{"id":101904,"date":"2024-10-22T13:34:26","date_gmt":"2024-10-22T05:34:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/101904\/"},"modified":"2024-10-22T13:34:27","modified_gmt":"2024-10-22T05:34:27","slug":"redis-%e9%81%8e%e6%bf%be%e5%99%a8%e4%bd%bf%e7%94%a8%e6%8c%87%e5%8d%97%e5%bf%ab%e9%80%9f%e4%b8%8a%e6%89%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/101904\/","title":{"rendered":"Redis \u904e\u6ffe\u5668\u4f7f\u7528\u6307\u5357\u5feb\u901f\u4e0a\u624b"},"content":{"rendered":"

Redis \u904e\u6ffe\u5668\u4f7f\u7528\u6307\u5357\u5feb\u901f\u4e0a\u624b<\/h1>\n

Redis \u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u5176\u5f37\u5927\u7684\u529f\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u8655\u7406\u5404\u7a2e\u6578\u64da\u9700\u6c42\u3002\u5728 Redis \u4e2d\uff0c\u904e\u6ffe\u5668\uff08Filter\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u3002\u672c\u6587\u5c07\u4ecb\u7d39 Redis \u904e\u6ffe\u5668\u7684\u57fa\u672c\u6982\u5ff5\u53ca\u5176\u4f7f\u7528\u65b9\u6cd5\uff0c\u5e6b\u52a9\u8b80\u8005\u5feb\u901f\u4e0a\u624b\u3002<\/p>\n

\u4ec0\u9ebc\u662f Redis \u904e\u6ffe\u5668\uff1f<\/h2>\n

\u5728 Redis \u4e2d\uff0c\u904e\u6ffe\u5668\u4e3b\u8981\u7528\u65bc\u5c0d\u6578\u64da\u9032\u884c\u7be9\u9078\u548c\u67e5\u8a62\u3002\u5b83\u53ef\u4ee5\u6839\u64da\u7279\u5b9a\u7684\u689d\u4ef6\u4f86\u9078\u64c7\u7b26\u5408\u8981\u6c42\u7684\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002\u904e\u6ffe\u5668\u7684\u4f7f\u7528\u5834\u666f\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\u6578\u64da\u5206\u6790\u3001\u5be6\u6642\u76e3\u63a7\u548c\u5831\u544a\u751f\u6210\u7b49\u3002<\/p>\n

Redis \u904e\u6ffe\u5668\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5<\/h2>\n

\u4f7f\u7528 Redis \u904e\u6ffe\u5668\u7684\u7b2c\u4e00\u6b65\u662f\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e26\u904b\u884c Redis \u670d\u52d9\u3002\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u901a\u904e\u4e00\u4e9b\u57fa\u672c\u7684\u547d\u4ee4\u4f86\u6f14\u793a\u5982\u4f55\u4f7f\u7528\u904e\u6ffe\u5668\u3002<\/p>\n

1. \u5b89\u88dd Redis<\/h3>\n
sudo apt-get update\nsudo apt-get install redis-server\n<\/code><\/pre>\n
2. \u555f\u52d5 Redis \u670d\u52d9<\/h3>\n
sudo service redis-server start\n<\/code><\/pre>\n
3. \u4f7f\u7528\u904e\u6ffe\u5668\u67e5\u8a62\u6578\u64da<\/h3>\n
\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u5b58\u5132\u7528\u6236\u4fe1\u606f\u7684 Redis \u6578\u64da\u5eab\uff0c\u6bcf\u500b\u7528\u6236\u7684\u6578\u64da\u4ee5\u54c8\u5e0c\u8868\u7684\u5f62\u5f0f\u5b58\u5132\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u4f7f\u7528\u904e\u6ffe\u5668\u4f86\u67e5\u8a62\u7279\u5b9a\u689d\u4ef6\u7684\u7528\u6236\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n
HMSET user:1 name \"Alice\" age 30 city \"Hong Kong\"\nHMSET user:2 name \"Bob\" age 25 city \"Taipei\"\nHMSET user:3 name \"Charlie\" age 35 city \"Hong Kong\"\n<\/code><\/pre>\n
\u5982\u679c\u6211\u5011\u60f3\u8981\u67e5\u8a62\u6240\u6709\u4f86\u81ea\u9999\u6e2f\u7684\u7528\u6236\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
KEYS user:* | xargs -I {} redis-cli HGETALL {}\n<\/code><\/pre>\n
\u9019\u500b\u547d\u4ee4\u6703\u5217\u51fa\u6240\u6709\u7528\u6236\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u7136\u5f8c\u6211\u5011\u53ef\u4ee5\u5728\u61c9\u7528\u5c64\u9032\u884c\u904e\u6ffe\u3002<\/p>\n
\u4f7f\u7528 Lua \u8173\u672c\u9032\u884c\u904e\u6ffe<\/h2>\n
Redis \u4e5f\u652f\u6301\u4f7f\u7528 Lua \u8173\u672c\u4f86\u9032\u884c\u66f4\u8907\u96dc\u7684\u904e\u6ffe\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684 Lua \u8173\u672c\u793a\u4f8b\uff0c\u7528\u65bc\u67e5\u8a62\u5e74\u9f61\u5927\u65bc 30 \u7684\u7528\u6236\uff1a<\/p>\n
local result = {}\nfor i=1, #KEYS do\n    local user = redis.call('HGETALL', KEYS[i])\n    if tonumber(user[3]) > 30 then\n        table.insert(result, user)\n    end\nend\nreturn result\n<\/code><\/pre>\n
\u9019\u6bb5\u8173\u672c\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u57f7\u884c\uff1a<\/p>\n
EVAL \"your_lua_script\" 0 user:1 user:2 user:3\n<\/code><\/pre>\n
\u904e\u6ffe\u5668\u7684\u6027\u80fd\u8003\u91cf<\/h2>\n
\u5728\u4f7f\u7528 Redis \u904e\u6ffe\u5668\u6642\uff0c\u6027\u80fd\u662f\u4e00\u500b\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\u3002\u904e\u6ffe\u5668\u7684\u6548\u7387\u53d6\u6c7a\u65bc\u6578\u64da\u7684\u7d50\u69cb\u548c\u67e5\u8a62\u7684\u8907\u96dc\u6027\u3002\u70ba\u4e86\u63d0\u9ad8\u6027\u80fd\uff0c\u5efa\u8b70\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u7d50\u69cb\uff0c\u4e26\u76e1\u91cf\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u67e5\u8a62\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
Redis \u904e\u6ffe\u5668\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u9ad8\u6548\u5730\u7ba1\u7406\u548c\u67e5\u8a62\u6578\u64da\u3002\u901a\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u76f8\u4fe1\u8b80\u8005\u5df2\u7d93\u5c0d Redis \u904e\u6ffe\u5668\u6709\u4e86\u521d\u6b65\u7684\u4e86\u89e3\u3002\u82e5\u60a8\u9700\u8981\u66f4\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 \u9999\u6e2f VPS<\/a> \u670d\u52d9\u4f86\u642d\u5efa\u60a8\u7684 Redis \u74b0\u5883\uff0c\u4eab\u53d7\u66f4\u5feb\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\u548c\u66f4\u7a69\u5b9a\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5feb\u901f\u638c\u63e1Redis\u904e\u6ffe\u5668\u4f7f\u7528\u6307\u5357\uff0c\u5b78\u7fd2\u5982\u4f55\u9ad8\u6548\u904e\u6ffe\u6578\u64da\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u7ba1\u7406\u6548\u7387\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-101904","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/101904","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=101904"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/101904\/revisions"}],"predecessor-version":[{"id":101905,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/101904\/revisions\/101905"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=101904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=101904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=101904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}