{"id":98072,"date":"2024-10-20T23:32:19","date_gmt":"2024-10-20T15:32:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/98072\/"},"modified":"2024-10-20T23:32:19","modified_gmt":"2024-10-20T15:32:19","slug":"redis-%e6%9f%a5%e7%9c%8b%e5%ae%b9%e9%87%8f%e5%a4%a7%e5%b0%8f%e8%bc%95%e9%ac%86%e7%ae%a1%e7%90%86%e5%bf%ab%e5%8f%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/98072\/","title":{"rendered":"Redis \u67e5\u770b\u5bb9\u91cf\u5927\u5c0f\u8f15\u9b06\u7ba1\u7406\u5feb\u53d6"},"content":{"rendered":"<h1 id=\"redis-%e6%9f%a5%e7%9c%8b%e5%ae%b9%e9%87%8f%e5%a4%a7%e5%b0%8f%e8%bc%95%e9%ac%86%e7%ae%a1%e7%90%86%e5%bf%ab%e5%8f%96-vJGXqlucTR\">Redis \u67e5\u770b\u5bb9\u91cf\u5927\u5c0f\u8f15\u9b06\u7ba1\u7406\u5feb\u53d6<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u5feb\u53d6\u6280\u8853\u5df2\u6210\u70ba\u63d0\u5347\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u7cfb\u7d71\u4e2d\u3002\u4e86\u89e3 Redis \u7684\u5bb9\u91cf\u5927\u5c0f\u53ca\u5176\u7ba1\u7406\u65b9\u5f0f\uff0c\u5c0d\u65bc\u512a\u5316\u61c9\u7528\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u67e5\u770b Redis \u7684\u5bb9\u91cf\u5927\u5c0f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u7ba1\u7406\u5feb\u53d6\u7684\u5be6\u7528\u6280\u5de7\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-vJGXqlucTR\">Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e7%9c%8b-redis-%e5%ae%b9%e9%87%8f%e5%a4%a7%e5%b0%8f-vJGXqlucTR\">\u67e5\u770b Redis \u5bb9\u91cf\u5927\u5c0f<\/h2>\n<p>\u8981\u6709\u6548\u7ba1\u7406 Redis \u7684\u5feb\u53d6\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u5176\u7576\u524d\u7684\u5bb9\u91cf\u4f7f\u7528\u60c5\u6cc1\u3002Redis \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<ul>\n<li><code>INFO memory<\/code>\uff1a\u6b64\u547d\u4ee4\u53ef\u4ee5\u986f\u793a Redis \u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u5305\u62ec\u7e3d\u5167\u5b58\u3001\u5df2\u7528\u5167\u5b58\u3001\u6700\u5927\u5167\u5b58\u7b49\u4fe1\u606f\u3002<\/li>\n<li><code>MEMORY USAGE &lt;key&gt;<\/code>\uff1a\u6b64\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u7279\u5b9a\u9375\u7684\u5167\u5b58\u4f7f\u7528\u91cf\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u4e86\u89e3\u54ea\u4e9b\u6578\u64da\u4f54\u7528\u4e86\u8f03\u591a\u7684\u5167\u5b58\u3002<\/li>\n<li><code>MEMORY STATS<\/code>\uff1a\u6b64\u547d\u4ee4\u63d0\u4f9b\u4e86\u66f4\u8a73\u7d30\u7684\u5167\u5b58\u7d71\u8a08\u4fe1\u606f\uff0c\u5305\u62ec\u5167\u5b58\u788e\u7247\u7387\u7b49\u3002<\/li>\n<\/ul>\n<h3 id=\"%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-vJGXqlucTR\">\u4f7f\u7528\u7bc4\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528\u9019\u4e9b\u547d\u4ee4\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>127.0.0.1:6379&gt; INFO memory\n# Memory\nused_memory:10485760\nused_memory_human:10.00M\nmaxmemory:67108864\nmaxmemory_human:64.00M\nmem_fragmentation_ratio:1.50\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230 Redis \u7684\u7e3d\u5167\u5b58\u4f7f\u7528\u91cf\u70ba 10MB\uff0c\u6700\u5927\u5167\u5b58\u9650\u5236\u70ba 64MB\uff0c\u5167\u5b58\u788e\u7247\u7387\u70ba 1.50\u3002<\/p>\n<h2 id=\"%e7%ae%a1%e7%90%86-redis-%e5%bf%ab%e5%8f%96%e7%9a%84%e6%8a%80%e5%b7%a7-vJGXqlucTR\">\u7ba1\u7406 Redis \u5feb\u53d6\u7684\u6280\u5de7<\/h2>\n<p>\u4e86\u89e3 Redis \u7684\u5bb9\u91cf\u4f7f\u7528\u60c5\u6cc1\u5f8c\uff0c\u63a5\u4e0b\u4f86\u662f\u5982\u4f55\u6709\u6548\u7ba1\u7406\u5feb\u53d6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u9650\u5236<\/strong>\uff1a\u4f7f\u7528 <code>CONFIG SET maxmemory &lt;bytes&gt;<\/code> \u547d\u4ee4\u53ef\u4ee5\u8a2d\u7f6e Redis \u7684\u6700\u5927\u5167\u5b58\u9650\u5236\uff0c\u9632\u6b62\u5167\u5b58\u6ea2\u51fa\u3002<\/li>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u9a45\u9010\u7b56\u7565<\/strong>\uff1aRedis \u63d0\u4f9b\u4e86\u591a\u7a2e\u9a45\u9010\u7b56\u7565\uff0c\u5982 <code>volatile-lru<\/code>\u3001<code>allkeys-lru<\/code> \u7b49\uff0c\u6839\u64da\u61c9\u7528\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u7b56\u7565\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u5167\u5b58\u3002<\/li>\n<li><strong>\u5b9a\u671f\u6e05\u7406\u904e\u671f\u9375<\/strong>\uff1a\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u5b9a\u671f\u6e05\u7406\u904e\u671f\u7684\u5feb\u53d6\u6578\u64da\uff0c\u91cb\u653e\u5167\u5b58\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e8%a8%ad%e7%bd%ae%e6%9c%80%e5%a4%a7%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6-vJGXqlucTR\">\u793a\u4f8b\uff1a\u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u9650\u5236<\/h3>\n<pre><code>127.0.0.1:6379&gt; CONFIG SET maxmemory 67108864\nOK\n<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07 Redis \u7684\u6700\u5927\u5167\u5b58\u9650\u5236\u8a2d\u7f6e\u70ba 64MB\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-vJGXqlucTR\">\u7e3d\u7d50<\/h2>\n<p>\u4e86\u89e3 Redis \u7684\u5bb9\u91cf\u5927\u5c0f\u53ca\u5176\u7ba1\u7406\u65b9\u5f0f\u5c0d\u65bc\u63d0\u5347\u61c9\u7528\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528 <code>INFO<\/code>\u3001<code>MEMORY USAGE<\/code> \u7b49\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u67e5\u770b\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u4e26\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u6709\u6548\u7684\u5feb\u53d6\u7ba1\u7406\u3002\u82e5\u60a8\u9700\u8981\u9032\u4e00\u6b65\u4e86\u89e3 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u53ca\u5176\u5728\u5feb\u53d6\u7ba1\u7406\u4e2d\u7684\u61c9\u7528\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u8f15\u9b06\u67e5\u770bRedis\u5bb9\u91cf\u5927\u5c0f\uff0c\u63d0\u5347\u5feb\u53d6\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u6700\u4f73\u5316\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-98072","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98072","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=98072"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98072\/revisions"}],"predecessor-version":[{"id":98073,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/98072\/revisions\/98073"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=98072"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=98072"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=98072"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}