{"id":124983,"date":"2024-10-25T18:49:16","date_gmt":"2024-10-25T10:49:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/124983\/"},"modified":"2024-10-25T18:49:17","modified_gmt":"2024-10-25T10:49:17","slug":"redis-%e7%b0%a1%e5%96%ae%e6%b8%85%e7%90%86%e5%bf%ab%e5%8f%96%ef%bc%8c%e8%8f%9c%e9%b3%a5%e4%b9%9f%e5%8f%af%e4%bb%a5%e5%81%9a%e5%88%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/124983\/","title":{"rendered":"Redis \u7c21\u55ae\u6e05\u7406\u5feb\u53d6\uff0c\u83dc\u9ce5\u4e5f\u53ef\u4ee5\u505a\u5230"},"content":{"rendered":"<h1 id=\"redis-%e7%b0%a1%e5%96%ae%e6%b8%85%e7%90%86%e5%bf%ab%e5%8f%96%ef%bc%8c%e8%8f%9c%e9%b3%a5%e4%b9%9f%e5%8f%af%e4%bb%a5%e5%81%9a%e5%88%b0-yJHOERlvNE\">Redis \u7c21\u55ae\u6e05\u7406\u5feb\u53d6\uff0c\u83dc\u9ce5\u4e5f\u53ef\u4ee5\u505a\u5230<\/h1>\n<p>\u5728\u73fe\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\u500b\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\u6642\u9593\u7684\u63a8\u79fb\uff0c\u5feb\u53d6\u4e2d\u7684\u8cc7\u6599\u53ef\u80fd\u6703\u8b8a\u5f97\u904e\u6642\u6216\u4e0d\u518d\u9700\u8981\uff0c\u56e0\u6b64\u5b9a\u671f\u6e05\u7406\u5feb\u53d6\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u7c21\u55ae\u5730\u6e05\u7406 Redis \u5feb\u53d6\uff0c\u8b93\u5373\u4f7f\u662f\u83dc\u9ce5\u4e5f\u80fd\u8f15\u9b06\u4e0a\u624b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-yJHOERlvNE\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u8cc7\u6599\u5eab\uff0c\u652f\u63f4\u591a\u7a2e\u8cc7\u6599\u7d50\u69cb\uff0c\u5982\u5b57\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u5feb\u901f\u7684\u8b80\u5beb\u901f\u5ea6\u548c\u9748\u6d3b\u7684\u8cc7\u6599\u7d50\u69cb\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u3001\u6d88\u606f\u968a\u5217\u548c\u5373\u6642\u5206\u6790\u7b49\u5834\u666f\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%86%e5%bf%ab%e5%8f%96%ef%bc%9f-yJHOERlvNE\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406\u5feb\u53d6\uff1f<\/h2>\n<p>\u5feb\u53d6\u7684\u4e3b\u8981\u76ee\u7684\u662f\u63d0\u9ad8\u8cc7\u6599\u5b58\u53d6\u7684\u901f\u5ea6\uff0c\u4f46\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0c\u5feb\u53d6\u4e2d\u7684\u8cc7\u6599\u53ef\u80fd\u6703\u8b8a\u5f97\u904e\u6642\u6216\u4e0d\u518d\u9700\u8981\u3002\u9019\u4e0d\u50c5\u6703\u4f54\u7528\u7cfb\u7d71\u8cc7\u6e90\uff0c\u9084\u53ef\u80fd\u5c0e\u81f4\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u7406\u5feb\u53d6\u662f\u4fdd\u6301\u7cfb\u7d71\u9ad8\u6548\u904b\u884c\u7684\u95dc\u9375\u3002<\/p>\n<h2 id=\"redis-%e5%bf%ab%e5%8f%96%e6%b8%85%e7%90%86%e7%9a%84%e6%96%b9%e6%b3%95-yJHOERlvNE\">Redis \u5feb\u53d6\u6e05\u7406\u7684\u65b9\u6cd5<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u6709\u5e7e\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u6e05\u7406\u5feb\u53d6\uff0c\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8-expire-%e5%91%bd%e4%bb%a4-yJHOERlvNE\">1. \u4f7f\u7528 EXPIRE \u547d\u4ee4<\/h3>\n<p>EXPIRE \u547d\u4ee4\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u7576\u6642\u9593\u5230\u9054\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u662f\u4e00\u7a2e\u975e\u5e38\u6709\u6548\u7684\u7ba1\u7406\u5feb\u53d6\u7684\u65b9\u6cd5\u3002<\/p>\n<pre><code>EXPIRE mykey 60  # \u8a2d\u7f6e mykey \u5728 60 \u79d2\u5f8c\u904e\u671f<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8-ttl-%e5%91%bd%e4%bb%a4-yJHOERlvNE\">2. \u4f7f\u7528 TTL \u547d\u4ee4<\/h3>\n<p>TTL\uff08Time To Live\uff09\u547d\u4ee4\u53ef\u4ee5\u67e5\u8a62\u4e00\u500b\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\u3002\u9019\u5c0d\u65bc\u76e3\u63a7\u5feb\u53d6\u7684\u6709\u6548\u6027\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n<pre><code>TTL mykey  # \u67e5\u8a62 mykey \u7684\u5269\u9918\u751f\u5b58\u6642\u9593<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8-flushdb-%e5%92%8c-flushall-%e5%91%bd%e4%bb%a4-yJHOERlvNE\">3. \u4f7f\u7528 FLUSHDB \u548c FLUSHALL \u547d\u4ee4<\/h3>\n<p>\u5982\u679c\u9700\u8981\u6e05\u7a7a\u6574\u500b\u8cc7\u6599\u5eab\uff0c\u53ef\u4ee5\u4f7f\u7528 FLUSHDB \u547d\u4ee4\u4f86\u522a\u9664\u7576\u524d\u8cc7\u6599\u5eab\u4e2d\u7684\u6240\u6709\u9375\uff0c\u6216\u8005\u4f7f\u7528 FLUSHALL \u547d\u4ee4\u4f86\u522a\u9664\u6240\u6709\u8cc7\u6599\u5eab\u4e2d\u7684\u6240\u6709\u9375\u3002<\/p>\n<pre><code>FLUSHDB  # \u6e05\u7a7a\u7576\u524d\u8cc7\u6599\u5eab<\/code><\/pre>\n<pre><code>FLUSHALL  # \u6e05\u7a7a\u6240\u6709\u8cc7\u6599\u5eab<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8-lru-%e9%a9%85%e9%80%90%e7%ad%96%e7%95%a5-yJHOERlvNE\">4. \u4f7f\u7528 LRU \u9a45\u9010\u7b56\u7565<\/h3>\n<p>Redis \u652f\u63f4\u591a\u7a2e\u9a45\u9010\u7b56\u7565\uff0c\u5176\u4e2d LRU\uff08Least Recently Used\uff09\u7b56\u7565\u53ef\u4ee5\u81ea\u52d5\u522a\u9664\u6700\u5c11\u4f7f\u7528\u7684\u9375\u3002\u9019\u5c0d\u65bc\u52d5\u614b\u7ba1\u7406\u5feb\u53d6\u975e\u5e38\u6709\u6548\u3002<\/p>\n<pre><code>CONFIG SET maxmemory-policy allkeys-lru  # \u8a2d\u7f6e LRU \u9a45\u9010\u7b56\u7565<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-yJHOERlvNE\">\u7d50\u8ad6<\/h2>\n<p>\u6e05\u7406 Redis \u5feb\u53d6\u662f\u4e00\u500b\u7c21\u55ae\u4f46\u91cd\u8981\u7684\u904e\u7a0b\uff0c\u901a\u904e\u4f7f\u7528 EXPIRE\u3001TTL\u3001FLUSHDB\u3001FLUSHALL \u548c LRU \u9a45\u9010\u7b56\u7565\u7b49\u547d\u4ee4\uff0c\u5373\u4f7f\u662f\u521d\u5b78\u8005\u4e5f\u80fd\u8f15\u9b06\u7ba1\u7406\u5feb\u53d6\u3002\u4fdd\u6301\u5feb\u53d6\u7684\u6709\u6548\u6027\u4e0d\u50c5\u80fd\u63d0\u5347\u61c9\u7528\u7a0b\u5f0f\u7684\u6027\u80fd\uff0c\u9084\u80fd\u6709\u6548\u5229\u7528\u7cfb\u7d71\u8cc7\u6e90\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u6709\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u60a8\u7684\u4f3a\u670d\u5668\u548c\u5feb\u53d6\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u7c21\u55ae\u6e05\u7406 Redis \u5feb\u53d6\uff0c\u8b93\u83dc\u9ce5\u4e5f\u80fd\u8f15\u9b06\u638c\u63e1\u5feb\u53d6\u7ba1\u7406\u6280\u5de7\uff0c\u63d0\u5347\u61c9\u7528\u6548\u80fd\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-124983","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124983","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=124983"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124983\/revisions"}],"predecessor-version":[{"id":124984,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124983\/revisions\/124984"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=124983"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=124983"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=124983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}