{"id":194841,"date":"2024-11-13T10:01:21","date_gmt":"2024-11-13T02:01:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194841\/"},"modified":"2024-11-13T10:01:23","modified_gmt":"2024-11-13T02:01:23","slug":"%e7%94%a8redis%e6%b8%85%e7%90%86%e7%84%a1%e7%94%a8%e7%9a%84keys%ef%bc%88redis%e6%b8%85%e7%90%86keys%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194841\/","title":{"rendered":"\u7528Redis\u6e05\u7406\u7121\u7528\u7684Keys\uff08redis\u6e05\u7406keys\uff09"},"content":{"rendered":"<h1 id=\"%e7%94%a8redis%e6%b8%85%e7%90%86%e7%84%a1%e7%94%a8%e7%9a%84keys%ef%bc%88redis%e6%b8%85%e7%90%86keys%ef%bc%89-JxDOdJDjGM\">\u7528Redis\u6e05\u7406\u7121\u7528\u7684Keys\uff08redis\u6e05\u7406keys\uff09<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\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\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u6703\u7a4d\u7d2f\u5927\u91cf\u7684\u7121\u7528\u9375\uff08keys\uff09\uff0c\u9019\u4e0d\u50c5\u6703\u4f54\u7528\u5b58\u5132\u7a7a\u9593\uff0c\u9084\u53ef\u80fd\u5f71\u97ff\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5b9a\u671f\u6e05\u7406\u7121\u7528\u7684keys\u662f\u975e\u5e38\u91cd\u8981\u7684\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%e7%94%a8%e7%9a%84keys-JxDOdJDjGM\">\u70ba\u4ec0\u9ebc\u9700\u8981\u6e05\u7406\u7121\u7528\u7684Keys<\/h2>\n<p>\u7121\u7528\u7684keys\u6703\u5c0e\u81f4\u4ee5\u4e0b\u5e7e\u500b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u4e0b\u964d\uff1a<\/strong>\u7576Redis\u6578\u64da\u5eab\u4e2d\u5b58\u5728\u5927\u91cf\u7121\u7528\u7684keys\u6642\uff0c\u67e5\u8a62\u548c\u64cd\u4f5c\u7684\u6548\u7387\u6703\u964d\u4f4e\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528SCAN\u547d\u4ee4\u6642\uff0c\u53ef\u80fd\u6703\u5f71\u97ff\u5230\u6574\u9ad4\u7684\u97ff\u61c9\u6642\u9593\u3002<\/li>\n<li><strong>\u5167\u5b58\u6d6a\u8cbb\uff1a<\/strong>\u6bcf\u500bkey\u90fd\u6703\u4f54\u7528\u4e00\u5b9a\u7684\u5167\u5b58\uff0c\u7121\u7528\u7684keys\u6703\u5c0e\u81f4\u5167\u5b58\u7684\u6d6a\u8cbb\uff0c\u5f71\u97ff\u5230\u5176\u4ed6\u6709\u6548\u6578\u64da\u7684\u5b58\u5132\u3002<\/li>\n<li><strong>\u7ba1\u7406\u56f0\u96e3\uff1a<\/strong>\u96a8\u8457keys\u6578\u91cf\u7684\u589e\u52a0\uff0c\u7ba1\u7406\u548c\u7dad\u8b77\u8b8a\u5f97\u66f4\u52a0\u56f0\u96e3\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9032\u884c\u6578\u64da\u5099\u4efd\u548c\u6062\u5fa9\u6642\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%b8%85%e7%90%86%e7%84%a1%e7%94%a8%e7%9a%84keys-JxDOdJDjGM\">\u5982\u4f55\u6e05\u7406\u7121\u7528\u7684Keys<\/h2>\n<p>\u6e05\u7406\u7121\u7528\u7684keys\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u9032\u884c\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-JxDOdJDjGM\">1. \u4f7f\u7528EXPIRE\u547d\u4ee4<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86EXPIRE\u547d\u4ee4\uff0c\u53ef\u4ee5\u70ba\u6bcf\u500bkey\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u7576key\u8d85\u904e\u9019\u500b\u6642\u9593\u5f8c\uff0cRedis\u6703\u81ea\u52d5\u522a\u9664\u8a72key\u3002\u9019\u662f\u4e00\u7a2e\u6709\u6548\u7684\u7ba1\u7406\u7121\u7528keys\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-JxDOdJDjGM\">2. \u4f7f\u7528UNLINK\u547d\u4ee4<\/h3>\n<p>UNLINK\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u975e\u963b\u585e\u5730\u522a\u9664keys\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u522a\u9664\u5927\u91cfkeys\u7684\u60c5\u6cc1\u7279\u5225\u6709\u7528\u3002\u8207DEL\u547d\u4ee4\u4e0d\u540c\uff0cUNLINK\u4e0d\u6703\u7acb\u5373\u91cb\u653e\u5167\u5b58\uff0c\u800c\u662f\u5c07\u522a\u9664\u64cd\u4f5c\u653e\u5165\u80cc\u666f\u9032\u884c\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u5c0d\u4e3b\u7dda\u7a0b\u7684\u5f71\u97ff\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-JxDOdJDjGM\">3. \u4f7f\u7528SCAN\u547d\u4ee4<\/h3>\n<p>\u7576\u9700\u8981\u67e5\u627e\u548c\u522a\u9664\u7279\u5b9a\u6a21\u5f0f\u7684keys\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528SCAN\u547d\u4ee4\u3002SCAN\u547d\u4ee4\u53ef\u4ee5\u904d\u6b77\u6240\u6709\u7684keys\uff0c\u800c\u4e0d\u6703\u4e00\u6b21\u6027\u8fd4\u56de\u6240\u6709\u7d50\u679c\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u963b\u585eRedis\u670d\u52d9\u5668\u3002<\/p>\n<pre><code>\nSCAN 0 MATCH myprefix:* COUNT 100  # \u67e5\u627e\u4ee5myprefix:\u958b\u982d\u7684keys\n<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8redis%e7%9a%84%e9%8d%b5%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5-JxDOdJDjGM\">4. \u4f7f\u7528Redis\u7684\u9375\u904e\u671f\u7b56\u7565<\/h3>\n<p>Redis\u652f\u6301\u591a\u7a2e\u9375\u904e\u671f\u7b56\u7565\uff0c\u5305\u62ec\u5b9a\u671f\u522a\u9664\u548c\u60f0\u6027\u522a\u9664\u3002\u5b9a\u671f\u522a\u9664\u6703\u5728\u4e00\u5b9a\u7684\u6642\u9593\u9593\u9694\u5167\u96a8\u6a5f\u6aa2\u67e5\u4e26\u522a\u9664\u904e\u671f\u7684keys\uff0c\u800c\u60f0\u6027\u522a\u9664\u5247\u662f\u5728\u8a2a\u554f\u67d0\u500bkey\u6642\u6aa2\u67e5\u5176\u662f\u5426\u904e\u671f\u3002\u6839\u64da\u61c9\u7528\u5834\u666f\u7684\u4e0d\u540c\uff0c\u53ef\u4ee5\u9078\u64c7\u5408\u9069\u7684\u7b56\u7565\u4f86\u7ba1\u7406\u7121\u7528\u7684keys\u3002<\/p>\n<h2 id=\"%e6%9c%80%e4%bd%b3%e5%af%a6%e8%b8%90-JxDOdJDjGM\">\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u6e05\u7406\u7121\u7528keys\u7684\u904e\u7a0b\u4e2d\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u6e05\u7406\u7121\u7528\u7684keys\uff0c\u907f\u514d\u6578\u64da\u5eab\u4e2d\u7a4d\u7d2f\u904e\u591a\u7684\u7121\u7528\u6578\u64da\u3002<\/li>\n<li>\u5408\u7406\u8a2d\u7f6ekey\u7684\u904e\u671f\u6642\u9593\uff0c\u6839\u64da\u696d\u52d9\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u904e\u671f\u7b56\u7565\u3002<\/li>\n<li>\u4f7f\u7528Redis\u7684\u76e3\u63a7\u5de5\u5177\uff0c\u5b9a\u671f\u76e3\u63a7\u5167\u5b58\u4f7f\u7528\u60c5\u6cc1\uff0c\u53ca\u6642\u767c\u73fe\u548c\u8655\u7406\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JxDOdJDjGM\">\u7e3d\u7d50<\/h2>\n<p>\u6e05\u7406\u7121\u7528\u7684keys\u662f\u7dad\u8b77Redis\u6578\u64da\u5eab\u6027\u80fd\u7684\u91cd\u8981\u6b65\u9a5f\u3002\u901a\u904e\u4f7f\u7528EXPIRE\u3001UNLINK\u3001SCAN\u7b49\u547d\u4ee4\uff0c\u4ee5\u53ca\u5408\u7406\u7684\u9375\u904e\u671f\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u6e05\u7406\u7121\u7528\u7684keys\uff0c\u5f9e\u800c\u63d0\u5347\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684Redis\u670d\u52d9\uff0c\u8acb\u8003\u616e\u6211\u5011\u7684\u670d\u52d9\uff0c\u8b93\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\u904b\u884c\u5f97\u66f4\u52a0\u9806\u66a2\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528Redis\u6709\u6548\u6e05\u7406\u7121\u7528\u7684Keys\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u512a\u5316\u5b58\u5132\u7a7a\u9593\uff0c\u4fdd\u6301\u7cfb\u7d71\u904b\u884c\u6d41\u66a2\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-194841","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194841","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=194841"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194841\/revisions"}],"predecessor-version":[{"id":194842,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/194841\/revisions\/194842"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=194841"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=194841"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=194841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}