{"id":172023,"date":"2024-11-07T09:38:17","date_gmt":"2024-11-07T01:38:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/172023\/"},"modified":"2024-11-07T09:38:17","modified_gmt":"2024-11-07T01:38:17","slug":"%e6%b8%85%e7%90%86redis%e4%b8%ad%e6%89%80%e6%9c%89%e7%84%a1%e7%94%a8%e4%bf%a1%e6%81%af%ef%bc%88redis%e6%b8%85%e7%90%86%e6%89%80%e6%9c%89%e7%9a%84%e5%bb%ba%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/172023\/","title":{"rendered":"\u6e05\u7406Redis\u4e2d\u6240\u6709\u7121\u7528\u4fe1\u606f\uff08redis\u6e05\u7406\u6240\u6709\u7684\u5efa\uff09"},"content":{"rendered":"<h1 id=\"%e6%b8%85%e7%90%86redis%e4%b8%ad%e6%89%80%e6%9c%89%e7%84%a1%e7%94%a8%e4%bf%a1%e6%81%af%ef%bc%88redis%e6%b8%85%e7%90%86%e6%89%80%e6%9c%89%e7%9a%84%e5%bb%ba%ef%bc%89-jKJjoDttYR\">\u6e05\u7406Redis\u4e2d\u6240\u6709\u7121\u7528\u4fe1\u606f\uff08redis\u6e05\u7406\u6240\u6709\u7684\u5efa\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\u6642\u9593\u7684\u63a8\u79fb\uff0cRedis\u4e2d\u53ef\u80fd\u6703\u7a4d\u7d2f\u5927\u91cf\u7684\u7121\u7528\u6578\u64da\uff0c\u9019\u4e0d\u50c5\u6703\u4f54\u7528\u5b58\u5132\u7a7a\u9593\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u7406Redis\u4e2d\u7684\u7121\u7528\u4fe1\u606f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u6e05\u7406Redis\u4e2d\u7684\u6240\u6709\u7121\u7528\u9375\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%86redis%e4%b8%ad%e7%9a%84%e7%84%a1%e7%94%a8%e4%bf%a1%e6%81%af-jKJjoDttYR\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406Redis\u4e2d\u7684\u7121\u7528\u4fe1\u606f<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u7684\u904e\u7a0b\u4e2d\uff0c\u7121\u7528\u9375\u7684\u7522\u751f\u662f\u4e0d\u53ef\u907f\u514d\u7684\u3002\u9019\u4e9b\u7121\u7528\u9375\u53ef\u80fd\u4f86\u81ea\u65bc\u904e\u671f\u7684\u7de9\u5b58\u3001\u6e2c\u8a66\u6578\u64da\u6216\u662f\u61c9\u7528\u7a0b\u5e8f\u7684\u932f\u8aa4\u3002\u9019\u4e9b\u7121\u7528\u4fe1\u606f\u7684\u5b58\u5728\u6703\u5c0e\u81f4\u4ee5\u4e0b\u5e7e\u500b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u5b58\u5132\u7a7a\u9593\u6d6a\u8cbb\uff1a<\/strong>\u7121\u7528\u9375\u6703\u4f54\u7528Redis\u7684\u5b58\u5132\u7a7a\u9593\uff0c\u589e\u52a0\u904b\u884c\u6210\u672c\u3002<\/li>\n<li><strong>\u6027\u80fd\u4e0b\u964d\uff1a<\/strong>\u5927\u91cf\u7684\u7121\u7528\u9375\u6703\u5f71\u97ffRedis\u7684\u67e5\u8a62\u6027\u80fd\uff0c\u5c0e\u81f4\u97ff\u61c9\u6642\u9593\u8b8a\u6162\u3002<\/li>\n<li><strong>\u7ba1\u7406\u56f0\u96e3\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u7ba1\u7406\u548c\u7dad\u8b77\u8b8a\u5f97\u66f4\u52a0\u56f0\u96e3\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%b8%85%e7%90%86redis%e4%b8%ad%e7%9a%84%e7%84%a1%e7%94%a8%e4%bf%a1%e6%81%af-jKJjoDttYR\">\u5982\u4f55\u6e05\u7406Redis\u4e2d\u7684\u7121\u7528\u4fe1\u606f<\/h2>\n<p>\u6e05\u7406Redis\u4e2d\u7684\u7121\u7528\u4fe1\u606f\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u9032\u884c\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8expire%e5%91%bd%e4%bb%a4%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-jKJjoDttYR\">1. \u4f7f\u7528EXPIRE\u547d\u4ee4\u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n<p>\u5728\u63d2\u5165\u6578\u64da\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528EXPIRE\u547d\u4ee4\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u7576\u904e\u671f\u6642\u9593\u5230\u9054\u6642\uff0cRedis\u6703\u81ea\u52d5\u522a\u9664\u8a72\u9375\u3002<\/p>\n<pre><code>EXPIRE mykey 60  # \u8a2d\u7f6emykey\u572860\u79d2\u5f8c\u904e\u671f<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8unlink%e5%91%bd%e4%bb%a4%e5%88%aa%e9%99%a4%e7%84%a1%e7%94%a8%e9%8d%b5-jKJjoDttYR\">2. \u4f7f\u7528UNLINK\u547d\u4ee4\u522a\u9664\u7121\u7528\u9375<\/h3>\n<p>\u5982\u679c\u5df2\u7d93\u78ba\u5b9a\u67d0\u4e9b\u9375\u662f\u7121\u7528\u7684\uff0c\u53ef\u4ee5\u4f7f\u7528UNLINK\u547d\u4ee4\u4f86\u522a\u9664\u9019\u4e9b\u9375\u3002UNLINK\u547d\u4ee4\u7684\u512a\u52e2\u5728\u65bc\u5b83\u662f\u975e\u963b\u585e\u7684\uff0c\u9069\u5408\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e2d\u4f7f\u7528\u3002<\/p>\n<pre><code>UNLINK mykey  # \u522a\u9664mykey<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4%e6%9f%a5%e6%89%be%e7%84%a1%e7%94%a8%e9%8d%b5-jKJjoDttYR\">3. \u4f7f\u7528SCAN\u547d\u4ee4\u67e5\u627e\u7121\u7528\u9375<\/h3>\n<p>\u5728\u6e05\u7406\u7121\u7528\u9375\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u627e\u5230\u9019\u4e9b\u9375\u3002\u53ef\u4ee5\u4f7f\u7528SCAN\u547d\u4ee4\u4f86\u904d\u6b77\u6240\u6709\u9375\uff0c\u4e26\u6839\u64da\u7279\u5b9a\u7684\u6a21\u5f0f\u904e\u6ffe\u51fa\u7121\u7528\u9375\u3002<\/p>\n<pre><code>SCAN 0 MATCH unused:* COUNT 100  # \u67e5\u627e\u6240\u6709\u4ee5unused:\u958b\u982d\u7684\u9375<\/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%e5%8a%9f%e8%83%bd-jKJjoDttYR\">4. \u4f7f\u7528Redis\u7684\u5167\u5b58\u7ba1\u7406\u529f\u80fd<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5b58\u7ba1\u7406\u7b56\u7565\uff0c\u5982LRU\uff08\u6700\u8fd1\u6700\u5c11\u4f7f\u7528\uff09\u548cLFU\uff08\u6700\u4e0d\u5e38\u4f7f\u7528\uff09\u7b49\u3002\u9019\u4e9b\u7b56\u7565\u53ef\u4ee5\u81ea\u52d5\u6e05\u7406\u4e0d\u5e38\u7528\u7684\u9375\uff0c\u5f9e\u800c\u91cb\u653e\u5167\u5b58\u3002<\/p>\n<pre><code>CONFIG SET maxmemory-policy allkeys-lru  # \u8a2d\u7f6eLRU\u7b56\u7565<\/code><\/pre>\n<h2 id=\"%e6%b8%85%e7%90%86%e5%be%8c%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-jKJjoDttYR\">\u6e05\u7406\u5f8c\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u6e05\u7406Redis\u4e2d\u7684\u7121\u7528\u4fe1\u606f\u5f8c\uff0c\u5efa\u8b70\u5b9a\u671f\u6aa2\u67e5Redis\u7684\u6027\u80fd\u548c\u5b58\u5132\u4f7f\u7528\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528INFO\u547d\u4ee4\u4f86\u7372\u53d6Redis\u7684\u904b\u884c\u72c0\u614b\u548c\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\u3002<\/p>\n<pre><code>INFO memory  # \u7372\u53d6\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jKJjoDttYR\">\u7e3d\u7d50<\/h2>\n<p>\u6e05\u7406Redis\u4e2d\u7684\u7121\u7528\u4fe1\u606f\u662f\u4fdd\u6301\u7cfb\u7d71\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u4f7f\u7528UNLINK\u547d\u4ee4\u3001\u67e5\u627e\u7121\u7528\u9375\u4ee5\u53ca\u5229\u7528Redis\u7684\u5167\u5b58\u7ba1\u7406\u529f\u80fd\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u6e05\u7406Redis\u4e2d\u7684\u6578\u64da\u3002\u5b9a\u671f\u9032\u884c\u9019\u4e9b\u64cd\u4f5c\u5c07\u6709\u52a9\u65bc\u63d0\u9ad8Redis\u7684\u904b\u884c\u6548\u7387\uff0c\u6e1b\u5c11\u8cc7\u6e90\u6d6a\u8cbb\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u60a8\u7684\u6578\u64da\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6e05\u7406Redis\u4e2d\u6240\u6709\u7121\u7528\u4fe1\u606f\uff0c\u5feb\u901f\u91cb\u653e\u5167\u5b58\u7a7a\u9593\uff0c\u63d0\u5347\u6027\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u904b\u884c\u9ad8\u6548\u7121\u963b\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-172023","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172023","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=172023"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172023\/revisions"}],"predecessor-version":[{"id":172024,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/172023\/revisions\/172024"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=172023"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=172023"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=172023"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}