{"id":129007,"date":"2024-10-26T18:24:21","date_gmt":"2024-10-26T10:24:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/129007\/"},"modified":"2024-10-26T18:24:22","modified_gmt":"2024-10-26T10:24:22","slug":"redis%e5%af%a6%e7%8f%be%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%e7%9a%84%e7%b0%a1%e6%98%93%e6%96%b9%e5%bc%8f%ef%bc%88redis%e9%81%a0%e7%a8%8b%e6%89%b9%e9%87%8f%e5%88%aa%e9%99%a4%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/129007\/","title":{"rendered":"Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u7c21\u6613\u65b9\u5f0f\uff08redis\u9060\u7a0b\u6279\u91cf\u522a\u9664\uff09"},"content":{"rendered":"

Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u7c21\u6613\u65b9\u5f0f<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002\u7121\u8ad6\u662f\u7de9\u5b58\u6578\u64da\u9084\u662f\u5be6\u73fe\u6d88\u606f\u968a\u5217\uff0cRedis\u90fd\u80fd\u63d0\u4f9b\u5353\u8d8a\u7684\u6027\u80fd\u3002\u7136\u800c\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u6210\u70ba\u4e86\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u7c21\u6613\u65b9\u5f0f\u3002<\/p>\n

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

Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\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\u6548\u6027\u4e3b\u8981\u4f86\u81ea\u65bc\u5176\u5167\u5b58\u5b58\u5132\u7684\u7279\u6027\uff0c\u4e26\u4e14\u652f\u6301\u6301\u4e45\u5316\u529f\u80fd\uff0c\u80fd\u5920\u5c07\u6578\u64da\u4fdd\u5b58\u5728\u78c1\u789f\u4e0a\u3002Redis\u7684\u64cd\u4f5c\u975e\u5e38\u9748\u6d3b\uff0c\u7279\u5225\u662f\u5728\u6578\u64da\u7684\u589e\u522a\u6539\u67e5\u65b9\u9762\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9700\u8981\u6279\u91cf\u522a\u9664<\/h2>\n

\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u61c9\u7528\u7a0b\u5e8f\u53ef\u80fd\u9700\u8981\u522a\u9664\u5927\u91cf\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u7684\u6578\u64da\u904e\u671f\u6216\u4e0d\u518d\u9700\u8981\u6642\uff0c\u9032\u884c\u6279\u91cf\u522a\u9664\u53ef\u4ee5\u6709\u6548\u91cb\u653e\u5167\u5b58\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u3002\u6b64\u5916\uff0c\u6279\u91cf\u522a\u9664\u9084\u80fd\u6e1b\u5c11\u64cd\u4f5c\u7684\u983b\u7387\uff0c\u5f9e\u800c\u964d\u4f4e\u5c0dRedis\u670d\u52d9\u5668\u7684\u58d3\u529b\u3002<\/p>\n

Redis\u7684\u522a\u9664\u547d\u4ee4<\/h2>\n

\u5728Redis\u4e2d\uff0c\u522a\u9664\u9375\u7684\u4e3b\u8981\u547d\u4ee4\u662f DEL<\/code>\u3002\u9019\u500b\u547d\u4ee4\u53ef\u4ee5\u7528\u4f86\u522a\u9664\u4e00\u500b\u6216\u591a\u500b\u9375\u3002\u4f8b\u5982\uff1a<\/p>\n

DEL key1 key2 key3<\/code><\/pre>\n
\u7136\u800c\uff0c\u7576\u9700\u8981\u522a\u9664\u5927\u91cf\u9375\u6642\uff0c\u4f7f\u7528 DEL<\/code> \u547d\u4ee4\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u554f\u984c\u3002\u9019\u6642\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 UNLINK<\/code> \u547d\u4ee4\uff0c\u9019\u500b\u547d\u4ee4\u6703\u5728\u80cc\u666f\u4e2d\u7570\u6b65\u522a\u9664\u9375\uff0c\u5f9e\u800c\u4e0d\u6703\u963b\u585e\u4e3b\u7dda\u7a0b\u3002<\/p>\n
\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u6b65\u9a5f<\/h2>\n
\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u7c21\u6613\u6b65\u9a5f\uff1a<\/p>\n
1. \u9023\u63a5\u5230Redis\u670d\u52d9\u5668<\/h3>\n
\u9996\u5148\uff0c\u9700\u8981\u9023\u63a5\u5230Redis\u670d\u52d9\u5668\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u5ba2\u6236\u7aef\u5de5\u5177\uff0c\u5982 redis-cli<\/code>\uff0c\u6216\u8005\u4f7f\u7528\u7de8\u7a0b\u8a9e\u8a00\u7684Redis\u5eab\u3002<\/p>\n
redis-cli -h  -p <\/code><\/pre>\n
2. \u7372\u53d6\u9700\u8981\u522a\u9664\u7684\u9375<\/h3>\n
\u53ef\u4ee5\u4f7f\u7528 SCAN<\/code> \u547d\u4ee4\u4f86\u7372\u53d6\u9700\u8981\u522a\u9664\u7684\u9375\u3002\u9019\u500b\u547d\u4ee4\u4e0d\u6703\u963b\u585eRedis\uff0c\u9069\u5408\u7528\u65bc\u5927\u6578\u64da\u91cf\u7684\u60c5\u6cc1\u3002<\/p>\n
SCAN 0 MATCH pattern COUNT 100<\/code><\/pre>\n
\u9019\u88e1\u7684 pattern<\/code> \u662f\u7528\u4f86\u5339\u914d\u9375\u7684\u6a21\u5f0f\uff0cCOUNT<\/code> \u662f\u6bcf\u6b21\u8fd4\u56de\u7684\u9375\u7684\u6578\u91cf\u3002<\/p>\n
3. \u6279\u91cf\u522a\u9664\u9375<\/h3>\n
\u7372\u53d6\u5230\u9700\u8981\u522a\u9664\u7684\u9375\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528 UNLINK<\/code> \u547d\u4ee4\u9032\u884c\u6279\u91cf\u522a\u9664\u3002\u53ef\u4ee5\u5c07\u7372\u53d6\u5230\u7684\u9375\u7d44\u5408\u6210\u4e00\u500b\u5217\u8868\uff0c\u7136\u5f8c\u4e00\u6b21\u6027\u522a\u9664\u3002<\/p>\n
UNLINK key1 key2 key3<\/code><\/pre>\n
4. \u81ea\u52d5\u5316\u8173\u672c<\/h3>\n
\u70ba\u4e86\u63d0\u9ad8\u6548\u7387\uff0c\u53ef\u4ee5\u5c07\u4e0a\u8ff0\u6b65\u9a5f\u5c01\u88dd\u6210\u4e00\u500b\u81ea\u52d5\u5316\u8173\u672c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Python\u793a\u4f8b\uff1a<\/p>\n
\nimport redis\n\nr = redis.Redis(host='', port=)\n\ncursor = 0\nwhile True:\n    cursor, keys = r.scan(cursor, match='pattern', count=100)\n    if keys:\n        r.unlink(*keys)\n    if cursor == 0:\n        break\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u901a\u904e\u4f7f\u7528Redis\u7684 SCAN<\/code> \u548c UNLINK<\/code> \u547d\u4ee4\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5be6\u73fe\u9060\u7a0b\u6279\u91cf\u522a\u9664\u64cd\u4f5c\u3002\u9019\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\uff0c\u9084\u80fd\u5920\u7c21\u5316\u6578\u64da\u7ba1\u7406\u7684\u904e\u7a0b\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u5de7\u662f\u975e\u5e38\u91cd\u8981\u7684\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\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Redis\u9060\u7a0b\u6279\u91cf\u522a\u9664\u7684\u7c21\u6613\u65b9\u6cd5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u5feb\u901f\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\uff0c\u512a\u5316\u7cfb\u7d71\u6027\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-129007","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129007","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=129007"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129007\/revisions"}],"predecessor-version":[{"id":129008,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/129007\/revisions\/129008"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=129007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=129007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=129007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}