{"id":201956,"date":"2025-05-10T10:45:10","date_gmt":"2025-05-10T02:45:10","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201956\/"},"modified":"2025-05-10T10:45:10","modified_gmt":"2025-05-10T02:45:10","slug":"redis%e5%ae%9e%e7%8e%b0%e4%bc%98%e5%85%88%e9%98%9f%e5%88%97%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201956\/","title":{"rendered":"Redis\u5b9e\u73b0\u4f18\u5148\u961f\u5217\u8be6\u89e3"},"content":{"rendered":"

<\/b> <\/p>\n

Redis\u5b9e\u73b0\u4f18\u5148\u961f\u5217\u8be6\u89e3<\/h1>\n

\u5b66\u4e60\u6570\u636e\u5e93<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0\u300aRedis\u5b9e\u73b0\u4f18\u5148\u961f\u5217\u8be6\u89e3\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60\u6570\u636e\u5e93<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

Redis\u5b9e\u73b0\u4f18\u5148\u961f\u5217\u8be6\u89e3<\/p>\n

\u4f18\u5148\u961f\u5217\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u6309\u7167\u67d0\u79cd\u89c4\u5219\u5bf9\u5143\u7d20\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u5728\u961f\u5217\u64cd\u4f5c\u65f6\u4fdd\u6301\u8fd9\u4e2a\u6392\u5e8f\uff0c\u4ece\u800c\u4f7f\u5f97\u961f\u5217\u4e2d\u53d6\u51fa\u7684\u5143\u7d20\u603b\u662f\u6309\u7167\u9884\u8bbe\u7684\u4f18\u5148\u7ea7\u8fdb\u884c\u3002<\/p>\n

Redis\u4f5c\u4e3a\u4e00\u79cd\u5185\u5b58\u6570\u636e\u5e93\uff0c\u56e0\u5176\u5feb\u901f\u3001\u9ad8\u6548\u7684\u6570\u636e\u8bbf\u95ee\u80fd\u529b\uff0c\u5728\u5b9e\u73b0\u4f18\u5148\u961f\u5217\u65f6\u4e5f\u6709\u7740\u4f18\u52bf\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdRedis\u5b9e\u73b0\u4f18\u5148\u961f\u5217\u7684\u65b9\u6cd5\u548c\u5e94\u7528\u3002<\/p>\n

\u4e00\u3001Redis\u5b9e\u73b0\u57fa\u672c\u539f\u7406<\/p>\n

Redis\u5b9e\u73b0\u4f18\u5148\u961f\u5217\u7684\u57fa\u672c\u539f\u7406\u662f\u7ef4\u62a4\u4e00\u4e2a\u6709\u5e8f\u7684\u5217\u8868\u6216\u8005\u6709\u5e8f\u96c6\u5408\uff0c\u6bcf\u6b21\u63d2\u5165\u5143\u7d20\u65f6\u6839\u636e\u5b9a\u4e49\u7684\u4f18\u5148\u7ea7\u6309\u7167\u987a\u5e8f\u63d2\u5165\uff1b\u6bcf\u6b21\u5f39\u51fa\u5143\u7d20\u65f6\u76f4\u63a5\u5220\u9664\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/p>\n

\u4e0b\u9762\u4ee5\u6709\u5e8f\u96c6\u5408\u4e3a\u4f8b\u8fdb\u884c\u793a\u8303\uff0c\u76f8\u540c\u7684\u5b9e\u73b0\u65b9\u6cd5\u5728\u6709\u5e8f\u5217\u8868\u4e2d\u540c\u6837\u9002\u7528\u3002\u4ee5\u4e0b\u4ee3\u7801\u548c\u64cd\u4f5c\u5747\u5728redis-cli\u4e2d\u6267\u884c\u3002<\/p>\n

1\u3001\u521b\u5efa\u6709\u5e8f\u96c6\u5408
\u4f7f\u7528ZADD\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u540d\u79f0\u4e3apriority_queue\u7684\u6709\u5e8f\u96c6\u5408\u3002<\/p>\n

127.0.0.1:6379> ZADD priority_queue 5 \"A\"\n(integer) 1\n127.0.0.1:6379> ZADD priority_queue 3 \"B\"\n(integer) 1\n127.0.0.1:6379> ZADD priority_queue 4 \"C\"\n(integer) 1\n127.0.0.1:6379> ZADD priority_queue 2 \"D\"\n(integer) 1\n127.0.0.1:6379> ZADD priority_queue 1 \"E\"\n(integer) 1<\/pre>\n
\u8fd9\u65f6\uff0cpriority_queue\u4e2d\u5df2\u7ecf\u6709\u4e94\u4e2a\u5143\u7d20\uff0c\u5b83\u4eec\u7684\u503c\u548c\u5206\u6570\u5206\u522b\u4e3a\uff1aE\uff081\uff09\u3001D\uff082\uff09\u3001B\uff083\uff09\u3001C\uff084\uff09\u3001A\uff085\uff09\u3002<\/p>\n
2\u3001\u67e5\u770b\u6709\u5e8f\u96c6\u5408
\u4f7f\u7528ZRANGE\u547d\u4ee4\u67e5\u770bpriority_queue\u4e2d\u7684\u5143\u7d20\u5217\u8868\u3002<\/p>\n
127.0.0.1:6379> ZRANGE priority_queue 0 -1 WITHSCORES\n1) \"E\"\n2) \"1\"\n3) \"D\"\n4) \"2\"\n5) \"B\"\n6) \"3\"\n7) \"C\"\n8) \"4\"\n9) \"A\"\n10) \"5\"<\/pre>\n
\u7ed3\u679c\u663e\u793a\u4e86priority_queue\u7684\u5143\u7d20\u5217\u8868\uff0c\u6bcf\u4e2a\u5143\u7d20\u7684\u503c\u548c\u5206\u6570\u90fd\u6709\u3002\u5176\u4e2d\uff0c\u5143\u7d20E\u7684\u5206\u6570\u4e3a1\uff0cD\u4e3a2\uff0c\u4f9d\u6b64\u7c7b\u63a8\u3002<\/p>\n
3\u3001\u538b\u7f29\u6709\u5e8f\u96c6\u5408
\u4f7f\u7528ZPOPMIN\u547d\u4ee4\u5f39\u51fapriority_queue\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\uff0c\u5e76\u628a\u5b83\u4ece\u6709\u5e8f\u96c6\u5408\u4e2d\u5220\u9664\u3002<\/p>\n
127.0.0.1:6379> ZPOPMIN priority_queue\n1) \"E\"\n2) \"1\"<\/pre>\n
\u5df2\u7ecf\u5f39\u51fa\u4e86\u5143\u7d20E\u548c\u5b83\u7684\u5206\u65701\uff0c\u4e0b\u4e00\u6b65\u64cd\u4f5c\u65f6\uff0cE\u5c06\u4e0d\u518d\u51fa\u73b0\u5728priority_queue\u4e2d\u3002<\/p>\n
\u57fa\u672c\u7684Redis\u5b9e\u73b0\u4f18\u5148\u961f\u5217\u7684\u539f\u7406\u5c31\u5728\u4ee5\u4e0a\u64cd\u4f5c\u4e2d\u5f97\u4ee5\u4f53\u73b0\uff0c\u4e0b\u9762\u8fdb\u4e00\u6b65\u589e\u52a0\u4e00\u4e9b\u5e94\u7528\u5c42\u9762\u4e0a\u7684\u5b9e\u8df5\u64cd\u4f5c\u3002<\/p>\n
\u4e8c\u3001\u5e94\u7528\u5b9e\u4f8b<\/p>\n
1\u3001\u4f7f\u7528\u4f18\u5148\u961f\u5217\u5b9e\u73b0\u4efb\u52a1\u8c03\u5ea6
\u4efb\u52a1\u8c03\u5ea6\u662f\u96c6\u7fa4\u8ba1\u7b97\u4e2d\u4e00\u4e2a\u5fc5\u4e0d\u53ef\u5c11\u7684\u7ec4\u6210\u90e8\u5206\uff0c\u8003\u8651\u5230\u6709\u4e9b\u4efb\u52a1\u53ef\u80fd\u9700\u8981\u5728\u7ebf\u4ea4\u4e92\uff0c\u6211\u4eec\u5e0c\u671b\u5c06\u4e00\u4e2a\u8282\u70b9\u4e0a\u7684\u4efb\u52a1\u5206\u914d\u5f97\u5c3d\u53ef\u80fd\u5747\u5300\uff0c\u4ece\u800c\u6700\u5c0f\u5316\u4efb\u52a1\u7b49\u5f85\u65f6\u95f4\u3002\u8fd9\u65f6\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u4f18\u5148\u961f\u5217\u6765\u5b9e\u73b0\u4efb\u52a1\u8c03\u5ea6\u3002<\/p>\n
\u4ee5\u4e0b\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a\u6570\u636e\u5e93\u5b9e\u4f8b\uff0c\u6bcf\u4e2a\u5b9e\u4f8b\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u4efb\u52a1\u3002\u4f18\u5148\u961f\u5217\u4ee5\u5217\u8868\u4e3a\u57fa\u7840\uff0c\u4f7f\u7528LPUSH\u548cRPOP\u547d\u4ee4\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8f83\u4e3a\u7b80\u5355\u7684\u4efb\u52a1\u8c03\u5ea6\u7cfb\u7edf\u3002<\/p>\n
127.0.0.1:6379> LPUSH db1 \"task_1\"\n(integer) 1\n127.0.0.1:6379> LPUSH db1 \"task_2\"\n(integer) 2\n127.0.0.1:6379> LPUSH db1 \"task_3\"\n(integer) 3\n127.0.0.1:6379> LPUSH db2 \"task_4\"\n(integer) 1\n127.0.0.1:6379> LPUSH db2 \"task_5\"\n(integer) 2\n127.0.0.1:6379> LPUSH db2 \"task_6\"\n(integer) 3<\/pre>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cdb1\u548cdb2\u5206\u522b\u8868\u793a\u4e24\u4e2a\u4e0d\u540c\u7684\u6570\u636e\u5e93\u5b9e\u4f8b\uff0c\u6bcf\u4e2a\u5b9e\u4f8b\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u4efb\u52a1\u3002\u73b0\u5728\uff0c\u6211\u4eec\u5c06\u4efb\u52a1\u63a8\u5165\u76f8\u5e94\u7684\u961f\u5217\u4e2d\u3002<\/p>\n
127.0.0.1:6379> RPOP db1\n\"task_1\"\n127.0.0.1:6379> RPOP db1\n\"task_2\"\n127.0.0.1:6379> RPOP db2\n\"task_4\"\n127.0.0.1:6379> RPOP db1\n\"task_3\"\n127.0.0.1:6379> RPOP db2\n\"task_5\"\n127.0.0.1:6379> RPOP db2\n\"task_6\"<\/pre>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f7f\u7528RPOP\u547d\u4ee4\u4f9d\u6b21\u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u4efb\u52a1\u3002\u7531\u4e8e\u6bcf\u4e2a\u4efb\u52a1\u5728\u961f\u5217\u4e2d\u7684\u4f4d\u7f6e\u662f\u4e0d\u786e\u5b9a\u7684\uff0c\u56e0\u6b64\u4e5f\u4e0d\u5177\u6709\u660e\u786e\u7684\u4f18\u5148\u7ea7\uff0c\u4f46\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u591a\u4e2a\u961f\u5217\u6765\u5b9e\u73b0\u4e0d\u540c\u4efb\u52a1\u7c7b\u578b\u7684\u4f18\u5148\u7ea7\u63a7\u5236\u3002<\/p>\n
2\u3001\u4f7f\u7528\u4f18\u5148\u961f\u5217\u5b9e\u73b0\u6d88\u606f\u8fc7\u6ee4
\u6d88\u606f\u8fc7\u6ee4\u662f\u6211\u4eec\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u7ecf\u5e38\u9047\u5230\u7684\u95ee\u9898\uff0c\u4e00\u4e2a\u9ad8\u541e\u5410\u7387\u7684\u7cfb\u7edf\u4e2d\uff0c\u9700\u8981\u5feb\u901f\u5730\u5bf9\u6d88\u606f\u8fdb\u884c\u8fc7\u6ee4\u548c\u5206\u7c7b\uff0c\u4f8b\u5982\uff0c\u5bf9\u4e3b\u9898\u5206\u7ec4\uff0c\u5bf9\u91cd\u8981\u7684\u6d88\u606f\u6253\u6807\u8bb0\u7b49\u3002\u8fd9\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u4f18\u5148\u961f\u5217\u6765\u5b9e\u73b0\u6d88\u606f\u8fc7\u6ee4\u3002<\/p>\n
\u4ee5\u4e0b\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e24\u4e2a\u4f18\u5148\u961f\u5217\uff0c\u5206\u522b\u7528\u4e8e\u91cd\u8981\u548c\u975e\u91cd\u8981\u6d88\u606f\u7684\u8fc7\u6ee4\u3002\u6bcf\u4e2a\u961f\u5217\u7684\u5143\u7d20\u4e3a\u6d88\u606f\u5185\u5bb9\u548c\u65f6\u95f4\u6233\uff0c\u6309\u65f6\u95f4\u6233\u6392\u5e8f\uff0c\u53ef\u4ee5\u5feb\u901f\u5730\u5c06\u6d88\u606f\u6309\u7167\u65f6\u95f4\u6392\u5e8f\u548c\u8fc7\u6ee4\u3002<\/p>\n
127.0.0.1:6379> ZADD important_messages 1628347641 \"Important message 1\"\n(integer) 1\n127.0.0.1:6379> ZADD important_messages 1628357641 \"Important message 2\"\n(integer) 1\n127.0.0.1:6379> ZADD important_messages 1628367641 \"Important message 3\"\n(integer) 1\n127.0.0.1:6379> ZADD important_messages 1628368641 \"Important message 4\"\n(integer) 1\n127.0.0.1:6379> ZADD important_messages 1628369641 \"Important message 5\"\n(integer) 1\n127.0.0.1:6379> ZADD normal_messages 1628367645 \"Normal message 1\"\n(integer) 1\n127.0.0.1:6379> ZADD normal_messages 1628368645 \"Normal message 2\"\n(integer) 1\n127.0.0.1:6379> ZADD normal_messages 1628369645 \"Normal message 3\"\n(integer) 1\n127.0.0.1:6379> ZADD normal_messages 1628370645 \"Normal message 4\"\n(integer) 1<\/pre>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cimportant_messages\u548cnormal_messages\u662f\u6211\u4eec\u521b\u5efa\u7684\u4e24\u4e2a\u4f18\u5148\u961f\u5217\uff0c\u5b83\u4eec\u5206\u522b\u7528\u4e8e\u91cd\u8981\u548c\u975e\u91cd\u8981\u6d88\u606f\u7684\u8fc7\u6ee4\u3002\u6bcf\u4e2a\u961f\u5217\u7684\u5143\u7d20\u4e3a\u6d88\u606f\u5185\u5bb9\u548c\u65f6\u95f4\u6233\u3002<\/p>\n
127.0.0.1:6379> ZRANGE important_messages 0 -1\n1) \"Important message 1\"\n2) \"Important message 2\"\n3) \"Important message 3\"\n4) \"Important message 4\"\n5) \"Important message 5\"\n127.0.0.1:6379> ZRANGE normal_messages 0 -1\n1) \"Normal message 1\"\n2) \"Normal message 2\"\n3) \"Normal message 3\"\n4) \"Normal message 4\"<\/pre>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f7f\u7528ZRANGE\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u4f18\u5148\u961f\u5217\u4e2d\u7684\u5143\u7d20\u5217\u8868\uff0c\u4e0b\u4e00\u6b65\u9700\u8981\u6839\u636e\u4f18\u5148\u7ea7\u4ece\u961f\u5217\u4e2d\u5f39\u51fa\u6d88\u606f\u3002<\/p>\n
redis> ZPOPMIN important_messages\n1) \"Important message 1\"\n2) \"1628347641\"\nredis> ZPOPMIN normal_messages\n1) \"Normal message 1\"\n2) \"1628367645\"<\/pre>\n
\u4ee5\u4e0a\u64cd\u4f5c\u5747\u4f7f\u7528Redis\u5e38\u7528\u7684\u547d\u4ee4\uff0c\u5b9e\u73b0\u4e86\u5feb\u901f\u7b80\u6d01\u7684\u6d88\u606f\u8fc7\u6ee4\u548c\u6392\u5e8f\uff0c\u53ef\u4ee5\u6ee1\u8db3\u8f83\u4e3a\u7b80\u5355\u7684\u7cfb\u7edf\u9700\u6c42\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u8fdb\u4e00\u6b65\u6269\u5c55\u548c\u4f18\u5316\u5230\u590d\u6742\u573a\u666f\u4e0b\u3002<\/p>\n
\u4e09\u3001\u603b\u7ed3<\/p>\n
Redis\u5b9e\u73b0\u4f18\u5148\u961f\u5217\u662f\u4e00\u9879\u5341\u5206\u6709\u7528\u7684\u6280\u672f\uff0c\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u5b83\u5b9e\u73b0\u4efb\u52a1\u8c03\u5ea6\u3001\u6d88\u606f\u8fc7\u6ee4\u7b49\u529f\u80fd\uff0c\u63d0\u5347\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u4e86\u89e3\u4e86Redis\u4f18\u5148\u961f\u5217\u7684\u57fa\u672c\u5b9e\u73b0\u539f\u7406\u548c\u5e94\u7528\u5b9e\u4f8b\uff0c\u5e0c\u671b\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u638c\u63e1\u548c\u5e94\u7528\u8fd9\u65b9\u9762\u7684\u77e5\u8bc6\u3002<\/p>\n
\n
\n <\/dt>\n
\n   Go\u8bed\u8a00\u5728\u667a\u80fd\u533b\u7597\u4ea7\u4e1a\u4e2d\u7684\u5e94\u7528\u65b9\u5411\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   \u9648\u6839\uff1aNeuralink\u7684\u9996\u6b21\u8111\u673a\u63a5\u53e3\u4eba\u4f53\u8bd5\u9a8c\u5c06\u4e8e\u4eca\u5e74\u8fdb\u884c\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
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