{"id":171973,"date":"2024-11-07T09:13:18","date_gmt":"2024-11-07T01:13:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171973\/"},"modified":"2024-11-07T09:13:19","modified_gmt":"2024-11-07T01:13:19","slug":"%e6%b8%85%e9%99%a4redis%e7%b7%a9%e5%ad%98%e6%9c%80%e7%b0%a1%e5%96%ae%e6%b8%85%e9%99%a4%e6%96%b9%e6%b3%95%ef%bc%88%e5%a6%82%e4%bd%95%e6%b8%85%e9%99%a4redis%e7%b7%a9%e5%ad%98%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171973\/","title":{"rendered":"\u6e05\u9664Redis\u7de9\u5b58\u6700\u7c21\u55ae\u6e05\u9664\u65b9\u6cd5\uff08\u5982\u4f55\u6e05\u9664redis\u7de9\u5b58\uff09"},"content":{"rendered":"<h1 id=\"%e6%b8%85%e9%99%a4redis%e7%b7%a9%e5%ad%98%e6%9c%80%e7%b0%a1%e5%96%ae%e6%b8%85%e9%99%a4%e6%96%b9%e6%b3%95%ef%bc%88%e5%a6%82%e4%bd%95%e6%b8%85%e9%99%a4redis%e7%b7%a9%e5%ad%98%ef%bc%89-YPzSIgRIfx\">\u6e05\u9664Redis\u7de9\u5b58\u6700\u7c21\u55ae\u6e05\u9664\u65b9\u6cd5\uff08\u5982\u4f55\u6e05\u9664redis\u7de9\u5b58\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u904b\u884c\uff0cRedis\u4e2d\u7684\u7de9\u5b58\u6578\u64da\u53ef\u80fd\u6703\u8b8a\u5f97\u904e\u6642\u6216\u4e0d\u518d\u9700\u8981\uff0c\u56e0\u6b64\u5b9a\u671f\u6e05\u9664\u7de9\u5b58\u662f\u4fdd\u6301\u7cfb\u7d71\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u7c21\u55ae\u6709\u6548\u7684\u6e05\u9664Redis\u7de9\u5b58\u7684\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8redis%e5%91%bd%e4%bb%a4%e8%a1%8c%e5%b7%a5%e5%85%b7-YPzSIgRIfx\">1. \u4f7f\u7528Redis\u547d\u4ee4\u884c\u5de5\u5177<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u547d\u4ee4\u4f86\u6e05\u9664\u7de9\u5b58\uff0c\u6700\u5e38\u7528\u7684\u547d\u4ee4\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>FLUSHDB<\/code>\uff1a\u6e05\u9664\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u9375\u3002<\/li>\n<li><code>FLUSHALL<\/code>\uff1a\u6e05\u9664\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u9375\u3002<\/li>\n<li><code>DEL<\/code>\uff1a\u522a\u9664\u6307\u5b9a\u7684\u9375\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u8981\u6e05\u9664\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u7de9\u5b58\uff0c\u53ef\u4ee5\u5728Redis\u547d\u4ee4\u884c\u4e2d\u8f38\u5165\uff1a<\/p>\n<pre><code>FLUSHDB<\/code><\/pre>\n<p>\u5982\u679c\u60a8\u9700\u8981\u6e05\u9664\u6240\u6709\u6578\u64da\u5eab\u4e2d\u7684\u7de9\u5b58\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n<pre><code>FLUSHALL<\/code><\/pre>\n<h2 id=\"2-%e4%bd%bf%e7%94%a8%e9%8d%b5%e6%a8%a1%e5%bc%8f%e5%88%aa%e9%99%a4-YPzSIgRIfx\">2. \u4f7f\u7528\u9375\u6a21\u5f0f\u522a\u9664<\/h2>\n<p>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u60a8\u53ef\u80fd\u53ea\u60f3\u522a\u9664\u7b26\u5408\u7279\u5b9a\u6a21\u5f0f\u7684\u9375\u3002\u9019\u53ef\u4ee5\u901a\u904e\u7d50\u5408\u4f7f\u7528<code>KEYS<\/code>\u548c<code>DEL<\/code>\u547d\u4ee4\u4f86\u5be6\u73fe\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u522a\u9664\u6240\u6709\u4ee5\u201csession:\u201d\u958b\u982d\u7684\u9375\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>redis-cli --scan --pattern \"session:*\" | xargs redis-cli del<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u9996\u5148\u4f7f\u7528<code>--scan<\/code>\u9078\u9805\u67e5\u627e\u6240\u6709\u7b26\u5408\u6a21\u5f0f\u7684\u9375\uff0c\u7136\u5f8c\u901a\u904e\u7ba1\u9053\u5c07\u7d50\u679c\u50b3\u905e\u7d66<code>DEL<\/code>\u547d\u4ee4\u9032\u884c\u522a\u9664\u3002<\/p>\n<h2 id=\"3-%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-YPzSIgRIfx\">3. \u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h2>\n<p>\u70ba\u4e86\u907f\u514d\u624b\u52d5\u6e05\u9664\u7de9\u5b58\uff0c\u60a8\u53ef\u4ee5\u5728\u8a2d\u7f6e\u9375\u6642\u6307\u5b9a\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\uff0c\u7576\u9375\u7684\u751f\u547d\u9031\u671f\u7d50\u675f\u5f8c\uff0cRedis\u6703\u81ea\u52d5\u522a\u9664\u8a72\u9375\u3002\u4f7f\u7528<code>SET<\/code>\u547d\u4ee4\u6642\uff0c\u53ef\u4ee5\u901a\u904e<code>EX<\/code>\u9078\u9805\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\uff1a<\/p>\n<pre><code>SET mykey \"value\" EX 60<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c07\u572860\u79d2\u5f8c\u81ea\u52d5\u522a\u9664\u9375\u201cmykey\u201d\u3002\u9019\u7a2e\u65b9\u6cd5\u7279\u5225\u9069\u5408\u65bc\u81e8\u6642\u6578\u64da\u7684\u7de9\u5b58\u3002<\/p>\n<h2 id=\"4-%e4%bd%bf%e7%94%a8redis%e7%9a%84%e8%87%aa%e5%8b%95%e9%81%8e%e6%9c%9f%e5%8a%9f%e8%83%bd-YPzSIgRIfx\">4. \u4f7f\u7528Redis\u7684\u81ea\u52d5\u904e\u671f\u529f\u80fd<\/h2>\n<p>Redis\u9084\u652f\u6301\u81ea\u52d5\u904e\u671f\u529f\u80fd\uff0c\u9019\u610f\u5473\u8457\u60a8\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u7576\u6642\u9593\u5230\u9054\u6642\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u53ef\u4ee5\u901a\u904e<code>EXPIRE<\/code>\u547d\u4ee4\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>EXPIRE mykey 120<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u201cmykey\u201d\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u70ba120\u79d2\u3002\u904e\u671f\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\uff0c\u7121\u9700\u624b\u52d5\u5e72\u9810\u3002<\/p>\n<h2 id=\"5-%e4%bd%bf%e7%94%a8redis%e7%9a%84lru%e9%a9%85%e9%80%90%e7%ad%96%e7%95%a5-YPzSIgRIfx\">5. \u4f7f\u7528Redis\u7684LRU\u9a45\u9010\u7b56\u7565<\/h2>\n<p>\u5982\u679c\u60a8\u7684Redis\u5be6\u4f8b\u914d\u7f6e\u4e86\u6700\u5927\u5167\u5b58\u9650\u5236\uff0c\u7576\u5167\u5b58\u4f7f\u7528\u9054\u5230\u4e0a\u9650\u6642\uff0cRedis\u6703\u6839\u64da\u914d\u7f6e\u7684\u9a45\u9010\u7b56\u7565\u81ea\u52d5\u522a\u9664\u4e0d\u5e38\u7528\u7684\u9375\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u8a2d\u7f6e<code>maxmemory-policy<\/code>\u4f86\u9078\u64c7\u4e0d\u540c\u7684\u9a45\u9010\u7b56\u7565\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><code>volatile-lru<\/code>\uff1a\u50c5\u9a45\u9010\u8a2d\u7f6e\u4e86\u904e\u671f\u6642\u9593\u7684\u9375\u3002<\/li>\n<li><code>allkeys-lru<\/code>\uff1a\u9a45\u9010\u6240\u6709\u9375\u3002<\/li>\n<\/ul>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fddRedis\u5728\u5167\u5b58\u4e0d\u8db3\u6642\u81ea\u52d5\u6e05\u9664\u4e0d\u5fc5\u8981\u7684\u7de9\u5b58\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-YPzSIgRIfx\">\u7e3d\u7d50<\/h2>\n<p>\u6e05\u9664Redis\u7de9\u5b58\u662f\u4fdd\u6301\u7cfb\u7d71\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\uff0c\u7121\u8ad6\u662f\u901a\u904e\u547d\u4ee4\u884c\u5de5\u5177\u3001\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9084\u662f\u4f7f\u7528\u81ea\u52d5\u904e\u671f\u529f\u80fd\uff0c\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u90fd\u80fd\u6709\u6548\u7ba1\u7406\u7de9\u5b58\u6578\u64da\u3002\u4e86\u89e3\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u5f8c\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u9748\u6d3b\u61c9\u7528\uff0c\u78ba\u4fddRedis\u7684\u9ad8\u6548\u904b\u884c\u3002\u5982\u679c\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Redis\u5be6\u4f8b\uff0c\u4eab\u53d7\u66f4\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u66f4\u5feb\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528\u6700\u7c21\u55ae\u7684\u65b9\u6cd5\u6e05\u9664Redis\u7de9\u5b58\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u7684\u5373\u6642\u6027\u8207\u6e96\u78ba\u6027\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-171973","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171973","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=171973"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171973\/revisions"}],"predecessor-version":[{"id":171974,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171973\/revisions\/171974"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171973"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171973"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171973"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}