u7ba1\u9053\u6280\u8853\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u901a\u904e\u5c07\u591a\u500bDEL\u547d\u4ee4\u6253\u5305\u767c\u9001\u5230Redis\uff0c\u53ef\u4ee5\u6e1b\u5c11\u7db2\u7d61\u5ef6\u9072\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nlocal keys = {\"key1\", \"key2\", \"key3\", ...}\nlocal pipeline = redis.pipelined(function()\n    for _, key in ipairs(keys) do\n        redis.call(\"DEL\", key)\n    end\nend)\n<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u6cd5\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u7279\u5225\u6709\u6548\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-PLNLsAkDUD\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u6279\u91cf\u522a\u9664\u64cd\u4f5c\u6642\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd\u522a\u9664\u64cd\u4f5c\u4e0d\u6703\u5f71\u97ff\u5230\u5176\u4ed6\u6b63\u5728\u904b\u884c\u7684\u696d\u52d9\u908f\u8f2f\u3002<\/li>\n<li>\u5728\u522a\u9664\u4e4b\u524d\uff0c\u6700\u597d\u5148\u9032\u884c\u4e00\u6b21\u6578\u64da\u5099\u4efd\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u522a\u9664\u91cd\u8981\u6578\u64da\u3002<\/li>\n<li>\u8003\u616e\u4f7f\u7528\u4e8b\u52d9\u4f86\u78ba\u4fdd\u64cd\u4f5c\u7684\u539f\u5b50\u6027\uff0c\u907f\u514d\u90e8\u5206\u522a\u9664\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PLNLsAkDUD\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u662f\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u65b9\u6cd5\u3002\u901a\u904e\u4f7f\u7528DEL\u3001SCAN\u548c\u7ba1\u9053\u6280\u8853\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9748\u6d3b\u5730\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u522a\u9664\u9700\u6c42\u3002\u5728\u9078\u64c7\u5408\u9069\u7684\u522a\u9664\u7b56\u7565\u6642\uff0c\u61c9\u6839\u64da\u5177\u9ad4\u7684\u696d\u52d9\u9700\u6c42\u548c\u6578\u64da\u7279\u6027\u9032\u884c\u8003\u91cf\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528Redis\u8f15\u9b06\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u64cd\u4f5c\u6d41\u7a0b\uff0c\u9069\u5408\u5927\u898f\u6a21\u6578\u64da\u8655\u7406\u9700\u6c42\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-197530","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197530","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=197530"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197530\/revisions"}],"predecessor-version":[{"id":197531,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/197530\/revisions\/197531"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=197530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=197530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=197530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}