{"id":184126,"date":"2024-11-10T10:37:17","date_gmt":"2024-11-10T02:37:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184126\/"},"modified":"2024-11-10T10:37:18","modified_gmt":"2024-11-10T02:37:18","slug":"%e4%bd%bf%e7%94%a8redis%e6%9f%a5%e8%a9%a2%e5%ad%97%e7%ac%a6%e4%b8%b2%e9%95%b7%e5%ba%a6%e7%9a%84%e5%af%a6%e7%94%a8%e6%8a%80%e5%b7%a7%ef%bc%88redis%e6%9f%a5%e8%a9%a2%e5%ad%97%e7%ac%a6%e4%b8%b2%e9%95%b7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184126\/","title":{"rendered":"\u4f7f\u7528Redis\u67e5\u8a62\u5b57\u7b26\u4e32\u9577\u5ea6\u7684\u5be6\u7528\u6280\u5de7\uff08redis\u67e5\u8a62\u5b57\u7b26\u4e32\u9577\u5ea6\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e6%9f%a5%e8%a9%a2%e5%ad%97%e7%ac%a6%e4%b8%b2%e9%95%b7%e5%ba%a6%e7%9a%84%e5%af%a6%e7%94%a8%e6%8a%80%e5%b7%a7-UDlbosdkdp\">\u4f7f\u7528Redis\u67e5\u8a62\u5b57\u7b26\u4e32\u9577\u5ea6\u7684\u5be6\u7528\u6280\u5de7<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u901f\u4e14\u9ad8\u6548\u7684\u6578\u64da\u5b58\u53d6\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u67e5\u8a62\u548c\u64cd\u4f5c\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u67e5\u8a62\u5b57\u7b26\u4e32\u7684\u9577\u5ea6\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"redis%e4%b8%ad%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-UDlbosdkdp\">Redis\u4e2d\u7684\u5b57\u7b26\u4e32\u6578\u64da\u985e\u578b<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u5b57\u7b26\u4e32\u662f\u6700\u57fa\u672c\u7684\u6578\u64da\u985e\u578b\u3002\u5b83\u53ef\u4ee5\u5305\u542b\u4efb\u4f55\u985e\u578b\u7684\u6578\u64da\uff0c\u5305\u62ec\u6587\u672c\u3001\u6578\u5b57\u548c\u4e8c\u9032\u5236\u6578\u64da\u3002\u5b57\u7b26\u4e32\u7684\u6700\u5927\u9577\u5ea6\u70ba512MB\uff0c\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u5b58\u5132\u5404\u7a2e\u5927\u5c0f\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e5%ad%97%e7%ac%a6%e4%b8%b2%e9%95%b7%e5%ba%a6%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%91%bd%e4%bb%a4-UDlbosdkdp\">\u67e5\u8a62\u5b57\u7b26\u4e32\u9577\u5ea6\u7684\u57fa\u672c\u547d\u4ee4<\/h2>\n<p>\u8981\u67e5\u8a62Redis\u4e2d\u5b57\u7b26\u4e32\u7684\u9577\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528<strong>STRLEN<\/strong>\u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u6307\u5b9a\u9375\u7684\u5b57\u7b26\u4e32\u9577\u5ea6\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528STRLEN\u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>STRLEN key<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500b\u9375\u70ba\u201cmykey\u201d\u7684\u5b57\u7b26\u4e32\uff0c\u4e26\u4e14\u5176\u503c\u70ba\u201cHello, Redis!\u201d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u67e5\u8a62\u5176\u9577\u5ea6\uff1a<\/p>\n<pre><code>SET mykey \"Hello, Redis!\"<\/code><\/pre>\n<pre><code>STRLEN mykey<\/code><\/pre>\n<p>\u57f7\u884c\u4e0a\u8ff0\u547d\u4ee4\u5f8c\uff0cRedis\u5c07\u8fd4\u56de\u5b57\u7b26\u4e32\u7684\u9577\u5ea6\uff0c\u537315\u3002<\/p>\n<h2 id=\"%e5%af%a6%e7%94%a8%e6%8a%80%e5%b7%a7-UDlbosdkdp\">\u5be6\u7528\u6280\u5de7<\/h2>\n<h3 id=\"1-%e7%b5%90%e5%90%88%e5%85%b6%e4%bb%96%e5%91%bd%e4%bb%a4%e4%bd%bf%e7%94%a8-UDlbosdkdp\">1. \u7d50\u5408\u5176\u4ed6\u547d\u4ee4\u4f7f\u7528<\/h3>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u67e5\u8a62\u5b57\u7b26\u4e32\u9577\u5ea6\u7684\u9700\u6c42\u5f80\u5f80\u8207\u5176\u4ed6\u64cd\u4f5c\u7d50\u5408\u5728\u4e00\u8d77\u3002\u4f8b\u5982\uff0c\u5728\u8655\u7406\u7528\u6236\u8f38\u5165\u6642\uff0c\u6211\u5011\u53ef\u80fd\u9700\u8981\u6aa2\u67e5\u5b57\u7b26\u4e32\u7684\u9577\u5ea6\u4ee5\u78ba\u4fdd\u5176\u7b26\u5408\u7279\u5b9a\u7684\u8981\u6c42\u3002\u53ef\u4ee5\u4f7f\u7528<strong>GET<\/strong>\u547d\u4ee4\u7372\u53d6\u5b57\u7b26\u4e32\uff0c\u7136\u5f8c\u518d\u4f7f\u7528<strong>STRLEN<\/strong>\u547d\u4ee4\u4f86\u6aa2\u67e5\u9577\u5ea6\uff1a<\/p>\n<pre><code>GET mykey<\/code><\/pre>\n<pre><code>STRLEN mykey<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8lua%e8%85%b3%e6%9c%ac%e9%80%b2%e8%a1%8c%e6%89%b9%e9%87%8f%e6%93%8d%e4%bd%9c-UDlbosdkdp\">2. \u4f7f\u7528Lua\u8173\u672c\u9032\u884c\u6279\u91cf\u64cd\u4f5c<\/h3>\n<p>\u5982\u679c\u9700\u8981\u67e5\u8a62\u591a\u500b\u9375\u7684\u5b57\u7b26\u4e32\u9577\u5ea6\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528Lua\u8173\u672c\u4f86\u6279\u91cf\u8655\u7406\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u8207Redis\u7684\u4ea4\u4e92\u6b21\u6578\uff0c\u63d0\u9ad8\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Lua\u8173\u672c\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nlocal keys = {'key1', 'key2', 'key3'}\nlocal lengths = {}\nfor i, key in ipairs(keys) do\n    lengths[i] = redis.call('STRLEN', key)\nend\nreturn lengths\n<\/code><\/pre>\n<p>\u9019\u6bb5\u8173\u672c\u5c07\u8fd4\u56de\u6307\u5b9a\u9375\u7684\u5b57\u7b26\u4e32\u9577\u5ea6\u5217\u8868\u3002<\/p>\n<h3 id=\"3-%e7%9b%a3%e6%8e%a7%e5%ad%97%e7%ac%a6%e4%b8%b2%e9%95%b7%e5%ba%a6%e8%ae%8a%e5%8c%96-UDlbosdkdp\">3. \u76e3\u63a7\u5b57\u7b26\u4e32\u9577\u5ea6\u8b8a\u5316<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u76e3\u63a7\u5b57\u7b26\u4e32\u9577\u5ea6\u7684\u8b8a\u5316\u3002\u4f8b\u5982\uff0c\u5728\u8655\u7406\u7528\u6236\u4e0a\u50b3\u7684\u6587\u4ef6\u6642\uff0c\u53ef\u4ee5\u5b9a\u671f\u6aa2\u67e5\u6587\u4ef6\u7684\u5927\u5c0f\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684<strong>KEYS<\/strong>\u547d\u4ee4\u4f86\u7372\u53d6\u6240\u6709\u76f8\u95dc\u9375\uff0c\u7136\u5f8c\u4f7f\u7528<strong>STRLEN<\/strong>\u547d\u4ee4\u9032\u884c\u6aa2\u67e5\uff1a<\/p>\n<pre><code>KEYS user:*:file<\/code><\/pre>\n<pre><code>STRLEN user:123:file<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-UDlbosdkdp\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u67e5\u8a62\u5b57\u7b26\u4e32\u9577\u5ea6\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u64cd\u4f5c\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u6578\u64da\u8655\u7406\u904e\u7a0b\u4e2d\u9032\u884c\u6709\u6548\u7684\u6578\u64da\u9a57\u8b49\u548c\u7ba1\u7406\u3002\u901a\u904e\u7d50\u5408\u5176\u4ed6\u547d\u4ee4\u3001\u4f7f\u7528Lua\u8173\u672c\u9032\u884c\u6279\u91cf\u64cd\u4f5c\u4ee5\u53ca\u76e3\u63a7\u5b57\u7b26\u4e32\u9577\u5ea6\u8b8a\u5316\uff0c\u60a8\u53ef\u4ee5\u66f4\u9748\u6d3b\u5730\u61c9\u5c0d\u5404\u7a2e\u9700\u6c42\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u904b\u884c\u60a8\u7684Redis\u5be6\u4f8b\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u7a69\u5b9a\u548c\u5feb\u901f\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u4f7f\u7528Redis\u67e5\u8a62\u5b57\u7b26\u4e32\u9577\u5ea6\u7684\u5be6\u7528\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\uff0c\u8b93\u4f60\u7684\u61c9\u7528\u66f4\u9ad8\u6548\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-184126","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184126","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=184126"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184126\/revisions"}],"predecessor-version":[{"id":184127,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184126\/revisions\/184127"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}