{"id":170643,"date":"2024-11-06T22:40:25","date_gmt":"2024-11-06T14:40:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/170643\/"},"modified":"2024-11-06T22:40:26","modified_gmt":"2024-11-06T14:40:26","slug":"%e5%8c%b9%e9%85%8d%e6%8e%a2%e7%b4%a2redis%e4%b8%ad%e6%a8%a1%e7%b3%8a%e6%9f%a5%e6%89%bekey%e7%9a%84%e5%8f%af%e8%83%bd%e6%80%a7%ef%bc%88redis%e6%9f%a5%e7%9c%8bkey%e6%a8%a1%e7%b3%8a%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/170643\/","title":{"rendered":"\u5339\u914d\u63a2\u7d22Redis\u4e2d\u6a21\u7cca\u67e5\u627ekey\u7684\u53ef\u80fd\u6027\uff08redis\u67e5\u770bkey\u6a21\u7cca\uff09"},"content":{"rendered":"

\u5339\u914d\u63a2\u7d22Redis\u4e2d\u6a21\u7cca\u67e5\u627ekey\u7684\u53ef\u80fd\u6027<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\u3002\u5176\u5feb\u901f\u7684\u6578\u64da\u5b58\u53d6\u80fd\u529b\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u3002\u7136\u800c\uff0c\u7576\u9700\u8981\u9032\u884c\u6a21\u7cca\u67e5\u627e\u6642\uff0cRedis\u7684\u539f\u751f\u529f\u80fd\u53ef\u80fd\u6703\u8b93\u4eba\u611f\u5230\u56f0\u60d1\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728Redis\u4e2d\u9032\u884c\u6a21\u7cca\u67e5\u627ekey\u7684\u53ef\u80fd\u6027\u53ca\u5176\u5be6\u73fe\u65b9\u6cd5\u3002<\/p>\n

Redis\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\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\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7684\u9996\u9078\u3002Redis\u7684\u6578\u64da\u5b58\u5132\u662f\u57fa\u65bc\u9375\u503c\u5c0d\u7684\uff0c\u9019\u610f\u5473\u8457\u6bcf\u500b\u6578\u64da\u9805\u90fd\u6709\u4e00\u500b\u552f\u4e00\u7684\u9375\u4f86\u9032\u884c\u5b58\u53d6\u3002<\/p>\n

\u6a21\u7cca\u67e5\u627e\u7684\u9700\u6c42<\/h2>\n

\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u6839\u64da\u90e8\u5206\u9375\u540d\u4f86\u67e5\u627e\u6240\u6709\u76f8\u95dc\u7684\u9375\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u8f38\u5165\u4e00\u500b\u95dc\u9375\u5b57\u6642\uff0c\u7cfb\u7d71\u9700\u8981\u8fd4\u56de\u6240\u6709\u5305\u542b\u8a72\u95dc\u9375\u5b57\u7684\u9375\u3002\u9019\u7a2e\u9700\u6c42\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u5e38\u898b\uff0c\u5982\u641c\u7d22\u5f15\u64ce\u3001\u6578\u64da\u5206\u6790\u7b49\u3002<\/p>\n

Redis\u4e2d\u7684\u6a21\u7cca\u67e5\u627e\u65b9\u6cd5<\/h2>\n

Redis\u672c\u8eab\u4e26\u4e0d\u76f4\u63a5\u652f\u6301\u6a21\u7cca\u67e5\u627e\uff0c\u4f46\u53ef\u4ee5\u901a\u904e\u4e00\u4e9b\u65b9\u6cd5\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u6a21\u7cca\u67e5\u627e\u65b9\u6cd5\uff1a<\/p>\n

1. \u4f7f\u7528SCAN\u547d\u4ee4<\/h3>\n

Redis\u63d0\u4f9b\u4e86SCAN\u547d\u4ee4\u4f86\u904d\u6b77\u6578\u64da\u5eab\u4e2d\u7684\u9375\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u6a21\u7cca\u67e5\u627e\u3002SCAN\u547d\u4ee4\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

SCAN cursor [MATCH pattern] [COUNT count]<\/code><\/pre>\n
\u5176\u4e2d\uff0ccursor<\/code>\u662f\u6e38\u6a19\uff0cMATCH<\/code>\u7528\u65bc\u6307\u5b9a\u5339\u914d\u6a21\u5f0f\uff0cCOUNT<\/code>\u5247\u662f\u6bcf\u6b21\u8fd4\u56de\u7684\u9375\u7684\u6578\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n
SCAN 0 MATCH user:* COUNT 100<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u5c07\u8fd4\u56de\u6240\u6709\u4ee5user:<\/code>\u958b\u982d\u7684\u9375\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cSCAN\u547d\u4ee4\u662f\u975e\u963b\u585e\u7684\uff0c\u9069\u5408\u5728\u751f\u7522\u74b0\u5883\u4e2d\u4f7f\u7528\u3002<\/p>\n
2. \u4f7f\u7528KEYS\u547d\u4ee4<\/h3>\n
\u96d6\u7136\u4e0d\u5efa\u8b70\u5728\u751f\u7522\u74b0\u5883\u4e2d\u4f7f\u7528\uff0c\u4f46KEYS\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u5feb\u901f\u67e5\u627e\u5339\u914d\u7684\u9375\u3002\u5176\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n
KEYS pattern<\/code><\/pre>\n
\u4f8b\u5982\uff1a<\/p>\n
KEYS user:*<\/code><\/pre>\n
\u9019\u5c07\u8fd4\u56de\u6240\u6709\u4ee5user:<\/code>\u958b\u982d\u7684\u9375\u3002\u7531\u65bcKEYS\u547d\u4ee4\u6703\u904d\u6b77\u6574\u500b\u6578\u64da\u5eab\uff0c\u56e0\u6b64\u5728\u6578\u64da\u91cf\u8f03\u5927\u6642\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002<\/p>\n
3. \u4f7f\u7528Redis\u7684\u6578\u64da\u7d50\u69cb<\/h3>\n
\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u4f7f\u7528Redis\u7684\u6578\u64da\u7d50\u69cb\uff0c\u5982\u96c6\u5408\u6216\u54c8\u5e0c\u8868\uff0c\u4f86\u5b58\u5132\u9375\u7684\u7d22\u5f15\u3002\u9019\u6a23\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u7d22\u5f15\u4f86\u5be6\u73fe\u6a21\u7cca\u67e5\u627e\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u5c07\u6240\u6709\u9375\u5b58\u5132\u5728\u4e00\u500b\u96c6\u5408\u4e2d\uff0c\u7136\u5f8c\u4f7f\u7528\u96c6\u5408\u7684\u64cd\u4f5c\u4f86\u67e5\u627e\u5339\u914d\u7684\u9375\u3002<\/p>\n
\u6027\u80fd\u8003\u91cf<\/h2>\n
\u5728\u9078\u64c7\u6a21\u7cca\u67e5\u627e\u7684\u65b9\u6cd5\u6642\uff0c\u6027\u80fd\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\u3002SCAN\u547d\u4ee4\u96d6\u7136\u6548\u7387\u8f03\u9ad8\uff0c\u4f46\u4ecd\u7136\u9700\u8981\u591a\u6b21\u8abf\u7528\u4f86\u7372\u53d6\u6240\u6709\u5339\u914d\u7684\u9375\u3002\u800cKEYS\u547d\u4ee4\u5728\u5c0f\u578b\u6578\u64da\u5eab\u4e2d\u53ef\u80fd\u662f\u53ef\u884c\u7684\uff0c\u4f46\u5728\u5927\u578b\u6578\u64da\u5eab\u4e2d\u5247\u53ef\u80fd\u5c0e\u81f4\u6027\u80fd\u74f6\u9838\u3002\u56e0\u6b64\uff0c\u6839\u64da\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u5728Redis\u4e2d\u9032\u884c\u6a21\u7cca\u67e5\u627ekey\u7684\u53ef\u80fd\u6027\u96d6\u7136\u6709\u9650\uff0c\u4f46\u901a\u904e\u4f7f\u7528SCAN\u547d\u4ee4\u3001KEYS\u547d\u4ee4\u6216\u81ea\u5b9a\u7fa9\u6578\u64da\u7d50\u69cb\uff0c\u958b\u767c\u8005\u4ecd\u7136\u53ef\u4ee5\u5be6\u73fe\u6240\u9700\u7684\u529f\u80fd\u3002\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u6eff\u8db3\u61c9\u7528\u9700\u6c42\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Redis\u4e2d\u6a21\u7cca\u67e5\u627ekey\u7684\u6280\u5de7\u4e0e\u65b9\u6cd5\uff0c\u63d0\u5347\u6570\u636e\u68c0\u7d22\u6548\u7387\uff0c\u8f7b\u677e\u7ba1\u7406\u548c\u67e5\u8be2Redis\u6570\u636e\u5e93\u4e2d\u7684\u952e\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-170643","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170643","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=170643"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170643\/revisions"}],"predecessor-version":[{"id":170644,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/170643\/revisions\/170644"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=170643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=170643"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=170643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}