{"id":192248,"date":"2024-11-12T18:10:17","date_gmt":"2024-11-12T10:10:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/192248\/"},"modified":"2024-11-12T18:10:18","modified_gmt":"2024-11-12T10:10:18","slug":"%e6%b6%88%e8%b2%bbredis%e5%88%a9%e7%94%a8%e9%9a%8a%e5%88%97%e5%af%a6%e7%8f%be%e4%b8%8d%e9%87%8d%e8%a4%87%e6%b6%88%e8%b2%bb%ef%bc%88redis%e9%9a%8a%e5%88%97%e4%b8%8d%e9%87%8d%e8%a4%87%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/192248\/","title":{"rendered":"\u6d88\u8cbbRedis\u5229\u7528\u968a\u5217\u5be6\u73fe\u4e0d\u91cd\u8907\u6d88\u8cbb\uff08redis\u968a\u5217\u4e0d\u91cd\u8907\uff09"},"content":{"rendered":"

\u6d88\u8cbbRedis\u5229\u7528\u968a\u5217\u5be6\u73fe\u4e0d\u91cd\u8907\u6d88\u8cbb\uff08redis\u968a\u5217\u4e0d\u91cd\u8907\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u6d88\u606f\u968a\u5217\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u666e\u904d\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u968a\u5217\u529f\u80fd\u3002\u7136\u800c\uff0c\u5982\u4f55\u5728\u4f7f\u7528Redis\u968a\u5217\u6642\u5be6\u73fe\u4e0d\u91cd\u8907\u6d88\u8cbb\u662f\u4e00\u500b\u503c\u5f97\u63a2\u8a0e\u7684\u554f\u984c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u7684\u7279\u6027\u4f86\u5be6\u73fe\u4e0d\u91cd\u8907\u6d88\u8cbb\u7684\u968a\u5217\u3002<\/p>\n

Redis\u968a\u5217\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5176\u4e2d\u5217\u8868\uff08List\uff09\u662f\u5be6\u73fe\u968a\u5217\u7684\u5e38\u7528\u7d50\u69cb\u3002\u901a\u904e\u4f7f\u7528LPUSH\u548cRPOP\u547d\u4ee4\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u6578\u64da\u63a8\u5165\u968a\u5217\u4e26\u5f9e\u968a\u5217\u4e2d\u6d88\u8cbb\u6578\u64da\u3002\u9019\u7a2e\u7c21\u55ae\u7684\u64cd\u4f5c\u4f7f\u5f97Redis\u6210\u70ba\u4e00\u500b\u7406\u60f3\u7684\u6d88\u606f\u968a\u5217\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

\u4e0d\u91cd\u8907\u6d88\u8cbb\u7684\u6311\u6230<\/h2>\n

\u5728\u591a\u500b\u6d88\u8cbb\u8005\u540c\u6642\u5f9e\u968a\u5217\u4e2d\u6d88\u8cbb\u6d88\u606f\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u91cd\u8907\u6d88\u8cbb\u7684\u554f\u984c\u3002\u9019\u662f\u56e0\u70ba\u591a\u500b\u6d88\u8cbb\u8005\u53ef\u80fd\u540c\u6642\u8b80\u53d6\u76f8\u540c\u7684\u6d88\u606f\uff0c\u5c0e\u81f4\u6578\u64da\u8655\u7406\u7684\u91cd\u8907\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u6211\u5011\u9700\u8981\u4e00\u7a2e\u6a5f\u5236\u4f86\u78ba\u4fdd\u6bcf\u689d\u6d88\u606f\u53ea\u88ab\u6d88\u8cbb\u4e00\u6b21\u3002<\/p>\n

\u5be6\u73fe\u4e0d\u91cd\u8907\u6d88\u8cbb\u7684\u65b9\u6848<\/h2>\n

\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5229\u7528Redis\u5be6\u73fe\u4e0d\u91cd\u8907\u6d88\u8cbb\u7684\u65b9\u6848\uff1a<\/p>\n

1. \u4f7f\u7528Set\u4f86\u8ffd\u8e64\u5df2\u6d88\u8cbb\u7684\u6d88\u606f<\/h3>\n

\u6211\u5011\u53ef\u4ee5\u4f7f\u7528Redis\u7684Set\u6578\u64da\u7d50\u69cb\u4f86\u5b58\u5132\u5df2\u6d88\u8cbb\u7684\u6d88\u606fID\u3002\u6bcf\u7576\u4e00\u500b\u6d88\u8cbb\u8005\u6210\u529f\u6d88\u8cbb\u4e00\u689d\u6d88\u606f\u5f8c\uff0c\u5c07\u8a72\u6d88\u606f\u7684ID\u6dfb\u52a0\u5230Set\u4e2d\u3002\u5728\u6d88\u8cbb\u4e4b\u524d\uff0c\u5148\u6aa2\u67e5\u8a72ID\u662f\u5426\u5df2\u5b58\u5728\u65bcSet\u4e2d\u3002<\/p>\n

SET consumed_messages:message_id true<\/code><\/pre>\n
\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u907f\u514d\u91cd\u8907\u6d88\u8cbb\u3002\u4ee5\u4e0b\u662f\u793a\u7bc4\u4ee3\u78bc\uff1a<\/p>\n
function consumeMessage() {\n    $message = redis->rpop('message_queue');\n    if ($message) {\n        $messageId = getMessageId($message);\n        if (!redis->sismember('consumed_messages', $messageId)) {\n            processMessage($message);\n            redis->sadd('consumed_messages', $messageId);\n        }\n    }\n}<\/code><\/pre>\n
2. \u4f7f\u7528Lua\u8173\u672c\u539f\u5b50\u64cd\u4f5c<\/h3>\n
Redis\u652f\u6301Lua\u8173\u672c\uff0c\u9019\u4f7f\u5f97\u6211\u5011\u53ef\u4ee5\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\u5b8c\u6210\u6d88\u8cbb\u548c\u6aa2\u67e5\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5728\u6aa2\u67e5\u548c\u6d88\u8cbb\u4e4b\u9593\u7684\u7af6\u722d\u689d\u4ef6\u3002<\/p>\n
local message = redis.call('rpop', KEYS[1])\nif message and not redis.call('sismember', KEYS[2], ARGV[1]) then\n    redis.call('sadd', KEYS[2], ARGV[1])\n    return message\nend\nreturn nil<\/code><\/pre>\n
\u9019\u6bb5Lua\u8173\u672c\u5c07\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\u5b8c\u6210\u6d88\u606f\u7684\u6d88\u8cbb\u548c\u5df2\u6d88\u8cbb\u6d88\u606f\u7684\u8a18\u9304\u3002<\/p>\n
3. \u6d88\u606f\u904e\u671f\u6a5f\u5236<\/h3>\n
\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u8a2d\u7f6e\u6d88\u606f\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u6a23\u5373\u4f7f\u6d88\u606f\u88ab\u91cd\u8907\u6d88\u8cbb\uff0c\u904e\u671f\u5f8c\u4e5f\u6703\u81ea\u52d5\u6e05\u9664\uff0c\u5f9e\u800c\u6e1b\u5c11\u91cd\u8907\u6d88\u8cbb\u7684\u5f71\u97ff\u3002<\/p>\n
redis->lpush('message_queue', $message);\nredis->expire('message_queue', 3600); \/\/ \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u70ba1\u5c0f\u6642<\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
\u5728\u4f7f\u7528Redis\u4f5c\u70ba\u6d88\u606f\u968a\u5217\u6642\uff0c\u5be6\u73fe\u4e0d\u91cd\u8907\u6d88\u8cbb\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u901a\u904e\u4f7f\u7528Set\u4f86\u8ffd\u8e64\u5df2\u6d88\u8cbb\u7684\u6d88\u606f\u3001\u5229\u7528Lua\u8173\u672c\u9032\u884c\u539f\u5b50\u64cd\u4f5c\u4ee5\u53ca\u8a2d\u7f6e\u6d88\u606f\u7684\u904e\u671f\u6642\u9593\uff0c\u6211\u5011\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u91cd\u8907\u6d88\u8cbb\u7684\u554f\u984c\u3002\u9019\u4e9b\u65b9\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u8655\u7406\u7684\u6e96\u78ba\u6027\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684Redis\u5be6\u73fe\u63d0\u4f9b\u7a69\u5b9a\u7684\u57fa\u790e\u8a2d\u65bd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u968a\u5217\u5be6\u73fe\u4e0d\u91cd\u8907\u6d88\u8cbb\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u6bcf\u500b\u4efb\u52d9\u50c5\u88ab\u6d88\u8cbb\u4e00\u6b21\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-192248","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192248","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=192248"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192248\/revisions"}],"predecessor-version":[{"id":192249,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/192248\/revisions\/192249"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=192248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=192248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=192248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}