{"id":116492,"date":"2024-10-24T15:44:36","date_gmt":"2024-10-24T07:44:36","guid":{"rendered":"https:\/\/server.hk\/cnblog\/116492\/"},"modified":"2024-10-24T15:44:37","modified_gmt":"2024-10-24T07:44:37","slug":"redis-%e5%bf%ab%e5%8f%96%e6%b8%85%e7%90%86%e6%9c%89%e6%95%88%e7%ae%a1%e7%90%86%e5%bf%ab%e5%8f%96%e6%99%82%e9%96%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/116492\/","title":{"rendered":"Redis \u5feb\u53d6\u6e05\u7406\u6709\u6548\u7ba1\u7406\u5feb\u53d6\u6642\u9593"},"content":{"rendered":"<h1 id=\"redis-%e5%bf%ab%e5%8f%96%e6%b8%85%e7%90%86%e6%9c%89%e6%95%88%e7%ae%a1%e7%90%86%e5%bf%ab%e5%8f%96%e6%99%82%e9%96%93-aakgjipWTw\">Redis \u5feb\u53d6\u6e05\u7406\u6709\u6548\u7ba1\u7406\u5feb\u53d6\u6642\u9593<\/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\u5de5\u5177\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\u3002\u7136\u800c\uff0c\u96a8\u8457\u5feb\u53d6\u6578\u64da\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u7ba1\u7406\u5feb\u53d6\u6642\u9593\u548c\u6e05\u7406\u904e\u671f\u6578\u64da\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u5feb\u53d6\u7684\u6e05\u7406\u6a5f\u5236\u53ca\u5176\u6709\u6548\u7ba1\u7406\u5feb\u53d6\u6642\u9593\u7684\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"redis-%e5%bf%ab%e5%8f%96%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-aakgjipWTw\">Redis \u5feb\u53d6\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\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\u5b83\u7684\u9ad8\u6027\u80fd\u7279\u6027\u4f7f\u5176\u6210\u70ba\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\u7684\u9996\u9078\u3002\u5feb\u53d6\u7684\u4e3b\u8981\u76ee\u7684\u662f\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8b80\u53d6\u58d3\u529b\uff0c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5f0f\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e5%bf%ab%e5%8f%96%e6%99%82%e9%96%93%e7%9a%84%e7%ae%a1%e7%90%86-aakgjipWTw\">\u5feb\u53d6\u6642\u9593\u7684\u7ba1\u7406<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u5feb\u53d6\u6642\u9593\u7684\u7ba1\u7406\u4e3b\u8981\u4f9d\u8cf4\u65bc\u5169\u500b\u6982\u5ff5\uff1a\u904e\u671f\u6642\u9593\u548c LRU\uff08Least Recently Used\uff09\u7b56\u7565\u3002<\/p>\n<h3 id=\"%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-aakgjipWTw\">\u904e\u671f\u6642\u9593<\/h3>\n<p>Redis \u5141\u8a31\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u7576\u6642\u9593\u5230\u9054\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SET mykey \"value\"\nEXPIRE mykey 60  # \u8a2d\u7f6e mykey \u5728 60 \u79d2\u5f8c\u904e\u671f\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cmykey \u5c07\u5728 60 \u79d2\u5f8c\u81ea\u52d5\u522a\u9664\u3002\u9019\u7a2e\u65b9\u5f0f\u9069\u5408\u65bc\u90a3\u4e9b\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u80fd\u5920\u6709\u6548\u91cb\u653e\u5167\u5b58\u3002<\/p>\n<h3 id=\"lru-%e7%ad%96%e7%95%a5-aakgjipWTw\">LRU \u7b56\u7565<\/h3>\n<p>\u7576 Redis \u7684\u5167\u5b58\u4f7f\u7528\u9054\u5230\u8a2d\u5b9a\u7684\u9650\u5236\u6642\uff0c\u6703\u6839\u64da LRU \u7b56\u7565\u81ea\u52d5\u6e05\u7406\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002\u9019\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e maxmemory \u53c3\u6578\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>CONFIG SET maxmemory 100mb  # \u8a2d\u7f6e\u6700\u5927\u5167\u5b58\u70ba 100MB\nCONFIG SET maxmemory-policy allkeys-lru  # \u8a2d\u7f6e LRU \u7b56\u7565\n<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u7576\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\uff0cRedis \u5c07\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u9375\uff0c\u4ee5\u91cb\u653e\u5167\u5b58\u7a7a\u9593\u3002<\/p>\n<h2 id=\"%e6%9c%89%e6%95%88%e7%ae%a1%e7%90%86%e5%bf%ab%e5%8f%96%e6%99%82%e9%96%93%e7%9a%84%e7%ad%96%e7%95%a5-aakgjipWTw\">\u6709\u6548\u7ba1\u7406\u5feb\u53d6\u6642\u9593\u7684\u7b56\u7565<\/h2>\n<p>\u9664\u4e86\u4f7f\u7528\u904e\u671f\u6642\u9593\u548c LRU \u7b56\u7565\u5916\uff0c\u9084\u6709\u5176\u4ed6\u4e00\u4e9b\u6709\u6548\u7684\u7ba1\u7406\u5feb\u53d6\u6642\u9593\u7684\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u6e05\u7406\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528\u5b9a\u6642\u4efb\u52d9\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u904e\u671f\u7684\u9375\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5167\u5b58\u7684\u6d6a\u8cbb\u3002<\/li>\n<li><strong>\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/strong>\u6839\u64da\u6578\u64da\u7684\u4f7f\u7528\u983b\u7387\u548c\u91cd\u8981\u6027\uff0c\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u4fdd\u7559\u3002<\/li>\n<li><strong>\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\uff1a<\/strong>\u5b9a\u671f\u76e3\u63a7 Redis \u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ca\u6642\u8abf\u6574 maxmemory \u548c\u6e05\u7406\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-aakgjipWTw\">\u7d50\u8ad6<\/h2>\n<p>\u6709\u6548\u7ba1\u7406 Redis \u5feb\u53d6\u7684\u6e05\u7406\u548c\u5feb\u53d6\u6642\u9593\u5c0d\u65bc\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u4f7f\u7528 LRU \u7b56\u7565\u4ee5\u53ca\u5b9a\u671f\u6e05\u7406\uff0c\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u5728\u9ad8\u6548\u904b\u884c\u7684\u540c\u6642\uff0c\u907f\u514d\u5167\u5b58\u7684\u6d6a\u8cbb\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u7684\u61c9\u7528\u7a0b\u5f0f\uff0c\u9078\u64c7\u5408\u9069\u7684\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\uff0c\u5982 <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6709\u6548\u7ba1\u7406Redis\u5feb\u53d6\u6e05\u7406\u8207\u5feb\u53d6\u6642\u9593\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u5373\u6642\u66f4\u65b0\uff0c\u512a\u5316\u8cc7\u6e90\u4f7f\u7528\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-116492","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/116492","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=116492"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/116492\/revisions"}],"predecessor-version":[{"id":116493,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/116492\/revisions\/116493"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=116492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=116492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=116492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}