{"id":129213,"date":"2024-10-26T19:55:19","date_gmt":"2024-10-26T11:55:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129213\/"},"modified":"2024-10-26T19:55:20","modified_gmt":"2024-10-26T11:55:20","slug":"redis%e9%87%8b%e6%94%be%e7%a9%ba%e9%96%93%e6%b8%85%e7%90%86%e4%b8%80%e9%a1%9e%e5%bf%ab%e5%8f%96%ef%bc%88redis%e6%b8%85%e9%99%a4%e4%b8%80%e9%a1%9e%e5%bf%ab%e5%8f%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129213\/","title":{"rendered":"Redis\u91cb\u653e\u7a7a\u9593\u6e05\u7406\u4e00\u985e\u5feb\u53d6\uff08redis\u6e05\u9664\u4e00\u985e\u5feb\u53d6\uff09"},"content":{"rendered":"<h1 id=\"redis%e9%87%8b%e6%94%be%e7%a9%ba%e9%96%93%e6%b8%85%e7%90%86%e4%b8%80%e9%a1%9e%e5%bf%ab%e5%8f%96%ef%bc%88redis%e6%b8%85%e9%99%a4%e4%b8%80%e9%a1%9e%e5%bf%ab%e5%8f%96%ef%bc%89-oqtOCQXukD\">Redis\u91cb\u653e\u7a7a\u9593\u6e05\u7406\u4e00\u985e\u5feb\u53d6\uff08redis\u6e05\u9664\u4e00\u985e\u5feb\u53d6\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u53d6\u6280\u8853\u5df2\u6210\u70ba\u63d0\u5347\u61c9\u7528\u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u7cfb\u7d71\u4e2d\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0cRedis\u4e2d\u7684\u5feb\u53d6\u6578\u64da\u53ef\u80fd\u6703\u4f54\u7528\u5927\u91cf\u5167\u5b58\uff0c\u5f71\u97ff\u7cfb\u7d71\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u5982\u4f55\u91cb\u653e\u7a7a\u9593\u548c\u6e05\u7406\u5feb\u53d6\u662f\u975e\u5e38\u91cd\u8981\u7684\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-oqtOCQXukD\">Redis\u5feb\u53d6\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9375\u503c\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\u67e5\u8a62\u7684\u5ef6\u9072\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\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%e5%bf%ab%e5%8f%96-oqtOCQXukD\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406Redis\u5feb\u53d6<\/h2>\n<p>\u96a8\u8457\u61c9\u7528\u7684\u904b\u884c\uff0cRedis\u4e2d\u7684\u5feb\u53d6\u6578\u64da\u6703\u4e0d\u65b7\u589e\u9577\u3002\u9019\u4e9b\u6578\u64da\u53ef\u80fd\u6703\u56e0\u70ba\u4ee5\u4e0b\u539f\u56e0\u800c\u8b8a\u5f97\u4e0d\u518d\u9700\u8981\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u904e\u671f\uff1a\u67d0\u4e9b\u5feb\u53d6\u6578\u64da\u5728\u4e00\u5b9a\u6642\u9593\u5f8c\u4e0d\u518d\u6709\u6548\u3002<\/li>\n<li>\u6578\u64da\u66f4\u65b0\uff1a\u7576\u6578\u64da\u6e90\u66f4\u65b0\u6642\uff0c\u820a\u7684\u5feb\u53d6\u6578\u64da\u53ef\u80fd\u9700\u8981\u88ab\u6e05\u9664\u3002<\/li>\n<li>\u5167\u5b58\u9650\u5236\uff1aRedis\u7684\u5167\u5b58\u4f7f\u7528\u91cf\u53ef\u80fd\u6703\u9054\u5230\u4e0a\u9650\uff0c\u9019\u6642\u9700\u8981\u91cb\u653e\u7a7a\u9593\u4ee5\u5b58\u5132\u65b0\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b8%85%e7%90%86redis%e5%bf%ab%e5%8f%96%e7%9a%84%e6%96%b9%e6%b3%95-oqtOCQXukD\">\u6e05\u7406Redis\u5feb\u53d6\u7684\u65b9\u6cd5<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u6e05\u7406\u5feb\u53d6\u6578\u64da\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-oqtOCQXukD\">1. \u4f7f\u7528EXPIRE\u547d\u4ee4<\/h3>\n<p>EXPIRE\u547d\u4ee4\u53ef\u4ee5\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u7576\u6642\u9593\u5230\u9054\u5f8c\uff0c\u8a72\u9375\u6703\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u662f\u4e00\u7a2e\u6709\u6548\u7684\u7ba1\u7406\u5feb\u53d6\u6578\u64da\u7684\u65b9\u6cd5\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%a8ttl%e5%91%bd%e4%bb%a4-oqtOCQXukD\">2. \u4f7f\u7528TTL\u547d\u4ee4<\/h3>\n<p>TTL\u547d\u4ee4\u53ef\u4ee5\u67e5\u8a62\u67d0\u500b\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u4e86\u89e3\u54ea\u4e9b\u6578\u64da\u5373\u5c07\u904e\u671f\u3002<\/p>\n<pre><code>TTL mykey  # \u67e5\u8a62mykey\u7684\u5269\u9918\u751f\u5b58\u6642\u9593<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8flushdb%e5%92%8cflushall%e5%91%bd%e4%bb%a4-oqtOCQXukD\">3. \u4f7f\u7528FLUSHDB\u548cFLUSHALL\u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u9700\u8981\u6e05\u7a7a\u6574\u500b\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528FLUSHDB\u547d\u4ee4\u3002\u82e5\u8981\u6e05\u7a7a\u6240\u6709\u6578\u64da\u5eab\uff0c\u5247\u4f7f\u7528FLUSHALL\u547d\u4ee4\u3002\u9019\u4e9b\u547d\u4ee4\u6703\u7acb\u5373\u522a\u9664\u6240\u6709\u6578\u64da\uff0c\u9700\u8b39\u614e\u4f7f\u7528\u3002<\/p>\n<pre><code>FLUSHDB  # \u6e05\u7a7a\u7576\u524d\u6578\u64da\u5eab<\/code><\/pre>\n<pre><code>FLUSHALL  # \u6e05\u7a7a\u6240\u6709\u6578\u64da\u5eab<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8lru%e7%ae%97%e6%b3%95-oqtOCQXukD\">4. \u4f7f\u7528LRU\u7b97\u6cd5<\/h3>\n<p>Redis\u652f\u6301LRU\uff08Least Recently Used\uff09\u7b97\u6cd5\u4f86\u81ea\u52d5\u6e05\u7406\u4e0d\u5e38\u7528\u7684\u5feb\u53d6\u6578\u64da\u3002\u7576\u5167\u5b58\u9054\u5230\u8a2d\u5b9a\u7684\u9650\u5236\u6642\uff0cRedis\u6703\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-oqtOCQXukD\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528Redis\u9032\u884c\u5feb\u53d6\u6642\uff0c\u9075\u5faa\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\u53ef\u4ee5\u5e6b\u52a9\u63d0\u9ad8\u6027\u80fd\u548c\u7ba1\u7406\u6548\u7387\uff1a<\/p>\n<ul>\n<li>\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a\u6839\u64da\u696d\u52d9\u9700\u6c42\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u5167\u5b58\u4f54\u7528\u3002<\/li>\n<li>\u5b9a\u671f\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\uff1a\u4f7f\u7528INFO\u547d\u4ee4\u5b9a\u671f\u6aa2\u67e5Redis\u7684\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ca\u6642\u8abf\u6574\u914d\u7f6e\u3002<\/li>\n<li>\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff1a\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff0c\u4ee5\u63d0\u9ad8\u5b58\u53d6\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-oqtOCQXukD\">\u7d50\u8ad6<\/h2>\n<p>\u6e05\u7406Redis\u5feb\u53d6\u662f\u78ba\u4fdd\u7cfb\u7d71\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528EXPIRE\u3001TTL\u3001FLUSHDB\u7b49\u547d\u4ee4\uff0c\u4ee5\u53ca\u9075\u5faa\u6700\u4f73\u5be6\u8e10\uff0c\u53ef\u4ee5\u6709\u6548\u7ba1\u7406Redis\u4e2d\u7684\u5feb\u53d6\u6578\u64da\uff0c\u91cb\u653e\u5167\u5b58\u7a7a\u9593\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u5c07\u5927\u5927\u63d0\u5347\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<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>\u4e86\u89e3\u5982\u4f55\u5728Redis\u4e2d\u91cb\u653e\u7a7a\u9593\uff0c\u6e05\u7406\u7279\u5b9a\u985e\u578b\u7684\u5feb\u53d6\uff0c\u63d0\u5347\u6027\u80fd\u8207\u8cc7\u6e90\u5229\u7528\u6548\u7387\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-129213","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129213","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=129213"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129213\/revisions"}],"predecessor-version":[{"id":129214,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129213\/revisions\/129214"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}