{"id":184284,"date":"2024-11-10T11:56:23","date_gmt":"2024-11-10T03:56:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184284\/"},"modified":"2024-11-10T11:56:24","modified_gmt":"2024-11-10T03:56:24","slug":"%e4%bd%bf%e7%94%a8redis%e7%ae%a1%e7%90%86%e7%b7%a9%e5%ad%98%e6%bd%94%e6%b7%a8%e7%9a%84%e5%85%a7%e5%ad%98%e7%a9%ba%e9%96%93%ef%bc%88redis%e6%b8%85%e7%90%86%e6%8f%9b%e5%ad%98%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184284\/","title":{"rendered":"\u4f7f\u7528Redis\u7ba1\u7406\u7de9\u5b58\u6f54\u6de8\u7684\u5167\u5b58\u7a7a\u9593\uff08redis\u6e05\u7406\u63db\u5b58\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e7%ae%a1%e7%90%86%e7%b7%a9%e5%ad%98%e6%bd%94%e6%b7%a8%e7%9a%84%e5%85%a7%e5%ad%98%e7%a9%ba%e9%96%93%ef%bc%88redis%e6%b8%85%e7%90%86%e6%8f%9b%e5%ad%98%ef%bc%89-WPNLBtwkMH\">\u4f7f\u7528Redis\u7ba1\u7406\u7de9\u5b58\u6f54\u6de8\u7684\u5167\u5b58\u7a7a\u9593\uff08redis\u6e05\u7406\u63db\u5b58\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u96a8\u8457\u7528\u6236\u9700\u6c42\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u5167\u5b58\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u7de9\u5b58\u7ba1\u7406\u529f\u80fd\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u4fdd\u6301\u5167\u5b58\u7684\u6f54\u6de8\u548c\u9ad8\u6548\u904b\u884c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u9032\u884c\u7de9\u5b58\u7ba1\u7406\uff0c\u7279\u5225\u662f\u5982\u4f55\u6e05\u7406\u548c\u63db\u5b58\u5167\u5b58\u7a7a\u9593\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-WPNLBtwkMH\">Redis\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\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\u5b83\u7684\u9ad8\u6548\u6027\u4e3b\u8981\u4f86\u81ea\u65bc\u5176\u5c07\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u4e26\u4e14\u652f\u6301\u6301\u4e45\u5316\u5230\u78c1\u789f\u3002\u9019\u4f7f\u5f97Redis\u5728\u8655\u7406\u9ad8\u4e26\u767c\u8acb\u6c42\u6642\u8868\u73fe\u51fa\u8272\uff0c\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7684\u9996\u9078\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\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%b7%a9%e5%ad%98-WPNLBtwkMH\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406\u7de9\u5b58<\/h2>\n<p>\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u7de9\u5b58\u4e2d\u7684\u6578\u64da\u53ef\u80fd\u6703\u8b8a\u5f97\u904e\u6642\u6216\u4e0d\u518d\u9700\u8981\u3002\u9019\u4e0d\u50c5\u6703\u4f54\u7528\u5bf6\u8cb4\u7684\u5167\u5b58\u8cc7\u6e90\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u6027\u80fd\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u7406\u7de9\u5b58\u662f\u4fdd\u6301\u7cfb\u7d71\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e7%b7%a9%e5%ad%98%e6%b8%85%e7%90%86%e7%ad%96%e7%95%a5-WPNLBtwkMH\">Redis\u7684\u7de9\u5b58\u6e05\u7406\u7b56\u7565<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u7de9\u5b58\u6e05\u7406\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u7b56\u7565\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u6e05\u7406\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u6e05\u7406\uff08Periodic Cleanup\uff09<\/strong>: Redis\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u5b9a\u6642\u4efb\u52d9\uff0c\u5b9a\u671f\u6aa2\u67e5\u4e26\u522a\u9664\u904e\u671f\u7684\u9375\u3002<\/li>\n<li><strong>\u60f0\u6027\u6e05\u7406\uff08Lazy Cleanup\uff09<\/strong>: \u7576\u7528\u6236\u8acb\u6c42\u4e00\u500b\u9375\u6642\uff0cRedis\u6703\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\uff0c\u5982\u679c\u904e\u671f\u5247\u522a\u9664\u3002<\/li>\n<li><strong>\u5167\u5b58\u9650\u5236\uff08Memory Limit\uff09<\/strong>: \u7576Redis\u7684\u5167\u5b58\u4f7f\u7528\u9054\u5230\u8a2d\u5b9a\u7684\u4e0a\u9650\u6642\uff0c\u6703\u6839\u64da\u914d\u7f6e\u7684\u7b56\u7565\u81ea\u52d5\u522a\u9664\u4e00\u4e9b\u9375\u4ee5\u91cb\u653e\u5167\u5b58\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%af%a6%e7%8f%be%e7%b7%a9%e5%ad%98%e6%b8%85%e7%90%86-WPNLBtwkMH\">\u5982\u4f55\u5be6\u73fe\u7de9\u5b58\u6e05\u7406<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u9032\u884c\u7de9\u5b58\u6e05\u7406\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-WPNLBtwkMH\">1. \u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5728\u5c07\u6578\u64da\u5b58\u5165Redis\u6642\uff0c\u53ef\u4ee5\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\uff0c\u7576\u904e\u671f\u6642\u9593\u5230\u9054\u6642\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SET mykey \"Hello\" EX 10<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c07\u9375\u201cmykey\u201d\u8a2d\u7f6e\u70ba\u201cHello\u201d\uff0c\u4e26\u572810\u79d2\u5f8c\u81ea\u52d5\u904e\u671f\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e9%8d%b5%e6%a8%a1%e5%bc%8f%e6%8e%83%e6%8f%8f-WPNLBtwkMH\">2. \u4f7f\u7528\u9375\u6a21\u5f0f\u6383\u63cf<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528SCAN\u547d\u4ee4\u4f86\u6383\u63cf\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u9375\uff0c\u4e26\u6839\u64da\u9700\u8981\u522a\u9664\u5b83\u5011\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SCAN 0 MATCH mykey:* COUNT 100<\/code><\/pre>\n<p>\u9019\u5c07\u6383\u63cf\u6240\u6709\u4ee5\u201cmykey:\u201d\u958b\u982d\u7684\u9375\uff0c\u4e26\u8fd4\u56de\u6700\u591a100\u500b\u5339\u914d\u7684\u9375\u3002<\/p>\n<h3 id=\"3-%e8%a8%ad%e7%bd%ae%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6-WPNLBtwkMH\">3. \u8a2d\u7f6e\u5167\u5b58\u9650\u5236<\/h3>\n<p>\u53ef\u4ee5\u5728Redis\u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6emaxmemory\u53c3\u6578\uff0c\u4e26\u9078\u64c7\u5408\u9069\u7684\u5167\u5b58\u6e05\u7406\u7b56\u7565\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>maxmemory 256mb\nmaxmemory-policy allkeys-lru<\/code><\/pre>\n<p>\u9019\u6a23\u8a2d\u7f6e\u5f8c\uff0c\u7576\u5167\u5b58\u4f7f\u7528\u8d85\u904e256MB\u6642\uff0cRedis\u5c07\u6839\u64daLRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u7b56\u7565\u81ea\u52d5\u522a\u9664\u9375\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-WPNLBtwkMH\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528Redis\u9032\u884c\u7de9\u5b58\u7ba1\u7406\u4e0d\u50c5\u53ef\u4ee5\u63d0\u9ad8\u61c9\u7528\u6027\u80fd\uff0c\u9084\u80fd\u6709\u6548\u5730\u7ba1\u7406\u5167\u5b58\u7a7a\u9593\u3002\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u4f7f\u7528\u9375\u6a21\u5f0f\u6383\u63cf\u548c\u8a2d\u7f6e\u5167\u5b58\u9650\u5236\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u904b\u884c\u7684\u9ad8\u6548\u6027\u548c\u7a69\u5b9a\u6027\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0cRedis\u7684\u61c9\u7528\u5834\u666f\u5c07\u6703\u66f4\u52a0\u5ee3\u6cdb\uff0c\u6210\u70ba\u958b\u767c\u8005\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc<em><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/em>\u548c<em><a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Redis\u6709\u6548\u7ba1\u7406\u7de9\u5b58\uff0c\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u5167\u5b58\u7a7a\u9593\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u5b58\u53d6\u5feb\u901f\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-184284","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184284","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=184284"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184284\/revisions"}],"predecessor-version":[{"id":184285,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184284\/revisions\/184285"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}