{"id":128979,"date":"2024-10-26T18:11:21","date_gmt":"2024-10-26T10:11:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128979\/"},"modified":"2024-10-26T18:11:22","modified_gmt":"2024-10-26T10:11:22","slug":"redis%e5%af%a6%e7%8f%be%e5%84%aa%e5%8c%96%e7%9a%84%e5%bf%ab%e5%8f%96%e7%ad%96%e7%95%a5%ef%bc%88redis%e9%85%8d%e7%bd%ae%e5%bf%ab%e5%8f%96%e7%ad%96%e7%95%a5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128979\/","title":{"rendered":"Redis\u5be6\u73fe\u512a\u5316\u7684\u5feb\u53d6\u7b56\u7565\uff08redis\u914d\u7f6e\u5feb\u53d6\u7b56\u7565\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e5%84%aa%e5%8c%96%e7%9a%84%e5%bf%ab%e5%8f%96%e7%ad%96%e7%95%a5%ef%bc%88redis%e9%85%8d%e7%bd%ae%e5%bf%ab%e5%8f%96%e7%ad%96%e7%95%a5%ef%bc%89-rSiCeFldMJ\">Redis\u5be6\u73fe\u512a\u5316\u7684\u5feb\u53d6\u7b56\u7565\uff08redis\u914d\u7f6e\u5feb\u53d6\u7b56\u7565\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u8def\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u7684\u5feb\u901f\u5b58\u53d6\u5c0d\u65bc\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u7b56\u7565\u7684\u5be6\u73fe\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u7684\u5feb\u53d6\u7b56\u7565\u53ca\u5176\u914d\u7f6e\u65b9\u6cd5\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u512a\u5316\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%e5%bf%ab%e5%8f%96%e7%ad%96%e7%95%a5%ef%bc%9f-rSiCeFldMJ\">\u4ec0\u9ebc\u662fRedis\u5feb\u53d6\u7b56\u7565\uff1f<\/h2>\n<p>Redis\u5feb\u53d6\u7b56\u7565\u662f\u6307\u5982\u4f55\u5728Redis\u4e2d\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\uff0c\u4ee5\u63d0\u9ad8\u6578\u64da\u5b58\u53d6\u7684\u901f\u5ea6\u548c\u6548\u7387\u3002\u5feb\u53d6\u7b56\u7565\u7684\u9078\u64c7\u76f4\u63a5\u5f71\u97ff\u5230\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\u3002\u5e38\u898b\u7684\u5feb\u53d6\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>LRU\uff08Least Recently Used\uff09<\/strong>\uff1a\u6700\u5c11\u4f7f\u7528\u7684\u6578\u64da\u5c07\u88ab\u512a\u5148\u6dd8\u6c70\u3002<\/li>\n<li><strong>LFU\uff08Least Frequently Used\uff09<\/strong>\uff1a\u6700\u5c11\u983b\u7e41\u4f7f\u7528\u7684\u6578\u64da\u5c07\u88ab\u512a\u5148\u6dd8\u6c70\u3002<\/li>\n<li><strong>TTL\uff08Time To Live\uff09<\/strong>\uff1a\u8a2d\u7f6e\u6578\u64da\u7684\u6709\u6548\u671f\uff0c\u904e\u671f\u5f8c\u81ea\u52d5\u522a\u9664\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e5%bf%ab%e5%8f%96%e7%ad%96%e7%95%a5%e7%9a%84%e9%85%8d%e7%bd%ae-rSiCeFldMJ\">Redis\u5feb\u53d6\u7b56\u7565\u7684\u914d\u7f6e<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u914d\u7f6e\u9078\u9805\u4f86\u5be6\u73fe\u4e0d\u540c\u7684\u5feb\u53d6\u7b56\u7565\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u914d\u7f6e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e6%9c%80%e5%a4%a7%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6-rSiCeFldMJ\">1. \u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u9650\u5236<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u8a2d\u7f6eRedis\u7684\u6700\u5927\u5167\u5b58\u9650\u5236\uff0c\u4ee5\u4fbf\u5728\u9054\u5230\u6b64\u9650\u5236\u6642\u80fd\u5920\u555f\u7528\u6dd8\u6c70\u7b56\u7565\u3002\u53ef\u4ee5\u5728Redis\u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>maxmemory 256mb<\/code><\/pre>\n<p>\u9019\u88e1\u7684256mb\u662f\u60a8\u5e0c\u671bRedis\u4f7f\u7528\u7684\u6700\u5927\u5167\u5b58\u91cf\u3002\u7576Redis\u7684\u5167\u5b58\u4f7f\u7528\u91cf\u9054\u5230\u6b64\u9650\u5236\u6642\uff0c\u5c07\u6839\u64da\u914d\u7f6e\u7684\u6dd8\u6c70\u7b56\u7565\u4f86\u8655\u7406\u6578\u64da\u3002<\/p>\n<h3 id=\"2-%e9%85%8d%e7%bd%ae%e6%b7%98%e6%b1%b0%e7%ad%96%e7%95%a5-rSiCeFldMJ\">2. \u914d\u7f6e\u6dd8\u6c70\u7b56\u7565<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u9078\u64c7\u5408\u9069\u7684\u6dd8\u6c70\u7b56\u7565\u3002\u53ef\u4ee5\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>maxmemory-policy allkeys-lru<\/code><\/pre>\n<p>\u9019\u88e1\u7684\u201callkeys-lru\u201d\u8868\u793aRedis\u5c07\u4f7f\u7528LRU\u7b56\u7565\u4f86\u6dd8\u6c70\u6240\u6709\u9375\u3002\u5982\u679c\u60a8\u5e0c\u671b\u53ea\u5c0d\u904e\u671f\u7684\u9375\u9032\u884c\u6dd8\u6c70\uff0c\u53ef\u4ee5\u4f7f\u7528\u201cvolatile-lru\u201d\u3002<\/p>\n<h3 id=\"3-%e8%a8%ad%e7%bd%aettl%ef%bc%88time-to-live%ef%bc%89-rSiCeFldMJ\">3. \u8a2d\u7f6eTTL\uff08Time To Live\uff09<\/h3>\n<p>\u70ba\u4e86\u9032\u4e00\u6b65\u512a\u5316\u5feb\u53d6\uff0c\u60a8\u53ef\u4ee5\u70ba\u7279\u5b9a\u7684\u9375\u8a2d\u7f6eTTL\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\u80fd\u5920\u81ea\u52d5\u904e\u671f\uff0c\u91cb\u653e\u5167\u5b58\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8a2d\u7f6eTTL\uff1a<\/p>\n<pre><code>EXPIRE mykey 300<\/code><\/pre>\n<p>\u9019\u88e1\u7684300\u8868\u793a\u8a72\u9375\u5728300\u79d2\u5f8c\u904e\u671f\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%a1%88%e4%be%8b%e5%88%86%e6%9e%90-rSiCeFldMJ\">\u5be6\u969b\u6848\u4f8b\u5206\u6790<\/h2>\n<p>\u5047\u8a2d\u60a8\u6709\u4e00\u500b\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\uff0c\u4f7f\u7528Redis\u4f86\u5feb\u53d6\u5546\u54c1\u4fe1\u606f\u3002\u60a8\u53ef\u4ee5\u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u70ba512MB\uff0c\u4e26\u9078\u64c7LRU\u7b56\u7565\u4f86\u78ba\u4fdd\u6700\u5e38\u7528\u7684\u5546\u54c1\u4fe1\u606f\u80fd\u5920\u5feb\u901f\u5b58\u53d6\u3002\u7576\u7528\u6236\u8a2a\u554f\u5546\u54c1\u9801\u9762\u6642\uff0cRedis\u5c07\u9996\u5148\u6aa2\u67e5\u5feb\u53d6\uff0c\u5982\u679c\u6578\u64da\u5b58\u5728\uff0c\u5247\u76f4\u63a5\u8fd4\u56de\uff0c\u5426\u5247\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u4e26\u66f4\u65b0\u5feb\u53d6\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-rSiCeFldMJ\">\u7d50\u8ad6<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u986f\u8457\u63d0\u9ad8\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\u3002\u901a\u904e\u5408\u7406\u914d\u7f6e\u5feb\u53d6\u7b56\u7565\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u5167\u5b58\u4f7f\u7528\uff0c\u512a\u5316\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u3002\u7121\u8ad6\u662f\u9078\u64c7LRU\u3001LFU\u9084\u662fTTL\u7b56\u7565\uff0c\u6b63\u78ba\u7684\u914d\u7f6e\u90fd\u80fd\u70ba\u60a8\u7684\u61c9\u7528\u7a0b\u5f0f\u5e36\u4f86\u986f\u8457\u7684\u6027\u80fd\u63d0\u5347\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc<code>VPS<\/code>\u3001<code>\u9999\u6e2fVPS<\/code>\u53ca\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u7684\u5feb\u53d6\u7b56\u7565\u512a\u5316\uff0c\u5b78\u7fd2\u5982\u4f55\u914d\u7f6e\u4ee5\u63d0\u5347\u6027\u80fd\u548c\u6548\u7387\uff0c\u5be6\u73fe\u66f4\u5feb\u7684\u6578\u64da\u5b58\u53d6\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-128979","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128979","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=128979"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128979\/revisions"}],"predecessor-version":[{"id":128980,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128979\/revisions\/128980"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}