{"id":116864,"date":"2024-10-24T19:49:58","date_gmt":"2024-10-24T11:49:58","guid":{"rendered":"https:\/\/server.hk\/cnblog\/116864\/"},"modified":"2024-10-24T19:49:59","modified_gmt":"2024-10-24T11:49:59","slug":"redis-%e5%bf%ab%e5%8f%96%e5%ae%b9%e9%87%8f%e6%9f%a5%e8%a9%a2%e5%af%a6%e6%88%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/116864\/","title":{"rendered":"Redis \u5feb\u53d6\u5bb9\u91cf\u67e5\u8a62\u5be6\u6230"},"content":{"rendered":"<h1 id=\"redis-%e5%bf%ab%e5%8f%96%e5%ae%b9%e9%87%8f%e6%9f%a5%e8%a9%a2%e5%af%a6%e6%88%b0-QLboYYwmjs\">Redis \u5feb\u53d6\u5bb9\u91cf\u67e5\u8a62\u5be6\u6230<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u8def\u61c9\u7528\u4e2d\uff0c\u5feb\u53d6\u6280\u8853\u5df2\u6210\u70ba\u63d0\u5347\u6027\u80fd\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u8a18\u61b6\u9ad4\u8cc7\u6599\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u7cfb\u7d71\u4e2d\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u67e5\u8a62 Redis \u7684\u5feb\u53d6\u5bb9\u91cf\uff0c\u4e26\u63d0\u4f9b\u5be6\u969b\u7684\u64cd\u4f5c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-QLboYYwmjs\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis\uff08REmote DIctionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u8cc7\u6599\u5eab\uff0c\u652f\u63f4\u591a\u7a2e\u8cc7\u6599\u7d50\u69cb\uff0c\u5982\u5b57\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u8b80\u5beb\u6027\u80fd\uff0cRedis \u5e38\u88ab\u7528\u4f5c\u5feb\u53d6\u7cfb\u7d71\uff0c\u4ee5\u6e1b\u5c11\u8cc7\u6599\u5eab\u7684\u8ca0\u64d4\u4e26\u63d0\u9ad8\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e6%9f%a5%e8%a9%a2%e5%bf%ab%e5%8f%96%e5%ae%b9%e9%87%8f%ef%bc%9f-QLboYYwmjs\">\u70ba\u4ec0\u9ebc\u9700\u8981\u67e5\u8a62\u5feb\u53d6\u5bb9\u91cf\uff1f<\/h2>\n<p>\u5728\u4f7f\u7528 Redis \u4f5c\u70ba\u5feb\u53d6\u6642\uff0c\u4e86\u89e3\u5176\u5bb9\u91cf\u4f7f\u7528\u60c5\u6cc1\u81f3\u95dc\u91cd\u8981\u3002\u9019\u4e0d\u50c5\u6709\u52a9\u65bc\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u907f\u514d\u56e0\u5bb9\u91cf\u4e0d\u8db3\u800c\u5c0e\u81f4\u7684\u8cc7\u6599\u4e1f\u5931\u6216\u6027\u80fd\u4e0b\u964d\u3002\u901a\u904e\u5b9a\u671f\u67e5\u8a62\u5feb\u53d6\u5bb9\u91cf\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u53ca\u6642\u8abf\u6574\u5feb\u53d6\u7b56\u7565\uff0c\u512a\u5316\u7cfb\u7d71\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2-redis-%e5%bf%ab%e5%8f%96%e5%ae%b9%e9%87%8f%e7%9a%84%e6%96%b9%e6%b3%95-QLboYYwmjs\">\u67e5\u8a62 Redis \u5feb\u53d6\u5bb9\u91cf\u7684\u65b9\u6cd5<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u547d\u4ee4\u4f86\u67e5\u8a62\u5feb\u53d6\u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-info-%e5%91%bd%e4%bb%a4-QLboYYwmjs\">1. \u4f7f\u7528 INFO \u547d\u4ee4<\/h3>\n<p>INFO \u547d\u4ee4\u53ef\u4ee5\u63d0\u4f9b Redis \u4f3a\u670d\u5668\u7684\u5404\u7a2e\u7d71\u8a08\u8cc7\u8a0a\uff0c\u5305\u62ec\u8a18\u61b6\u9ad4\u4f7f\u7528\u60c5\u6cc1\u3002\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>INFO memory<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u4e00\u7cfb\u5217\u6709\u95dc\u8a18\u61b6\u9ad4\u7684\u8cc7\u8a0a\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>used_memory<\/strong>: \u7576\u524d\u4f7f\u7528\u7684\u8a18\u61b6\u9ad4\u91cf\uff08\u4ee5\u5b57\u7bc0\u70ba\u55ae\u4f4d\uff09\u3002<\/li>\n<li><strong>used_memory_human<\/strong>: \u4ee5\u4eba\u985e\u53ef\u8b80\u7684\u683c\u5f0f\u986f\u793a\u7684\u4f7f\u7528\u8a18\u61b6\u9ad4\u91cf\u3002<\/li>\n<li><strong>maxmemory<\/strong>: \u8a2d\u5b9a\u7684\u6700\u5927\u8a18\u61b6\u9ad4\u9650\u5236\u3002<\/li>\n<li><strong>maxmemory_policy<\/strong>: \u7576\u9054\u5230\u6700\u5927\u8a18\u61b6\u9ad4\u9650\u5236\u6642\u7684\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-memory-stats-%e5%91%bd%e4%bb%a4-QLboYYwmjs\">2. \u4f7f\u7528 MEMORY STATS \u547d\u4ee4<\/h3>\n<p>MEMORY STATS \u547d\u4ee4\u63d0\u4f9b\u4e86\u66f4\u8a73\u7d30\u7684\u8a18\u61b6\u9ad4\u4f7f\u7528\u7d71\u8a08\u8cc7\u8a0a\u3002\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>MEMORY STATS<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u4e00\u7d44\u7d71\u8a08\u6578\u64da\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6df1\u5165\u5730\u4e86\u89e3\u8a18\u61b6\u9ad4\u7684\u4f7f\u7528\u60c5\u6cc1\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-memory-usage-%e5%91%bd%e4%bb%a4-QLboYYwmjs\">3. \u4f7f\u7528 MEMORY USAGE \u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u9700\u8981\u67e5\u8a62\u7279\u5b9a\u9375\u7684\u8a18\u61b6\u9ad4\u4f7f\u7528\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528 MEMORY USAGE \u547d\u4ee4\u3002\u57f7\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>MEMORY USAGE key_name<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6307\u5b9a\u9375\u6240\u4f54\u7528\u7684\u8a18\u61b6\u9ad4\u91cf\uff08\u4ee5\u5b57\u7bc0\u70ba\u55ae\u4f4d\uff09\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%93%8d%e4%bd%9c%e7%a4%ba%e4%be%8b-QLboYYwmjs\">\u5be6\u969b\u64cd\u4f5c\u793a\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba &#8220;user:1001&#8221; \u7684\u9375\uff0c\u4e26\u5e0c\u671b\u67e5\u8a62\u5176\u8a18\u61b6\u9ad4\u4f7f\u7528\u60c5\u6cc1\u3002\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u64cd\u4f5c\uff1a<\/p>\n<pre><code>redis-cli\n&gt; SET user:1001 \"John Doe\"\n&gt; MEMORY USAGE user:1001\n<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de &#8220;user:1001&#8221; \u9375\u7684\u8a18\u61b6\u9ad4\u4f7f\u7528\u91cf\u3002\u63a5\u8457\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 INFO \u547d\u4ee4\u4f86\u67e5\u770b\u6574\u9ad4\u7684\u8a18\u61b6\u9ad4\u4f7f\u7528\u60c5\u6cc1\uff1a<\/p>\n<pre><code>INFO memory<\/code><\/pre>\n<p>\u901a\u904e\u9019\u4e9b\u547d\u4ee4\uff0c\u6211\u5011\u53ef\u4ee5\u6e05\u695a\u5730\u4e86\u89e3 Redis \u7684\u5feb\u53d6\u5bb9\u91cf\u53ca\u5176\u4f7f\u7528\u60c5\u6cc1\uff0c\u5f9e\u800c\u505a\u51fa\u76f8\u61c9\u7684\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-QLboYYwmjs\">\u7d50\u8ad6<\/h2>\n<p>\u67e5\u8a62 Redis \u5feb\u53d6\u5bb9\u91cf\u662f\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u4f7f\u7528 INFO\u3001MEMORY STATS \u548c MEMORY USAGE \u7b49\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u6240\u9700\u7684\u8cc7\u8a0a\uff0c\u4e26\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u9032\u884c\u512a\u5316\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u4f86\u90e8\u7f72 Redis \u5c07\u662f\u660e\u667a\u4e4b\u8209\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Redis \u5feb\u53d6\u5bb9\u91cf\u67e5\u8a62\u7684\u5be6\u6230\u6280\u5de7\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u8b93\u4f60\u7684\u61c9\u7528\u7a0b\u5f0f\u904b\u884c\u66f4\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-116864","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/116864","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=116864"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/116864\/revisions"}],"predecessor-version":[{"id":116865,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/116864\/revisions\/116865"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=116864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=116864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=116864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}