{"id":172265,"date":"2024-11-07T11:41:19","date_gmt":"2024-11-07T03:41:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172265\/"},"modified":"2024-11-07T11:41:19","modified_gmt":"2024-11-07T03:41:19","slug":"%e8%ae%93redis%e5%bf%ab%e9%80%9f%e6%b8%85%e7%90%86%e7%84%a1%e7%94%a8%e6%95%b8%e6%93%9a%ef%bc%88redis%e6%b8%85%e9%99%a4%e7%84%a1%e7%94%a8%e6%95%b8%e6%93%9a%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172265\/","title":{"rendered":"\u8b93Redis\u5feb\u901f\u6e05\u7406\u7121\u7528\u6578\u64da\uff08redis\u6e05\u9664\u7121\u7528\u6578\u64da\uff09"},"content":{"rendered":"<h1 id=\"%e8%ae%93redis%e5%bf%ab%e9%80%9f%e6%b8%85%e7%90%86%e7%84%a1%e7%94%a8%e6%95%b8%e6%93%9a%ef%bc%88redis%e6%b8%85%e9%99%a4%e7%84%a1%e7%94%a8%e6%95%b8%e6%93%9a%ef%bc%89-fvvLHBiWNK\">\u8b93Redis\u5feb\u901f\u6e05\u7406\u7121\u7528\u6578\u64da\uff08redis\u6e05\u9664\u7121\u7528\u6578\u64da\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u96a8\u8457\u4f7f\u7528\u6642\u9593\u7684\u589e\u52a0\uff0cRedis\u4e2d\u7684\u6578\u64da\u91cf\u53ef\u80fd\u6703\u8fc5\u901f\u589e\u9577\uff0c\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u548c\u8cc7\u6e90\u6d6a\u8cbb\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u7406\u7121\u7528\u6578\u64da\u662f\u4fdd\u6301Redis\u9ad8\u6548\u904b\u884c\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5feb\u901f\u6e05\u7406Redis\u4e2d\u7684\u7121\u7528\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%b8%85%e7%90%86%e7%84%a1%e7%94%a8%e6%95%b8%e6%93%9a-fvvLHBiWNK\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406\u7121\u7528\u6578\u64da<\/h2>\n<p>\u7121\u7528\u6578\u64da\u7684\u7a4d\u7d2f\u6703\u5f71\u97ffRedis\u7684\u6027\u80fd\uff0c\u4e3b\u8981\u8868\u73fe\u5728\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u5167\u5b58\u6d88\u8017\uff1a<\/strong>\u7121\u7528\u6578\u64da\u4f54\u7528\u5167\u5b58\uff0c\u53ef\u80fd\u5c0e\u81f4Redis\u7684\u5167\u5b58\u4e0d\u8db3\uff0c\u5f71\u97ff\u5176\u4ed6\u64cd\u4f5c\u7684\u57f7\u884c\u3002<\/li>\n<li><strong>\u67e5\u8a62\u6548\u7387\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u67e5\u8a62\u548c\u64cd\u4f5c\u7684\u6548\u7387\u6703\u4e0b\u964d\uff0c\u5f71\u97ff\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u7121\u7528\u6578\u64da\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\uff0c\u5f71\u97ff\u61c9\u7528\u7684\u6b63\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e6%b8%85%e7%90%86%e7%84%a1%e7%94%a8%e6%95%b8%e6%93%9a%e7%9a%84%e6%96%b9%e6%b3%95-fvvLHBiWNK\">Redis\u6e05\u7406\u7121\u7528\u6578\u64da\u7684\u65b9\u6cd5<\/h2>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-fvvLHBiWNK\">1. \u4f7f\u7528\u904e\u671f\u6642\u9593<\/h3>\n<p>Redis\u652f\u6301\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u7576\u904e\u671f\u6642\u9593\u5230\u9054\u6642\uff0c\u8a72\u9375\u6703\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u662f\u4e00\u7a2e\u7c21\u55ae\u800c\u6709\u6548\u7684\u6e05\u7406\u7121\u7528\u6578\u64da\u7684\u65b9\u6cd5\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>EXPIRE key seconds<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u9375\u201csession:123\u201d\u8a2d\u7f6e\u70ba\u57283600\u79d2\u5f8c\u904e\u671f\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>EXPIRE session:123 3600<\/code><\/pre>\n<h3 id=\"2-%e4%b8%bb%e5%8b%95%e5%88%aa%e9%99%a4%e7%84%a1%e7%94%a8%e6%95%b8%e6%93%9a-fvvLHBiWNK\">2. \u4e3b\u52d5\u522a\u9664\u7121\u7528\u6578\u64da<\/h3>\n<p>\u5c0d\u65bc\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528DEL\u547d\u4ee4\u4e3b\u52d5\u522a\u9664\uff1a<\/p>\n<pre><code>DEL key<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u9375\u201ctemp:data\u201d\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>DEL temp:data<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%8d%b5%e6%a8%a1%e5%bc%8f%e5%8c%b9%e9%85%8d-fvvLHBiWNK\">3. \u4f7f\u7528\u9375\u6a21\u5f0f\u5339\u914d<\/h3>\n<p>\u5982\u679c\u9700\u8981\u522a\u9664\u4e00\u7d44\u76f8\u95dc\u7684\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528KEYS\u547d\u4ee4\u914d\u5408\u6a21\u5f0f\u5339\u914d\u4f86\u67e5\u627e\u4e26\u522a\u9664\u9019\u4e9b\u9375\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cKEYS\u547d\u4ee4\u5728\u5927\u6578\u64da\u91cf\u4e0b\u53ef\u80fd\u6703\u5f71\u97ff\u6027\u80fd\uff0c\u56e0\u6b64\u5728\u751f\u7522\u74b0\u5883\u4e2d\u61c9\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n<pre><code>KEYS pattern<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u82e5\u8981\u522a\u9664\u6240\u6709\u4ee5\u201ctemp:\u201d\u958b\u982d\u7684\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>KEYS temp:* | xargs DEL<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8redis%e7%9a%84%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86%e7%ad%96%e7%95%a5-fvvLHBiWNK\">4. \u4f7f\u7528Redis\u7684\u5167\u5b58\u7ba1\u7406\u7b56\u7565<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5b58\u7ba1\u7406\u7b56\u7565\uff0c\u53ef\u4ee5\u81ea\u52d5\u6e05\u7406\u7121\u7528\u6578\u64da\u3002\u9019\u4e9b\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>noeviction\uff1a<\/strong>\u7576\u5167\u5b58\u4e0d\u8db3\u6642\uff0c\u62d2\u7d55\u5beb\u5165\u64cd\u4f5c\u3002<\/li>\n<li><strong>allkeys-lru\uff1a<\/strong>\u4f7f\u7528LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b97\u6cd5\u522a\u9664\u9375\u3002<\/li>\n<li><strong>volatile-lru\uff1a<\/strong>\u50c5\u522a\u9664\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<\/ul>\n<p>\u53ef\u4ee5\u901a\u904e\u4fee\u6539Redis\u914d\u7f6e\u6587\u4ef6\u6216\u4f7f\u7528CONFIG SET\u547d\u4ee4\u4f86\u8a2d\u7f6e\u5167\u5b58\u7ba1\u7406\u7b56\u7565\uff1a<\/p>\n<pre><code>CONFIG SET maxmemory-policy allkeys-lru<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-fvvLHBiWNK\">\u7e3d\u7d50<\/h2>\n<p>\u6e05\u7406Redis\u4e2d\u7684\u7121\u7528\u6578\u64da\u662f\u4fdd\u6301\u7cfb\u7d71\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u4e3b\u52d5\u522a\u9664\u3001\u9375\u6a21\u5f0f\u5339\u914d\u4ee5\u53ca\u4f7f\u7528\u5167\u5b58\u7ba1\u7406\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u6e05\u7406\u7121\u7528\u6578\u64da\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8Redis\u7684\u6027\u80fd\uff0c\u9084\u80fd\u7bc0\u7701\u5167\u5b58\u8cc7\u6e90\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684Redis\u670d\u52d9\uff0cServer.HK\u63d0\u4f9b\u4e86\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528Redis\u5feb\u901f\u6e05\u7406\u7121\u7528\u6578\u64da\uff0c\u63d0\u5347\u6027\u80fd\u8207\u5b58\u5132\u6548\u7387\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u904b\u884c\u6d41\u66a2\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-172265","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172265","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=172265"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172265\/revisions"}],"predecessor-version":[{"id":172266,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172265\/revisions\/172266"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=172265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=172265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=172265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}