{"id":125037,"date":"2024-10-25T19:16:20","date_gmt":"2024-10-25T11:16:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125037\/"},"modified":"2024-10-25T19:16:20","modified_gmt":"2024-10-25T11:16:20","slug":"redis-%e9%8d%b5%e5%88%aa%e9%99%a4%e7%ad%96%e7%95%a5%e6%9c%89%e6%95%88%e4%bf%9d%e8%ad%b7%e5%bf%ab%e5%8f%96%e8%b3%87%e6%ba%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125037\/","title":{"rendered":"Redis \u9375\u522a\u9664\u7b56\u7565\u6709\u6548\u4fdd\u8b77\u5feb\u53d6\u8cc7\u6e90"},"content":{"rendered":"<h1 id=\"redis-%e9%8d%b5%e5%88%aa%e9%99%a4%e7%ad%96%e7%95%a5%e6%9c%89%e6%95%88%e4%bf%9d%e8%ad%b7%e5%bf%ab%e5%8f%96%e8%b3%87%e6%ba%90-uFDKUAIdKc\">Redis \u9375\u522a\u9664\u7b56\u7565\u6709\u6548\u4fdd\u8b77\u5feb\u53d6\u8cc7\u6e90<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u8def\u74b0\u5883\u4e2d\uff0c\u5feb\u53d6\u6280\u8853\u5df2\u6210\u70ba\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\u6027\u80fd\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u8cc7\u6599\u7684\u7ba1\u7406\u3002\u7136\u800c\uff0c\u96a8\u8457\u8cc7\u6599\u91cf\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u9375\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7684\u9375\u522a\u9664\u7b56\u7565\uff0c\u4e26\u5206\u6790\u5176\u5982\u4f55\u6709\u6548\u4fdd\u8b77\u5feb\u53d6\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%8d%b5%e5%88%aa%e9%99%a4%e7%ad%96%e7%95%a5%e6%a6%82%e8%bf%b0-uFDKUAIdKc\">Redis \u7684\u9375\u522a\u9664\u7b56\u7565\u6982\u8ff0<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u9375\u522a\u9664\u7b56\u7565\uff0c\u9019\u4e9b\u7b56\u7565\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u5728\u5feb\u53d6\u8cc7\u6e90\u6709\u9650\u7684\u60c5\u6cc1\u4e0b\uff0c\u4fdd\u6301\u7cfb\u7d71\u7684\u9ad8\u6548\u904b\u884c\u3002\u4e3b\u8981\u7684\u9375\u522a\u9664\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u4e3b\u52d5\u522a\u9664\uff08Active Expiration\uff09<\/strong>\uff1aRedis \u5141\u8a31\u7528\u6236\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u7576\u9375\u904e\u671f\u5f8c\uff0cRedis \u6703\u81ea\u52d5\u5c07\u5176\u522a\u9664\u3002\u9019\u7a2e\u65b9\u5f0f\u9069\u5408\u65bc\u90a3\u4e9b\u4e0d\u518d\u9700\u8981\u7684\u5feb\u53d6\u8cc7\u6599\u3002<\/li>\n<li><strong>\u88ab\u52d5\u522a\u9664\uff08Passive Expiration\uff09<\/strong>\uff1a\u7576\u7528\u6236\u8a2a\u554f\u4e00\u500b\u904e\u671f\u7684\u9375\u6642\uff0cRedis \u6703\u81ea\u52d5\u5c07\u5176\u522a\u9664\u3002\u9019\u7a2e\u65b9\u5f0f\u96d6\u7136\u4e0d\u6703\u7acb\u5373\u91cb\u653e\u8cc7\u6e90\uff0c\u4f46\u80fd\u5920\u5728\u7528\u6236\u5be6\u969b\u8a2a\u554f\u6642\u9032\u884c\u6e05\u7406\u3002<\/li>\n<li><strong>\u5167\u5b58\u9650\u5236\uff08Memory Limit\uff09<\/strong>\uff1a\u7528\u6236\u53ef\u4ee5\u8a2d\u7f6e Redis \u7684\u5167\u5b58\u9650\u5236\uff0c\u7576\u9054\u5230\u9019\u500b\u9650\u5236\u6642\uff0cRedis \u6703\u6839\u64da\u7279\u5b9a\u7684\u7b56\u7565\uff08\u5982 LRU\u3001LFU \u7b49\uff09\u81ea\u52d5\u522a\u9664\u4e00\u4e9b\u9375\u4ee5\u91cb\u653e\u5167\u5b58\u3002<\/li>\n<\/ul>\n<h2 id=\"%e9%8d%b5%e5%88%aa%e9%99%a4%e7%ad%96%e7%95%a5%e7%9a%84%e5%af%a6%e7%8f%be-uFDKUAIdKc\">\u9375\u522a\u9664\u7b56\u7565\u7684\u5be6\u73fe<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u9375\u522a\u9664\u7b56\u7565\u7684\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<h3 id=\"%e4%b8%bb%e5%8b%95%e5%88%aa%e9%99%a4%e7%a4%ba%e4%be%8b-uFDKUAIdKc\">\u4e3b\u52d5\u522a\u9664\u793a\u4f8b<\/h3>\n<pre><code>SET mykey \"Hello\"\nEXPIRE mykey 10  # mykey \u5c07\u5728 10 \u79d2\u5f8c\u81ea\u52d5\u522a\u9664\n<\/code><\/pre>\n<h3 id=\"%e8%a2%ab%e5%8b%95%e5%88%aa%e9%99%a4%e7%a4%ba%e4%be%8b-uFDKUAIdKc\">\u88ab\u52d5\u522a\u9664\u793a\u4f8b<\/h3>\n<pre><code>SET mykey \"Hello\"\n# \u7576\u7528\u6236\u8a2a\u554f mykey \u6642\uff0c\u5982\u679c\u5b83\u5df2\u904e\u671f\uff0cRedis \u5c07\u81ea\u52d5\u522a\u9664\u5b83\n<\/code><\/pre>\n<h3 id=\"%e5%85%a7%e5%ad%98%e9%99%90%e5%88%b6%e7%a4%ba%e4%be%8b-uFDKUAIdKc\">\u5167\u5b58\u9650\u5236\u793a\u4f8b<\/h3>\n<pre><code>CONFIG SET maxmemory 100mb  # \u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u70ba 100MB\nCONFIG SET maxmemory-policy allkeys-lru  # \u4f7f\u7528 LRU \u7b56\u7565\n<\/code><\/pre>\n<h2 id=\"%e9%8d%b5%e5%88%aa%e9%99%a4%e7%ad%96%e7%95%a5%e7%9a%84%e5%84%aa%e5%8b%a2-uFDKUAIdKc\">\u9375\u522a\u9664\u7b56\u7565\u7684\u512a\u52e2<\/h2>\n<p>\u6709\u6548\u7684\u9375\u522a\u9664\u7b56\u7565\u4e0d\u50c5\u80fd\u5920\u91cb\u653e\u5feb\u53d6\u8cc7\u6e90\uff0c\u9084\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4e3b\u8981\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406<\/strong>\uff1a\u901a\u904e\u81ea\u52d5\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u9375\uff0cRedis \u80fd\u5920\u6709\u6548\u7ba1\u7406\u5167\u5b58\u8cc7\u6e90\uff0c\u907f\u514d\u56e0\u5167\u5b58\u4e0d\u8db3\u800c\u5c0e\u81f4\u7684\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u6027\u80fd\u63d0\u5347<\/strong>\uff1a\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u9375\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027<\/strong>\uff1a\u7528\u6236\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u4e0d\u540c\u7684\u522a\u9664\u7b56\u7565\uff0c\u9748\u6d3b\u61c9\u5c0d\u4e0d\u540c\u7684\u5834\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-uFDKUAIdKc\">\u7d50\u8ad6<\/h2>\n<p>Redis \u7684\u9375\u522a\u9664\u7b56\u7565\u5728\u5feb\u53d6\u8cc7\u6e90\u7684\u7ba1\u7406\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002\u901a\u904e\u4e3b\u52d5\u522a\u9664\u3001\u88ab\u52d5\u522a\u9664\u548c\u5167\u5b58\u9650\u5236\u7b49\u7b56\u7565\uff0c\u7528\u6236\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u8b77\u5feb\u53d6\u8cc7\u6e90\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u3002\u96a8\u8457\u8cc7\u6599\u91cf\u7684\u589e\u52a0\uff0c\u5408\u7406\u7684\u9375\u522a\u9664\u7b56\u7565\u5c07\u6210\u70ba\u78ba\u4fdd\u61c9\u7528\u7a0b\u5f0f\u7a69\u5b9a\u904b\u884c\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u53ca\u5176\u61c9\u7528\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Redis\u9375\u522a\u9664\u7b56\u7565\uff0c\u5982\u4f55\u6709\u6548\u4fdd\u8b77\u5feb\u53d6\u8cc7\u6e90\uff0c\u63d0\u5347\u7cfb\u7d71\u6548\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u7ba1\u7406\u7684\u6700\u4f73\u5be6\u8e10\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-125037","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125037","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=125037"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125037\/revisions"}],"predecessor-version":[{"id":125038,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125037\/revisions\/125038"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=125037"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=125037"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=125037"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}