{"id":156762,"date":"2024-11-02T20:58:21","date_gmt":"2024-11-02T12:58:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/156762\/"},"modified":"2024-11-02T20:58:22","modified_gmt":"2024-11-02T12:58:22","slug":"%e5%88%86%e6%9e%90-redis-%e7%b5%b1%e8%a8%88%e5%85%b6%e4%b8%ad%e7%b8%bd%e6%a2%9d%e6%95%b8%ef%bc%88%e7%b5%b1%e8%a8%88-redis-%e4%b8%ad%e7%9a%84%e7%b8%bd%e6%a2%9d%e6%95%b8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/156762\/","title":{"rendered":"\u5206\u6790 Redis \u7d71\u8a08\u5176\u4e2d\u7e3d\u689d\u6578\uff08\u7d71\u8a08 Redis \u4e2d\u7684\u7e3d\u689d\u6578\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%86%e6%9e%90-redis-%e7%b5%b1%e8%a8%88%e5%85%b6%e4%b8%ad%e7%b8%bd%e6%a2%9d%e6%95%b8%ef%bc%88%e7%b5%b1%e8%a8%88-redis-%e4%b8%ad%e7%9a%84%e7%b8%bd%e6%a2%9d%e6%95%b8%ef%bc%89-fGEvPqkMKi\">\u5206\u6790 Redis \u7d71\u8a08\u5176\u4e2d\u7e3d\u689d\u6578\uff08\u7d71\u8a08 Redis \u4e2d\u7684\u7e3d\u689d\u6578\uff09<\/h1>\n<p>Redis \u662f\u4e00\u7a2e\u9ad8\u6548\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u548c\u4f01\u696d\u7684\u9996\u9078\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528 Redis \u7684\u904e\u7a0b\u4e2d\uff0c\u4e86\u89e3\u6578\u64da\u7684\u7e3d\u689d\u6578\u5c0d\u65bc\u6027\u80fd\u76e3\u63a7\u548c\u8cc7\u6e90\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728 Redis \u4e2d\u7d71\u8a08\u7e3d\u689d\u6578\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"redis-%e6%95%b8%e6%93%9a%e7%b5%90%e6%a7%8b%e6%a6%82%e8%bf%b0-fGEvPqkMKi\">Redis \u6578\u64da\u7d50\u69cb\u6982\u8ff0<\/h2>\n<p>\u5728\u6df1\u5165\u7d71\u8a08\u7e3d\u689d\u6578\u4e4b\u524d\uff0c\u6211\u5011\u9700\u8981\u4e86\u89e3 Redis \u7684\u57fa\u672c\u6578\u64da\u7d50\u69cb\u3002Redis \u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5b57\u7b26\u4e32\uff08String\uff09<\/strong>\uff1a\u6700\u57fa\u672c\u7684\u6578\u64da\u985e\u578b\uff0c\u53ef\u4ee5\u5b58\u5132\u4efb\u4f55\u985e\u578b\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u54c8\u5e0c\uff08Hash\uff09<\/strong>\uff1a\u7528\u65bc\u5b58\u5132\u9375\u503c\u5c0d\u7684\u96c6\u5408\uff0c\u9069\u5408\u5b58\u5132\u5c0d\u8c61\u3002<\/li>\n<li><strong>\u5217\u8868\uff08List\uff09<\/strong>\uff1a\u6709\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u652f\u6301\u5f9e\u5169\u7aef\u63a8\u5165\u548c\u5f48\u51fa\u5143\u7d20\u3002<\/li>\n<li><strong>\u96c6\u5408\uff08Set\uff09<\/strong>\uff1a\u7121\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u652f\u6301\u96c6\u5408\u904b\u7b97\u3002<\/li>\n<li><strong>\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09<\/strong>\uff1a\u6bcf\u500b\u5143\u7d20\u90fd\u6709\u4e00\u500b\u5206\u6578\uff0c\u6839\u64da\u5206\u6578\u9032\u884c\u6392\u5e8f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%b1%e8%a8%88-redis-%e4%b8%ad%e7%9a%84%e7%b8%bd%e6%a2%9d%e6%95%b8-fGEvPqkMKi\">\u7d71\u8a08 Redis \u4e2d\u7684\u7e3d\u689d\u6578<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u7d71\u8a08\u7e3d\u689d\u6578\u7684\u65b9\u5f0f\u53d6\u6c7a\u65bc\u6578\u64da\u7684\u985e\u578b\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u7d71\u8a08\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e7%b5%b1%e8%a8%88%e6%89%80%e6%9c%89%e9%8d%b5%e7%9a%84%e6%95%b8%e9%87%8f-fGEvPqkMKi\">1. \u7d71\u8a08\u6240\u6709\u9375\u7684\u6578\u91cf<\/h3>\n<p>\u8981\u7372\u53d6 Redis \u4e2d\u6240\u6709\u9375\u7684\u6578\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>DBSIZE<\/code><\/pre>\n<p>\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u7576\u524d\u6578\u64da\u5eab\u4e2d\u9375\u7684\u7e3d\u6578\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; DBSIZE\n(integer) 5<\/code><\/pre>\n<h3 id=\"2-%e7%b5%b1%e8%a8%88%e7%89%b9%e5%ae%9a%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e6%a2%9d%e6%95%b8-fGEvPqkMKi\">2. \u7d71\u8a08\u7279\u5b9a\u6578\u64da\u985e\u578b\u7684\u689d\u6578<\/h3>\n<p>\u5982\u679c\u9700\u8981\u7d71\u8a08\u7279\u5b9a\u6578\u64da\u985e\u578b\u7684\u689d\u6578\uff0c\u53ef\u4ee5\u6839\u64da\u6578\u64da\u985e\u578b\u4f7f\u7528\u4e0d\u540c\u7684\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><strong>\u54c8\u5e0c\uff08Hash\uff09<\/strong>\uff1a\u4f7f\u7528 <code>HLEN<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u54c8\u5e0c\u4e2d\u9375\u503c\u5c0d\u7684\u6578\u91cf\u3002<\/li>\n<pre><code>HLEN myhash<\/code><\/pre>\n<li><strong>\u5217\u8868\uff08List\uff09<\/strong>\uff1a\u4f7f\u7528 <code>LLEN<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u5217\u8868\u4e2d\u5143\u7d20\u7684\u6578\u91cf\u3002<\/li>\n<pre><code>LLEN mylist<\/code><\/pre>\n<li><strong>\u96c6\u5408\uff08Set\uff09<\/strong>\uff1a\u4f7f\u7528 <code>SCARD<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u96c6\u5408\u4e2d\u5143\u7d20\u7684\u6578\u91cf\u3002<\/li>\n<pre><code>SCARD myset<\/code><\/pre>\n<li><strong>\u6709\u5e8f\u96c6\u5408\uff08Sorted Set\uff09<\/strong>\uff1a\u4f7f\u7528 <code>ZCARD<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u6709\u5e8f\u96c6\u5408\u4e2d\u5143\u7d20\u7684\u6578\u91cf\u3002<\/li>\n<pre><code>ZCARD mysortedset<\/code><\/pre>\n<\/ul>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-lua-%e8%85%b3%e6%9c%ac%e9%80%b2%e8%a1%8c%e8%a4%87%e9%9b%9c%e7%b5%b1%e8%a8%88-fGEvPqkMKi\">3. \u4f7f\u7528 Lua \u8173\u672c\u9032\u884c\u8907\u96dc\u7d71\u8a08<\/h3>\n<p>\u5c0d\u65bc\u66f4\u8907\u96dc\u7684\u7d71\u8a08\u9700\u6c42\uff0c\u53ef\u4ee5\u4f7f\u7528 Lua \u8173\u672c\u4f86\u9032\u884c\u81ea\u5b9a\u7fa9\u8a08\u7b97\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u8173\u672c\u53ef\u4ee5\u7d71\u8a08\u6240\u6709\u9375\u7684\u6578\u91cf\u4e26\u8fd4\u56de\uff1a<\/p>\n<pre><code>local count = 0\nfor _, key in ipairs(redis.call('KEYS', '*')) do\n    count = count + 1\nend\nreturn count<\/code><\/pre>\n<p>\u9019\u6bb5\u8173\u672c\u6703\u904d\u6b77\u6240\u6709\u9375\u4e26\u8a08\u7b97\u7e3d\u6578\uff0c\u9069\u5408\u5728\u9700\u8981\u9032\u884c\u66f4\u8907\u96dc\u7684\u7d71\u8a08\u6642\u4f7f\u7528\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-fGEvPqkMKi\">\u7d50\u8ad6<\/h2>\n<p>\u5728 Redis \u4e2d\u7d71\u8a08\u7e3d\u689d\u6578\u662f\u4e00\u500b\u91cd\u8981\u7684\u64cd\u4f5c\uff0c\u7121\u8ad6\u662f\u70ba\u4e86\u6027\u80fd\u76e3\u63a7\u9084\u662f\u8cc7\u6e90\u7ba1\u7406\u3002\u901a\u904e\u4f7f\u7528\u5167\u5efa\u547d\u4ee4\u548c Lua \u8173\u672c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u9748\u6d3b\u5730\u7372\u53d6\u6240\u9700\u7684\u6578\u64da\u7d71\u8a08\u4fe1\u606f\u3002\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u7d71\u8a08 Redis \u4e2d\u7684\u6578\u64da\u689d\u6578\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">VPS<\/a> \u548c <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5206\u6790 Redis \u4e2d\u7684\u7e3d\u689d\u6578\uff0c\u4e86\u89e3\u6578\u64da\u5b58\u5132\u60c5\u6cc1\uff0c\u512a\u5316\u6027\u80fd\uff0c\u63d0\u5347\u61c9\u7528\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u7ba1\u7406\u7684\u6709\u6548\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-156762","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156762","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=156762"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156762\/revisions"}],"predecessor-version":[{"id":156763,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/156762\/revisions\/156763"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=156762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=156762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=156762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}