{"id":128907,"date":"2024-10-26T17:38:48","date_gmt":"2024-10-26T09:38:48","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128907\/"},"modified":"2024-10-26T17:38:49","modified_gmt":"2024-10-26T09:38:49","slug":"redis%e5%af%a6%e7%8f%be%e5%90%8c%e4%b8%80%e9%8d%b5%e7%9a%84%e5%a4%9a%e7%b7%9a%e7%a8%8b%e8%ae%80%e5%af%ab%ef%bc%88redis%e8%ae%80%e5%af%ab%e5%90%8c%e4%b8%80%e5%80%8b%e9%8d%b5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128907\/","title":{"rendered":"Redis\u5be6\u73fe\u540c\u4e00\u9375\u7684\u591a\u7dda\u7a0b\u8b80\u5beb\uff08redis\u8b80\u5beb\u540c\u4e00\u500b\u9375\uff09"},"content":{"rendered":"

Redis\u5be6\u73fe\u540c\u4e00\u9375\u7684\u591a\u7dda\u7a0b\u8b80\u5beb<\/h1>\n

\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u5beb\u64cd\u4f5c\u7684\u60c5\u6cc1\u4e0b\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Redis\u4e2d\u5be6\u73fe\u540c\u4e00\u9375\u7684\u591a\u7dda\u7a0b\u8b80\u5beb\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

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

Redis\u662f\u4e00\u500b\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\u7279\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7684\u9996\u9078\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u5feb\u901f\u6578\u64da\u5b58\u53d6\u7684\u5834\u666f\u4e2d\u3002<\/p>\n

\u591a\u7dda\u7a0b\u8b80\u5beb\u7684\u6311\u6230<\/h2>\n

\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u5c0d\u540c\u4e00\u9375\u7684\u8b80\u5beb\u64cd\u4f5c\u53ef\u80fd\u6703\u5c0e\u81f4\u6578\u64da\u4e0d\u4e00\u81f4\u6027\u3002\u9019\u662f\u56e0\u70ba\u591a\u500b\u7dda\u7a0b\u53ef\u80fd\u540c\u6642\u5617\u8a66\u8b80\u53d6\u6216\u5beb\u5165\u540c\u4e00\u9375\u7684\u6578\u64da\uff0c\u5f9e\u800c\u5f15\u767c\u7af6\u722d\u689d\u4ef6\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u6211\u5011\u9700\u8981\u63a1\u53d6\u4e00\u4e9b\u63aa\u65bd\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n

\u4f7f\u7528Redis\u7684\u4e8b\u52d9\u6a5f\u5236<\/h2>\n

Redis\u63d0\u4f9b\u4e86\u4e8b\u52d9\u6a5f\u5236\uff0c\u53ef\u4ee5\u901a\u904eMULTI\u3001EXEC\u3001WATCH\u7b49\u547d\u4ee4\u4f86\u5be6\u73fe\u539f\u5b50\u64cd\u4f5c\u3002\u9019\u610f\u5473\u8457\u5728\u4e00\u500b\u4e8b\u52d9\u4e2d\uff0c\u6240\u6709\u7684\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\uff0c\u5f9e\u800c\u907f\u514d\u4e86\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u554f\u984c\u3002<\/p>\n

 \n\/\/ \u958b\u59cb\u4e8b\u52d9\nMULTI\n\/\/ \u8a2d\u7f6e\u9375\u503c\nSET mykey \"value1\"\n\/\/ \u63d0\u4ea4\u4e8b\u52d9\nEXEC\n<\/code><\/pre>\n
\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528WATCH\u547d\u4ee4\u4f86\u76e3\u8996\u67d0\u500b\u9375\u7684\u8b8a\u5316\u3002\u5982\u679c\u5728\u4e8b\u52d9\u57f7\u884c\u4e4b\u524d\u8a72\u9375\u88ab\u4fee\u6539\uff0c\u5247\u4e8b\u52d9\u5c07\u88ab\u53d6\u6d88\uff0c\u5f9e\u800c\u907f\u514d\u6578\u64da\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002<\/p>\n
 \n\/\/ \u76e3\u8996\u9375\nWATCH mykey\n\/\/ \u958b\u59cb\u4e8b\u52d9\nMULTI\n\/\/ \u8a2d\u7f6e\u65b0\u503c\nSET mykey \"value2\"\n\/\/ \u63d0\u4ea4\u4e8b\u52d9\nEXEC\n<\/code><\/pre>\n
\u4f7f\u7528\u9396\u6a5f\u5236<\/h2>\n
\u53e6\u4e00\u7a2e\u89e3\u6c7a\u65b9\u6848\u662f\u4f7f\u7528\u9396\u6a5f\u5236\u4f86\u63a7\u5236\u5c0d\u540c\u4e00\u9375\u7684\u8a2a\u554f\u3002Redis\u63d0\u4f9b\u4e86SETNX\u547d\u4ee4\uff0c\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u5206\u4f48\u5f0f\u9396\u3002\u7576\u4e00\u500b\u7dda\u7a0b\u7372\u5f97\u9396\u5f8c\uff0c\u5176\u4ed6\u7dda\u7a0b\u5c07\u7121\u6cd5\u8a2a\u554f\u8a72\u9375\uff0c\u76f4\u5230\u9396\u88ab\u91cb\u653e\u3002<\/p>\n
 \n\/\/ \u5617\u8a66\u7372\u53d6\u9396\nSETNX lock_key \"locked\"\n\/\/ \u5982\u679c\u7372\u5f97\u9396\uff0c\u57f7\u884c\u64cd\u4f5c\nif (\u7372\u5f97\u9396) {\n    \/\/ \u8b80\u53d6\u6216\u5beb\u5165\u64cd\u4f5c\n    SET mykey \"new_value\"\n    \/\/ \u91cb\u653e\u9396\n    DEL lock_key\n}\n<\/code><\/pre>\n
\u4f7f\u7528Lua\u8173\u672c<\/h2>\n
Redis\u9084\u652f\u6301Lua\u8173\u672c\uff0c\u9019\u4f7f\u5f97\u6211\u5011\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u5c01\u88dd\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u7684\u7af6\u722d\u689d\u4ef6\u3002<\/p>\n
 \nEVAL \"redis.call('SET', KEYS[1], ARGV[1])\" 1 mykey \"value3\"\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u5c0dRedis\u7684\u540c\u4e00\u9375\u9032\u884c\u8b80\u5beb\u64cd\u4f5c\u6642\uff0c\u5fc5\u9808\u8003\u616e\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002\u901a\u904e\u4f7f\u7528Redis\u7684\u4e8b\u52d9\u6a5f\u5236\u3001\u9396\u6a5f\u5236\u4ee5\u53caLua\u8173\u672c\uff0c\u6211\u5011\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u9019\u4e9b\u554f\u984c\u3002\u9019\u4e9b\u6280\u8853\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u5b89\u5168\u6027\uff0c\u9084\u80fd\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u6216\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Redis\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u696d\u52d9\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Redis\u5982\u4f55\u5be6\u73fe\u540c\u4e00\u9375\u7684\u591a\u7dda\u7a0b\u8b80\u5beb\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u89e3\u6c7a\u4e26\u767c\u64cd\u4f5c\u7684\u6311\u6230\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-128907","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128907","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=128907"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128907\/revisions"}],"predecessor-version":[{"id":128908,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128907\/revisions\/128908"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128907"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128907"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}