{"id":126445,"date":"2024-10-26T04:47:20","date_gmt":"2024-10-25T20:47:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/126445\/"},"modified":"2024-10-26T04:47:21","modified_gmt":"2024-10-25T20:47:21","slug":"redis-%e6%a8%a1%e7%b3%8a%e6%aa%a2%e7%b4%a2%e5%bc%b7%e5%a4%a7-key-%e6%89%8b%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/126445\/","title":{"rendered":"Redis \u6a21\u7cca\u6aa2\u7d22\u5f37\u5927 Key \u624b\u6bb5"},"content":{"rendered":"<h1 id=\"redis-%e6%a8%a1%e7%b3%8a%e6%aa%a2%e7%b4%a2%e5%bc%b7%e5%a4%a7-key-%e6%89%8b%e6%ae%b5-BlXjHEQUXK\">Redis \u6a21\u7cca\u6aa2\u7d22\u5f37\u5927 Key \u624b\u6bb5<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u6aa2\u7d22\u8b8a\u5f97\u6108\u52a0\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u548c\u64cd\u4f5c\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u9032\u884c\u6578\u64da\u5b58\u53d6\u3002\u5176\u4e2d\uff0c\u6a21\u7cca\u6aa2\u7d22\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u529f\u80fd\uff0c\u5c24\u5176\u5728\u9700\u8981\u5feb\u901f\u67e5\u627e\u5927\u91cf\u6578\u64da\u6642\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%a8%a1%e7%b3%8a%e6%aa%a2%e7%b4%a2%ef%bc%9f-BlXjHEQUXK\">\u4ec0\u9ebc\u662f\u6a21\u7cca\u6aa2\u7d22\uff1f<\/h2>\n<p>\u6a21\u7cca\u6aa2\u7d22\u662f\u6307\u5728\u67e5\u8a62\u6642\uff0c\u5141\u8a31\u4e00\u5b9a\u7a0b\u5ea6\u7684\u932f\u8aa4\u6216\u4e0d\u7cbe\u78ba\u6027\u3002\u9019\u610f\u5473\u8457\u7528\u6236\u53ef\u4ee5\u8f38\u5165\u4e0d\u5b8c\u5168\u7684\u95dc\u9375\u5b57\uff0c\u7cfb\u7d71\u4ecd\u7136\u80fd\u5920\u8fd4\u56de\u76f8\u95dc\u7684\u7d50\u679c\u3002\u9019\u5728\u7528\u6236\u8f38\u5165\u932f\u8aa4\u6216\u4e0d\u78ba\u5b9a\u5177\u9ad4\u67e5\u8a62\u5167\u5bb9\u6642\u7279\u5225\u6709\u7528\u3002<\/p>\n<h2 id=\"redis-%e4%b8%ad%e7%9a%84%e6%a8%a1%e7%b3%8a%e6%aa%a2%e7%b4%a2%e6%96%b9%e6%b3%95-BlXjHEQUXK\">Redis \u4e2d\u7684\u6a21\u7cca\u6aa2\u7d22\u65b9\u6cd5<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u5be6\u73fe\u6a21\u7cca\u6aa2\u7d22\u7684\u4e3b\u8981\u624b\u6bb5\u6709\u4ee5\u4e0b\u5e7e\u7a2e\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u901a\u914d\u7b26<\/strong>: Redis \u7684 <code>SCAN<\/code> \u547d\u4ee4\u53ef\u4ee5\u914d\u5408\u901a\u914d\u7b26\u4f86\u9032\u884c\u6a21\u7cca\u67e5\u8a62\u3002<\/li>\n<li><strong>\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f<\/strong>: \u96d6\u7136 Redis \u672c\u8eab\u4e0d\u652f\u6301\u6b63\u5247\u8868\u9054\u5f0f\uff0c\u4f46\u53ef\u4ee5\u901a\u904e Lua \u8173\u672c\u4f86\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u67e5\u8a62\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5168\u6587\u6aa2\u7d22\u5de5\u5177<\/strong>: \u5c07 Redis \u8207\u5176\u4ed6\u5168\u6587\u6aa2\u7d22\u5de5\u5177\uff08\u5982 Elasticsearch\uff09\u7d50\u5408\u4f7f\u7528\uff0c\u53ef\u4ee5\u5be6\u73fe\u66f4\u5f37\u5927\u7684\u6a21\u7cca\u6aa2\u7d22\u529f\u80fd\u3002<\/li>\n<\/ul>\n<h3 id=\"%e4%bd%bf%e7%94%a8-scan-%e5%91%bd%e4%bb%a4%e9%80%b2%e8%a1%8c%e6%a8%a1%e7%b3%8a%e6%aa%a2%e7%b4%a2-BlXjHEQUXK\">\u4f7f\u7528 SCAN \u547d\u4ee4\u9032\u884c\u6a21\u7cca\u6aa2\u7d22<\/h3>\n<p>Redis \u7684 <code>SCAN<\/code> \u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u904d\u6b77\u6578\u64da\u5eab\u4e2d\u7684\u9375\uff0c\u4e26\u4e14\u652f\u6301\u901a\u914d\u7b26\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SCAN 0 MATCH user:* COUNT 100<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8fd4\u56de\u6240\u6709\u4ee5 <code>user:<\/code> \u958b\u982d\u7684\u9375\uff0c\u4e26\u4e14\u6bcf\u6b21\u8fd4\u56de\u6700\u591a 100 \u500b\u7d50\u679c\u3002\u9019\u6a23\u7684\u67e5\u8a62\u65b9\u5f0f\u53ef\u4ee5\u6709\u6548\u5730\u9032\u884c\u6a21\u7cca\u6aa2\u7d22\u3002<\/p>\n<h3 id=\"%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac%e9%80%b2%e8%a1%8c%e6%ad%a3%e5%89%87%e5%8c%b9%e9%85%8d-BlXjHEQUXK\">\u4f7f\u7528 Lua \u8173\u672c\u9032\u884c\u6b63\u5247\u5339\u914d<\/h3>\n<p>\u96d6\u7136 Redis \u4e0d\u76f4\u63a5\u652f\u6301\u6b63\u5247\u8868\u9054\u5f0f\uff0c\u4f46\u53ef\u4ee5\u901a\u904e Lua \u8173\u672c\u4f86\u5be6\u73fe\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Lua \u8173\u672c\uff0c\u7528\u65bc\u67e5\u627e\u5305\u542b\u7279\u5b9a\u5b50\u5b57\u7b26\u4e32\u7684\u9375\uff1a<\/p>\n<pre><code>\nlocal result = {}\nfor i, key in ipairs(redis.call('KEYS', '*')) do\n    if string.match(key, 'pattern') then\n        table.insert(result, key)\n    end\nend\nreturn result\n<\/code><\/pre>\n<p>\u9019\u6bb5\u8173\u672c\u5c07\u904d\u6b77\u6240\u6709\u9375\uff0c\u4e26\u8fd4\u56de\u7b26\u5408\u689d\u4ef6\u7684\u9375\u5217\u8868\u3002<\/p>\n<h3 id=\"%e7%b5%90%e5%90%88%e5%85%a8%e6%96%87%e6%aa%a2%e7%b4%a2%e5%b7%a5%e5%85%b7-BlXjHEQUXK\">\u7d50\u5408\u5168\u6587\u6aa2\u7d22\u5de5\u5177<\/h3>\n<p>\u5c0d\u65bc\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6a21\u7cca\u6aa2\u7d22\u7684\u61c9\u7528\u5834\u666f\uff0c\u53ef\u4ee5\u8003\u616e\u5c07 Redis \u8207 Elasticsearch \u7b49\u5168\u6587\u6aa2\u7d22\u5de5\u5177\u7d50\u5408\u4f7f\u7528\u3002\u9019\u6a23\u53ef\u4ee5\u5145\u5206\u767c\u63ee\u5169\u8005\u7684\u512a\u52e2\uff0c\u5be6\u73fe\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u548c\u5f37\u5927\u7684\u6aa2\u7d22\u80fd\u529b\u3002<\/p>\n<h2 id=\"%e6%a8%a1%e7%b3%8a%e6%aa%a2%e7%b4%a2%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-BlXjHEQUXK\">\u6a21\u7cca\u6aa2\u7d22\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u6a21\u7cca\u6aa2\u7d22\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u7528\u6236\u641c\u7d22\uff1a\u7528\u6236\u5728\u641c\u7d22\u6846\u4e2d\u8f38\u5165\u4e0d\u5b8c\u6574\u7684\u95dc\u9375\u5b57\uff0c\u7cfb\u7d71\u80fd\u5920\u8fd4\u56de\u76f8\u95dc\u7684\u7d50\u679c\u3002<\/li>\n<li>\u6578\u64da\u5206\u6790\uff1a\u5728\u9032\u884c\u6578\u64da\u5206\u6790\u6642\uff0c\u80fd\u5920\u5feb\u901f\u627e\u5230\u7b26\u5408\u689d\u4ef6\u7684\u6578\u64da\u96c6\u3002<\/li>\n<li>\u65e5\u8a8c\u67e5\u8a62\uff1a\u5728\u67e5\u8a62\u65e5\u8a8c\u6642\uff0c\u80fd\u5920\u6839\u64da\u90e8\u5206\u95dc\u9375\u5b57\u5feb\u901f\u5b9a\u4f4d\u76f8\u95dc\u65e5\u8a8c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-BlXjHEQUXK\">\u7e3d\u7d50<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u5f37\u5927\u7684\u6a21\u7cca\u6aa2\u7d22\u624b\u6bb5\uff0c\u7121\u8ad6\u662f\u4f7f\u7528 <code>SCAN<\/code> \u547d\u4ee4\u3001Lua \u8173\u672c\uff0c\u9084\u662f\u7d50\u5408\u5176\u4ed6\u5de5\u5177\uff0c\u90fd\u80fd\u5920\u6709\u6548\u5730\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u6548\u7387\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u8853\u5c07\u5c0d\u958b\u767c\u8005\u548c\u4f01\u696d\u5e36\u4f86\u5de8\u5927\u7684\u5e6b\u52a9\u3002\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216\u5176\u4ed6\u76f8\u95dc\u670d\u52d9\u611f\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 Redis \u7684\u6a21\u7cca\u6aa2\u7d22\u6280\u8853\uff0c\u4e86\u89e3\u5982\u4f55\u5229\u7528\u5f37\u5927\u7684 Key \u624b\u6bb5\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387\u8207\u9748\u6d3b\u6027\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-126445","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126445","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=126445"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126445\/revisions"}],"predecessor-version":[{"id":126446,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/126445\/revisions\/126446"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=126445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=126445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=126445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}