{"id":147631,"date":"2024-11-01T13:02:36","date_gmt":"2024-11-01T05:02:36","guid":{"rendered":"https:\/\/server.hk\/cnblog\/147631\/"},"modified":"2024-11-01T13:02:37","modified_gmt":"2024-11-01T05:02:37","slug":"redis%e8%bf%bd%e6%b1%82%e5%85%a7%e5%ad%98%e7%9a%84%e6%b7%b1%e5%b1%a4%e6%9f%a5%e7%9c%8b%ef%bc%88redis%e6%9f%a5%e5%85%a7%e5%ad%98%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/147631\/","title":{"rendered":"Redis\u8ffd\u6c42\u5167\u5b58\u7684\u6df1\u5c64\u67e5\u770b\uff08redis\u67e5\u5167\u5b58\uff09"},"content":{"rendered":"<h1 id=\"redis%e8%bf%bd%e6%b1%82%e5%85%a7%e5%ad%98%e7%9a%84%e6%b7%b1%e5%b1%a4%e6%9f%a5%e7%9c%8b%ef%bc%88redis%e6%9f%a5%e5%85%a7%e5%ad%98%ef%bc%89-xrqsPvwbnS\">Redis\u8ffd\u6c42\u5167\u5b58\u7684\u6df1\u5c64\u67e5\u770b\uff08redis\u67e5\u5167\u5b58\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\uff0c\u5305\u62ec\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u589e\u9577\uff0c\u5c0d\u5167\u5b58\u4f7f\u7528\u7684\u76e3\u63a7\u548c\u512a\u5316\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728Redis\u4e2d\u9032\u884c\u5167\u5b58\u7684\u6df1\u5c64\u67e5\u770b\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u66f4\u597d\u5730\u7406\u89e3\u548c\u7ba1\u7406\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"redis%e5%85%a7%e5%ad%98%e7%ae%a1%e7%90%86%e6%a6%82%e8%bf%b0-xrqsPvwbnS\">Redis\u5167\u5b58\u7ba1\u7406\u6982\u8ff0<\/h2>\n<p>Redis\u4f7f\u7528\u4e00\u7a2e\u7a31\u70ba\u300c\u5167\u5b58\u6620\u5c04\u300d\u7684\u6280\u8853\u4f86\u7ba1\u7406\u6578\u64da\uff0c\u9019\u610f\u5473\u8457\u6240\u6709\u6578\u64da\u90fd\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u5f9e\u800c\u5be6\u73fe\u5feb\u901f\u7684\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\u3002Redis\u7684\u5167\u5b58\u7ba1\u7406\u7b56\u7565\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u3002\u4e0d\u540c\u7684\u6578\u64da\u7d50\u69cb\u5728\u5167\u5b58\u4e2d\u7684\u5b58\u5132\u65b9\u5f0f\u4e0d\u540c\uff0c\u9019\u6703\u5f71\u97ff\u5167\u5b58\u7684\u4f7f\u7528\u6548\u7387\u3002<\/li>\n<li><strong>\u5167\u5b58\u5206\u914d\uff1a<\/strong>Redis\u4f7f\u7528jemalloc\u4f5c\u70ba\u5176\u5167\u5b58\u5206\u914d\u5668\uff0c\u9019\u662f\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u5206\u914d\u5eab\uff0c\u80fd\u5920\u6e1b\u5c11\u5167\u5b58\u788e\u7247\u4e26\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<li><strong>\u5167\u5b58\u9650\u5236\uff1a<\/strong>\u7528\u6236\u53ef\u4ee5\u8a2d\u7f6eRedis\u7684\u6700\u5927\u5167\u5b58\u9650\u5236\uff0c\u7576\u9054\u5230\u6b64\u9650\u5236\u6642\uff0cRedis\u6703\u6839\u64da\u914d\u7f6e\u7684\u9a45\u9010\u7b56\u7565\u4f86\u91cb\u653e\u5167\u5b58\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8bredis%e7%9a%84%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e6%b3%81-xrqsPvwbnS\">\u5982\u4f55\u67e5\u770bRedis\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u547d\u4ee4\u4f86\u67e5\u770b\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<h3 id=\"1-info%e5%91%bd%e4%bb%a4-xrqsPvwbnS\">1. INFO\u547d\u4ee4<\/h3>\n<p>\u4f7f\u7528<code>INFO memory<\/code>\u547d\u4ee4\u53ef\u4ee5\u7372\u53d6Redis\u7684\u5167\u5b58\u4f7f\u7528\u7d71\u8a08\u4fe1\u606f\u3002\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u4e00\u7cfb\u5217\u7684\u5167\u5b58\u76f8\u95dc\u6307\u6a19\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>\n# Memory\nused_memory:104857600\nused_memory_human:100.00M\nused_memory_rss:120000000\nused_memory_peak:150000000\nused_memory_peak_human:143.06M\n<\/pre>\n<p>\u9019\u4e9b\u6307\u6a19\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>used_memory\uff1a<\/strong>\u7576\u524d\u4f7f\u7528\u7684\u5167\u5b58\u91cf\u3002<\/li>\n<li><strong>used_memory_human\uff1a<\/strong>\u4ee5\u4eba\u985e\u53ef\u8b80\u7684\u683c\u5f0f\u986f\u793a\u7684\u5167\u5b58\u4f7f\u7528\u91cf\u3002<\/li>\n<li><strong>used_memory_rss\uff1a<\/strong>\u64cd\u4f5c\u7cfb\u7d71\u5206\u914d\u7d66Redis\u7684\u5167\u5b58\u91cf\u3002<\/li>\n<li><strong>used_memory_peak\uff1a<\/strong>Redis\u904b\u884c\u904e\u7a0b\u4e2d\u4f7f\u7528\u7684\u6700\u5927\u5167\u5b58\u91cf\u3002<\/li>\n<\/ul>\n<h3 id=\"2-memory%e5%91%bd%e4%bb%a4-xrqsPvwbnS\">2. MEMORY\u547d\u4ee4<\/h3>\n<p>Redis\u9084\u63d0\u4f9b\u4e86<code>MEMORY<\/code>\u547d\u4ee4\u4f86\u9032\u884c\u66f4\u8a73\u7d30\u7684\u5167\u5b58\u5206\u6790\u3002\u4f8b\u5982\uff0c\u4f7f\u7528<code>MEMORY USAGE key<\/code>\u53ef\u4ee5\u67e5\u770b\u7279\u5b9a\u9375\u7684\u5167\u5b58\u4f7f\u7528\u91cf\uff1a<\/p>\n<pre>\n127.0.0.1:6379&gt; MEMORY USAGE mykey\n(integer) 256\n<\/pre>\n<p>\u9019\u5c0d\u65bc\u512a\u5316\u7279\u5b9a\u9375\u7684\u5167\u5b58\u4f7f\u7528\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n<h3 id=\"3-%e5%85%a7%e5%ad%98%e7%a2%8e%e7%89%87%e7%8e%87-xrqsPvwbnS\">3. \u5167\u5b58\u788e\u7247\u7387<\/h3>\n<p>\u5167\u5b58\u788e\u7247\u7387\u662f\u8861\u91cfRedis\u5167\u5b58\u4f7f\u7528\u6548\u7387\u7684\u4e00\u500b\u91cd\u8981\u6307\u6a19\u3002\u53ef\u4ee5\u901a\u904e<code>INFO memory<\/code>\u547d\u4ee4\u4e2d\u7684<code>mem_fragmentation_ratio<\/code>\u4f86\u67e5\u770b\u3002\u7406\u60f3\u7684\u788e\u7247\u7387\u61c9\u8a72\u63a5\u8fd11\uff0c\u904e\u9ad8\u7684\u788e\u7247\u7387\u53ef\u80fd\u610f\u5473\u8457\u5167\u5b58\u7684\u6d6a\u8cbb\u3002<\/p>\n<h2 id=\"%e5%84%aa%e5%8c%96redis%e5%85%a7%e5%ad%98%e4%bd%bf%e7%94%a8%e7%9a%84%e7%ad%96%e7%95%a5-xrqsPvwbnS\">\u512a\u5316Redis\u5167\u5b58\u4f7f\u7528\u7684\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8Redis\u7684\u5167\u5b58\u4f7f\u7528\u6548\u7387\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u6700\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff0c\u907f\u514d\u4f7f\u7528\u904e\u65bc\u8907\u96dc\u7684\u7d50\u69cb\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u5408\u7406\u7684\u5167\u5b58\u9650\u5236\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u9700\u6c42\u8a2d\u7f6eRedis\u7684\u6700\u5927\u5167\u5b58\u9650\u5236\uff0c\u4e26\u9078\u64c7\u5408\u9069\u7684\u9a45\u9010\u7b56\u7565\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6e05\u7406\u7121\u7528\u6578\u64da\uff1a<\/strong>\u5b9a\u671f\u6aa2\u67e5\u548c\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u9375\uff0c\u91cb\u653e\u5167\u5b58\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-xrqsPvwbnS\">\u7d50\u8ad6<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5176\u5167\u5b58\u7ba1\u7406\u548c\u4f7f\u7528\u60c5\u6cc1\u5c0d\u65bc\u61c9\u7528\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528<code>INFO<\/code>\u548c<code>MEMORY<\/code>\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6df1\u5165\u4e86\u89e3Redis\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u4e26\u63a1\u53d6\u76f8\u61c9\u7684\u512a\u5316\u63aa\u65bd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u5167\u5b58\u7ba1\u7406\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684<code>VPS<\/code>\u89e3\u6c7a\u65b9\u6848\uff0c\u5982<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\uff0c\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6df1\u5165\u63a2\u7d22Redis\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u67e5\u8a62\u548c\u5206\u6790Redis\u7684\u5167\u5b58\u6578\u64da\uff0c\u512a\u5316\u6027\u80fd\u548c\u8cc7\u6e90\u7ba1\u7406\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-147631","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/147631","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=147631"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/147631\/revisions"}],"predecessor-version":[{"id":147632,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/147631\/revisions\/147632"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=147631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=147631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=147631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}