{"id":184814,"date":"2024-11-10T16:21:17","date_gmt":"2024-11-10T08:21:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184814\/"},"modified":"2024-11-10T16:21:18","modified_gmt":"2024-11-10T08:21:18","slug":"%e4%bd%bf%e7%94%a8redis%e6%b8%85%e7%90%86%e7%84%a1%e6%95%88key%e4%bb%a5%e6%8f%90%e5%8d%87%e7%b3%bb%e7%b5%b1%e6%80%a7%e8%83%bd%ef%bc%88redis%e6%b8%85key%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184814\/","title":{"rendered":"\u4f7f\u7528Redis\u6e05\u7406\u7121\u6548Key\u4ee5\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff08redis\u6e05key\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e6%b8%85%e7%90%86%e7%84%a1%e6%95%88key%e4%bb%a5%e6%8f%90%e5%8d%87%e7%b3%bb%e7%b5%b1%e6%80%a7%e8%83%bd%ef%bc%88redis%e6%b8%85key%ef%bc%89-eFUcnIiFhm\">\u4f7f\u7528Redis\u6e05\u7406\u7121\u6548Key\u4ee5\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff08redis\u6e05key\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u6027\u80fd\u512a\u5316\u6210\u70ba\u4e86\u6bcf\u500b\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u7684\u91cd\u8981\u4efb\u52d9\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u7136\u800c\uff0c\u96a8\u8457\u6642\u9593\u7684\u63a8\u79fb\uff0cRedis\u4e2d\u7684\u7121\u6548Key\u6703\u9010\u6f38\u589e\u591a\uff0c\u9019\u4e0d\u50c5\u6d6a\u8cbb\u4e86\u5b58\u5132\u7a7a\u9593\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u7406\u7121\u6548Key\u662f\u63d0\u5347Redis\u6027\u80fd\u7684\u95dc\u9375\u6b65\u9a5f\u4e4b\u4e00\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%e7%84%a1%e6%95%88key%ef%bc%9f-eFUcnIiFhm\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406\u7121\u6548Key\uff1f<\/h2>\n<p>\u7121\u6548Key\u901a\u5e38\u662f\u6307\u90a3\u4e9b\u4e0d\u518d\u88ab\u61c9\u7528\u7a0b\u5e8f\u4f7f\u7528\u7684\u6578\u64da\u3002\u9019\u4e9bKey\u53ef\u80fd\u662f\u7531\u65bc\u61c9\u7528\u7a0b\u5e8f\u908f\u8f2f\u7684\u8b8a\u66f4\u3001\u6578\u64da\u904e\u671f\u6216\u7528\u6236\u522a\u9664\u7b49\u539f\u56e0\u800c\u7522\u751f\u7684\u3002\u4ee5\u4e0b\u662f\u6e05\u7406\u7121\u6548Key\u7684\u5e7e\u500b\u4e3b\u8981\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\uff1a<\/strong>\u7121\u6548Key\u4f54\u7528Redis\u7684\u5167\u5b58\u8cc7\u6e90\uff0c\u6e05\u7406\u5f8c\u53ef\u4ee5\u91cb\u653e\u9019\u4e9b\u8cc7\u6e90\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff1a<\/strong>\u96a8\u8457Key\u7684\u589e\u591a\uff0c\u67e5\u8a62\u7684\u6548\u7387\u6703\u4e0b\u964d\u3002\u6e05\u7406\u7121\u6548Key\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/li>\n<li><strong>\u6e1b\u5c11\u904b\u7dad\u6210\u672c\uff1a<\/strong>\u7121\u6548Key\u7684\u5b58\u5728\u53ef\u80fd\u6703\u5c0e\u81f4\u7cfb\u7d71\u904b\u7dad\u7684\u8907\u96dc\u6027\u589e\u52a0\uff0c\u5b9a\u671f\u6e05\u7406\u53ef\u4ee5\u7c21\u5316\u7ba1\u7406\u6d41\u7a0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%b8%85%e7%90%86%e7%84%a1%e6%95%88key%ef%bc%9f-eFUcnIiFhm\">\u5982\u4f55\u6e05\u7406\u7121\u6548Key\uff1f<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u6e05\u7406\u7121\u6548Key\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-eFUcnIiFhm\">1. \u4f7f\u7528EXPIRE\u547d\u4ee4<\/h3>\n<p>Redis\u7684EXPIRE\u547d\u4ee4\u53ef\u4ee5\u8a2d\u7f6eKey\u7684\u904e\u671f\u6642\u9593\uff0c\u7576Key\u8d85\u904e\u9019\u500b\u6642\u9593\u5f8c\uff0c\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u662f\u4e00\u7a2e\u6709\u6548\u7684\u9632\u6b62\u7121\u6548Key\u7a4d\u7d2f\u7684\u65b9\u6cd5\u3002<\/p>\n<pre><code>EXPIRE mykey 3600  # \u8a2d\u7f6emykey\u57283600\u79d2\u5f8c\u904e\u671f<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8unlink%e5%91%bd%e4%bb%a4-eFUcnIiFhm\">2. \u4f7f\u7528UNLINK\u547d\u4ee4<\/h3>\n<p>UNLINK\u547d\u4ee4\u53ef\u4ee5\u975e\u963b\u585e\u5730\u522a\u9664Key\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u522a\u9664\u5927\u91cfKey\u7684\u60c5\u6cc1\u7279\u5225\u6709\u7528\u3002\u8207DEL\u547d\u4ee4\u4e0d\u540c\uff0cUNLINK\u4e0d\u6703\u963b\u585eRedis\u7684\u5176\u4ed6\u64cd\u4f5c\u3002<\/p>\n<pre><code>UNLINK mykey  # \u975e\u963b\u585e\u5730\u522a\u9664mykey<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8scan%e5%91%bd%e4%bb%a4-eFUcnIiFhm\">3. \u4f7f\u7528SCAN\u547d\u4ee4<\/h3>\n<p>\u7576\u9700\u8981\u6279\u91cf\u6e05\u7406\u7121\u6548Key\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528SCAN\u547d\u4ee4\u4f86\u904d\u6b77\u6240\u6709Key\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u4f7f\u7528KEYS\u547d\u4ee4\u5e36\u4f86\u7684\u6027\u80fd\u554f\u984c\uff0c\u56e0\u70baKEYS\u6703\u4e00\u6b21\u6027\u8fd4\u56de\u6240\u6709Key\uff0c\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<pre><code>\nSCAN 0 MATCH pattern:* COUNT 1000\n# \u904d\u6b77\u6240\u6709\u4ee5pattern:\u958b\u982d\u7684Key\uff0c\u6bcf\u6b21\u8fd4\u56de1000\u500b\n<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8redis%e7%9a%84%e6%8c%81%e4%b9%85%e5%8c%96%e5%8a%9f%e8%83%bd-eFUcnIiFhm\">4. \u4f7f\u7528Redis\u7684\u6301\u4e45\u5316\u529f\u80fd<\/h3>\n<p>\u5982\u679cRedis\u914d\u7f6e\u4e86\u6301\u4e45\u5316\u529f\u80fd\uff08\u5982RDB\u6216AOF\uff09\uff0c\u5728\u6e05\u7406\u7121\u6548Key\u5f8c\uff0c\u5efa\u8b70\u624b\u52d5\u89f8\u767c\u6301\u4e45\u5316\u64cd\u4f5c\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<pre><code>SAVE  # \u89f8\u767cRDB\u6301\u4e45\u5316\n<\/code><\/pre>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-eFUcnIiFhm\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u6e05\u7406\u7121\u6548Key\u7684\u904e\u7a0b\u4e2d\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u6aa2\u67e5\uff1a<\/strong>\u8a2d\u7f6e\u5b9a\u671f\u4efb\u52d9\u4f86\u6aa2\u67e5\u548c\u6e05\u7406\u7121\u6548Key\uff0c\u4fdd\u6301Redis\u7684\u5065\u5eb7\u72c0\u614b\u3002<\/li>\n<li><strong>\u76e3\u63a7\u6027\u80fd\uff1a<\/strong>\u4f7f\u7528Redis\u7684\u76e3\u63a7\u5de5\u5177\uff08\u5982Redis Monitor\uff09\u4f86\u89c0\u5bdf\u7cfb\u7d71\u6027\u80fd\uff0c\u53ca\u6642\u767c\u73fe\u554f\u984c\u3002<\/li>\n<li><strong>\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff1a<\/strong>\u6839\u64da\u696d\u52d9\u9700\u6c42\u5408\u7406\u8a2d\u7f6eKey\u7684\u904e\u671f\u6642\u9593\uff0c\u907f\u514d\u7121\u6548Key\u7684\u7a4d\u7d2f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-eFUcnIiFhm\">\u7d50\u8ad6<\/h2>\n<p>\u6e05\u7406\u7121\u6548Key\u662f\u63d0\u5347Redis\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u4f7f\u7528EXPIRE\u3001UNLINK\u548cSCAN\u7b49\u547d\u4ee4\uff0c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406Redis\u4e2d\u7684\u6578\u64da\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u9ad8\u6548\u904b\u884c\u3002\u5b9a\u671f\u7684\u7dad\u8b77\u548c\u76e3\u63a7\u5c07\u6709\u52a9\u65bc\u4fdd\u6301Redis\u7684\u6700\u4f73\u6027\u80fd\uff0c\u5f9e\u800c\u70ba\u7528\u6236\u63d0\u4f9b\u66f4\u597d\u7684\u670d\u52d9\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u60a8\u7684Redis\u6578\u64da\u5eab\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Redis\u6e05\u7406\u7121\u6548Key\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u9ad8\u6548\u904b\u884c\uff0c\u512a\u5316\u8cc7\u6e90\u5229\u7528\uff0c\u589e\u5f37\u61c9\u7528\u97ff\u61c9\u901f\u5ea6\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-184814","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184814","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=184814"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184814\/revisions"}],"predecessor-version":[{"id":184815,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184814\/revisions\/184815"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184814"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184814"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184814"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}