{"id":43756,"date":"2024-12-01T10:15:14","date_gmt":"2024-12-01T02:15:14","guid":{"rendered":"https:\/\/fwq.ai\/blog\/43756\/"},"modified":"2024-12-01T10:15:14","modified_gmt":"2024-12-01T02:15:14","slug":"%e5%85%b3%e4%ba%8eredis%e5%8d%95%e7%ba%bf%e7%a8%8b%e7%9a%84%e6%ad%a3%e7%a1%ae%e7%90%86%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/43756\/","title":{"rendered":"\u5173\u4e8eRedis\u5355\u7ebf\u7a0b\u7684\u6b63\u786e\u7406\u89e3"},"content":{"rendered":"

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

\u5173\u4e8eRedis\u5355\u7ebf\u7a0b\u7684\u6b63\u786e\u7406\u89e3<\/h1>\n

<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5728\u6570\u636e\u5e93\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929golang\u5b66\u4e60\u7f51\u5c31\u6574\u7406\u5206\u4eab\u300a\u5173\u4e8eRedis\u5355\u7ebf\u7a0b\u7684\u6b63\u786e\u7406\u89e3\u300b\uff0c\u804a\u804aRedis\u5355\u7ebf\u7a0b\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n

\u5f88\u591a\u540c\u5b66\u5bf9Redis\u7684\u5355\u7ebf\u7a0b\u548cI\/O\u591a\u8def\u590d\u7528\u6280\u672f\u5e76\u4e0d\u662f\u5f88\u4e86\u89e3\uff0c\u6240\u4ee5\u6211\u7528\u7b80\u5355\u6613\u61c2\u7684\u8bed\u8a00\u8ba9\u5927\u5bb6\u4e86\u89e3\u4e0bRedis\u5355\u7ebf\u7a0b\u548cI\/O\u591a\u8def\u590d\u7528\u6280\u672f\u7684\u539f\u7406\uff0c\u5bf9\u5b66\u597d\u548c\u8fd0\u7528\u597dRedis\u6253\u4e0b\u57fa\u7840\u3002<\/p>\n

\u4e00\u3001Redis\u7684\u5355\u7ebf\u7a0b\u7406\u89e3<\/h2>\n

Redis\u5ba2\u6237\u7aef\u5bf9\u670d\u52a1\u7aef\u7684\u6bcf\u6b21\u8c03\u7528\u90fd\u7ecf\u5386\u4e86\u53d1\u9001\u547d\u4ee4\uff0c\u6267\u884c\u547d\u4ee4\uff0c\u8fd4\u56de\u7ed3\u679c\u4e09\u4e2a\u8fc7\u7a0b\u3002\u5176\u4e2d\u6267\u884c\u547d\u4ee4\u9636\u6bb5\uff0c\u7531\u4e8eRedis\u662f\u5355\u7ebf\u7a0b\u6765\u5904\u7406\u547d\u4ee4\u7684\uff0c\u6240\u6709\u5230\u8fbe\u670d\u52a1\u7aef\u7684\u547d\u4ee4\u90fd\u4e0d\u4f1a\u7acb\u523b\u6267\u884c\uff0c\u6240\u6709\u7684\u547d\u4ee4\u90fd\u4f1a\u8fdb\u5165\u4e00\u4e2a\u961f\u5217\u4e2d\uff0c\u7136\u540e\u9010\u4e2a\u6267\u884c\uff0c\u5e76\u4e14\u591a\u4e2a\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u547d\u4ee4\u7684\u6267\u884c\u987a\u5e8f\u662f\u4e0d\u786e\u5b9a\u7684\uff0c\u4f46\u662f\u53ef\u4ee5\u786e\u5b9a\u7684\u662f\u4e0d\u4f1a\u6709\u4e24\u6761\u547d\u4ee4\u88ab\u540c\u65f6\u6267\u884c\uff0c\u4e0d\u4f1a\u4ea7\u751f\u5e76\u53d1\u95ee\u9898\uff0c\u8fd9\u5c31\u662fRedis\u7684\u5355\u7ebf\u7a0b\u57fa\u672c\u6a21\u578b\u3002<\/p>\n

Redis\u670d\u52a1\u5668\u901a\u8fc7socket\uff08\u5957\u63a5\u5b57\uff09\u4e0e\u5ba2\u6237\u7aef\u6216\u5176\u4ed6Redis\u670d\u52a1\u5668\u8fdb\u884c\u8fde\u63a5\uff0c\u800c\u6587\u4ef6\u4e8b\u4ef6\u5c31\u662f\u670d\u52a1\u5668\u5bf9socket\u64cd\u4f5c\u7684\u62bd\u8c61\u3002\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u6216\u5176\u4ed6\u670d\u52a1\u5668\u7684\u901a\u4fe1\u4f1a\u4ea7\u751f\u76f8\u5e94\u7684\u6587\u4ef6\u4e8b\u4ef6\uff0c\u800c\u670d\u52a1\u5668\u901a\u8fc7\u76d1\u542c\u5e76\u5904\u7406\u8fd9\u4e9b\u4e8b\u4ef6\u6765\u5b8c\u6210\u4e00\u7cfb\u5217\u7f51\u7edc\u901a\u4fe1\u64cd\u4f5c\u3002<\/p>\n

Redis\u57fa\u4e8eReactor\u6a21\u5f0f\u5f00\u53d1\u4e86\u81ea\u5df1\u7684\u7f51\u7edc\u4e8b\u4ef6\u5904\u7406\u5668\u2014\u2014\u6587\u4ef6\u4e8b\u4ef6\u5904\u7406\u5668\uff0c\u6587\u4ef6\u4e8b\u4ef6\u5904\u7406\u5668\u4f7f\u7528I\/O\u591a\u8def\u590d\u7528\u7a0b\u5e8f\u6765\u540c\u65f6\u76d1\u542c\u591a\u4e2asocket\uff08I\/O\u591a\u8def\u590d\u7528\u6280\u672f\u4e0b\u9762\u6709\u4ecb\u7ecd\uff09\uff0c\u5e76\u6839\u636esocket\u76ee\u524d\u6267\u884c\u7684\u4efb\u52a1\u6765\u4e3asocket\u5173\u8054\u4e0d\u540c\u7684\u4e8b\u4ef6\u5904\u7406\u5668\u3002\u5f53\u88ab\u76d1\u542c\u7684socket\u51c6\u5907\u597d\u6267\u884c\u8fde\u63a5\u5e94\u7b54\u3001\u8bfb\u53d6\u3001\u5199\u5165\u3001\u5173\u95ed\u7b49\u64cd\u4f5c\u65f6\uff0c\u4e0e\u64cd\u4f5c\u76f8\u5bf9\u5e94\u7684\u6587\u4ef6\u4e8b\u4ef6\u5c31\u4f1a\u4ea7\u751f\uff0c\u8fd9\u65f6\u6587\u4ef6\u4e8b\u4ef6\u5904\u7406\u5668\u5c31\u4f1a\u8c03\u7528socket\u4e4b\u524d\u5df2\u5173\u8054\u597d\u7684\u4e8b\u4ef6\u5904\u7406\u5668\u6765\u5904\u7406\u8fd9\u4e9b\u4e8b\u4ef6\u3002<\/p>\n

\u6587\u4ef6\u4e8b\u4ef6\u5904\u7406\u5668\u7684\u6784\u6210\uff1a<\/p>\n

                                                    \"\u5173\u4e8eRedis\u5355\u7ebf\u7a0b\u7684\u6b63\u786e\u7406\u89e3\u63d2\u56fe\"<\/p>\n

\u6ce8\u610f\uff1a\u5176\u4e2dI\/O\u591a\u8def\u590d\u7528\u7a0b\u5e8f\u901a\u8fc7\u961f\u5217\u5411\u6587\u4ef6\u4e8b\u4ef6\u5206\u6d3e\u5668\u4f20\u9001socket<\/p>\n

\u4e8c\u3001I\/O\u591a\u8def\u590d\u7528\u6280\u672f<\/h2>\n

\u5173\u4e8eI\/O\u591a\u8def\u590d\u7528(\u53c8\u88ab\u79f0\u4e3a\u201c\u4e8b\u4ef6\u9a71\u52a8\u201d)\uff0c\u9996\u5148\u8981\u7406\u89e3\u7684\u662f\uff0c\u64cd\u4f5c\u7cfb\u7edf\u4e3a\u4f60\u63d0\u4f9b\u4e86\u4e00\u4e2a\u529f\u80fd\uff0c\u5f53\u4f60\u7684\u67d0\u4e2asocket\u53ef\u8bfb\u6216\u8005\u53ef\u5199\u7684\u65f6\u5019\uff0c\u5b83\u53ef\u4ee5\u7ed9\u4f60\u4e00\u4e2a\u901a\u77e5\u3002\u8fd9\u6837\u5f53\u914d\u5408\u975e\u963b\u585e\u7684socket\u4f7f\u7528\u65f6\uff0c\u53ea\u6709\u5f53\u7cfb\u7edf\u901a\u77e5\u6211\u54ea\u4e2a\u63cf\u8ff0\u7b26\u53ef\u8bfb\u4e86\uff0c\u6211\u624d\u53bb\u6267\u884cread\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4fdd\u8bc1\u6bcf\u6b21read\u90fd\u80fd\u8bfb\u5230\u6709\u6548\u6570\u636e\u800c\u4e0d\u505a\u7eaf\u8fd4\u56de-1\u548cEAGAIN\u7684\u65e0\u7528\u529f\uff0c\u5199\u64cd\u4f5c\u7c7b\u4f3c\u3002<\/p>\n

\u64cd\u4f5c\u7cfb\u7edf\u7684\u8fd9\u4e2a\u529f\u80fd\u662f\u901a\u8fc7select\/poll\/epoll\/kqueue\u4e4b\u7c7b\u7684\u7cfb\u7edf\u8c03\u7528\u51fd\u6570\u6765\u5b9e\u73b0\uff0c\u8fd9\u4e9b\u51fd\u6570\u90fd\u53ef\u4ee5\u540c\u65f6\u76d1\u89c6\u591a\u4e2a\u63cf\u8ff0\u7b26\u7684\u8bfb\u5199\u5c31\u7eea\u72b6\u51b5\uff0c\u8fd9\u6837\uff0c\u591a\u4e2a\u63cf\u8ff0\u7b26\u7684I\/O\u64cd\u4f5c\u90fd\u80fd\u5728\u4e00\u4e2a\u7ebf\u7a0b\u5185\u5e76\u53d1\u4ea4\u66ff\u5730\u987a\u5e8f\u5b8c\u6210\uff0c\u8fd9\u5c31\u53ebI\/O\u591a\u8def\u590d\u7528\uff0c\u8fd9\u91cc\u7684\u201c\u591a\u8def\u201d\u6307\u7684\u662f\u591a\u4e2a\u7f51\u7edc\u8fde\u63a5\uff0c\u201c\u590d\u7528\u201d\u6307\u7684\u662f\u590d\u7528\u540c\u4e00\u4e2aRedis\u5904\u7406\u7ebf\u7a0b\u3002\uff08\u6b63\u5982\u4e0a\u56fe\u6240\u793a\uff09<\/p>\n

\u91c7\u7528\u591a\u8def I\/O \u590d\u7528\u6280\u672f\u53ef\u4ee5\u8ba9\u5355\u4e2a\u7ebf\u7a0b\u9ad8\u6548\u7684\u5904\u7406\u591a\u4e2a\u8fde\u63a5\u8bf7\u6c42\uff08\u5c3d\u91cf\u51cf\u5c11\u7f51\u7edc I\/O \u7684\u65f6\u95f4\u6d88\u8017\uff09\uff0c\u4e14 Redis \u5728\u5185\u5b58\u4e2d\u64cd\u4f5c\u6570\u636e\u7684\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u4e5f\u5c31\u662f\u8bf4\u5185\u5b58\u5185\u7684\u64cd\u4f5c\u4e0d\u4f1a\u6210\u4e3a\u5f71\u54cdRedis\u6027\u80fd\u7684\u74f6\u9888\uff0c\u6240\u6709 Redis \u5177\u6709\u5f88\u9ad8\u7684\u541e\u5410\u91cf\u3002<\/p>\n

\u4e09\u3001\u5e38\u89c1\u7591\u95ee\u89e3\u7b54<\/h2>\n

1\u3001Redis\u7684\u5355\u7ebf\u7a0b\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u5feb\uff1f<\/h3>\n

1.\u5b8c\u5168\u57fa\u4e8e\u5185\u5b58\uff0c\u7edd\u5927\u90e8\u5206\u8bf7\u6c42\u662f\u7eaf\u7cb9\u7684\u5185\u5b58\u64cd\u4f5c\uff0c\u975e\u5e38\u5feb\u901f\u3002\u6570\u636e\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u7c7b\u4f3c\u4e8eHashMap\uff0cHashMap\u7684\u4f18\u52bf\u5c31\u662f\u67e5\u627e\u548c\u64cd\u4f5c\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u90fd\u662fO(1)\uff1b<\/p>\n

2.\u6570\u636e\u7ed3\u6784\u7b80\u5355\uff0c\u5bf9\u6570\u636e\u64cd\u4f5c\u4e5f\u7b80\u5355\uff0cRedis\u4e2d\u7684\u6570\u636e\u7ed3\u6784\u662f\u4e13\u95e8\u8fdb\u884c\u8bbe\u8ba1\u7684\uff1b<\/p>\n

3.\u91c7\u7528\u5355\u7ebf\u7a0b\uff0c\u907f\u514d\u4e86\u4e0d\u5fc5\u8981\u7684\u4e0a\u4e0b\u6587\u5207\u6362\u548c\u7ade\u4e89\u6761\u4ef6\uff0c\u4e5f\u4e0d\u5b58\u5728\u591a\u8fdb\u7a0b\u6216\u8005\u591a\u7ebf\u7a0b\u5bfc\u81f4\u7684\u5207\u6362\u800c\u6d88\u8017 CPU\uff0c\u4e0d\u7528\u53bb\u8003\u8651\u5404\u79cd\u9501\u7684\u95ee\u9898\uff0c\u4e0d\u5b58\u5728\u52a0\u9501\u91ca\u653e\u9501\u64cd\u4f5c\uff0c\u6ca1\u6709\u56e0\u4e3a\u53ef\u80fd\u51fa\u73b0\u6b7b\u9501\u800c\u5bfc\u81f4\u7684\u6027\u80fd\u6d88\u8017\uff1b<\/p>\n

4.\u4f7f\u7528\u591a\u8defI\/O\u590d\u7528\u6a21\u578b\uff0c\u975e\u963b\u585eI\/O\uff1b<\/p>\n

5.Redis\u76f4\u63a5\u81ea\u5df1\u6784\u5efa\u4e86VM \u673a\u5236 \uff0c\u56e0\u4e3a\u4e00\u822c\u7684\u7cfb\u7edf\u8c03\u7528\u7cfb\u7edf\u51fd\u6570\u7684\u8bdd\uff0c\u4f1a\u6d6a\u8d39\u4e00\u5b9a\u7684\u65f6\u95f4\u53bb\u79fb\u52a8\u548c\u8bf7\u6c42\uff1b<\/p>\n

2\u3001\u4e3a\u4ec0\u4e48\u4e0d\u91c7\u7528\u591a\u8fdb\u7a0b\u6216\u591a\u7ebf\u7a0b\u5904\u7406\uff1f<\/h3>\n

1.\u591a\u7ebf\u7a0b\u5904\u7406\u53ef\u80fd\u6d89\u53ca\u5230\u9501<\/p>\n

2.\u591a\u7ebf\u7a0b\u5904\u7406\u4f1a\u6d89\u53ca\u5230\u7ebf\u7a0b\u5207\u6362\u800c\u6d88\u8017CPU<\/p>\n

3\u3001\u5355\u7ebf\u7a0b\u5904\u7406\u7684\u7f3a\u70b9\uff1f<\/h3>\n

1.\u8017\u65f6\u7684\u547d\u4ee4\u4f1a\u5bfc\u81f4\u5e76\u53d1\u7684\u4e0b\u964d\uff0c\u4e0d\u53ea\u662f\u8bfb\u5e76\u53d1\uff0c\u5199\u5e76\u53d1\u4e5f\u4f1a\u4e0b\u964d<\/p>\n

2.\u65e0\u6cd5\u53d1\u6325\u591a\u6838CPU\u6027\u80fd\uff0c\u4e0d\u8fc7\u53ef\u4ee5\u901a\u8fc7\u5728\u5355\u673a\u5f00\u591a\u4e2aRedis\u5b9e\u4f8b\u6765\u5b8c\u5584<\/p>\n

4\u3001Redis\u4e0d\u5b58\u5728\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\uff1f<\/h3>\n

Redis\u91c7\u7528\u4e86\u7ebf\u7a0b\u5c01\u95ed\u7684\u65b9\u5f0f\uff0c\u628a\u4efb\u52a1\u5c01\u95ed\u5728\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u81ea\u7136\u907f\u514d\u4e86\u7ebf\u7a0b\u5b89\u5168\u95ee\u9898\uff0c\u4e0d\u8fc7\u5bf9\u4e8e\u9700\u8981\u4f9d\u8d56\u591a\u4e2aredis\u64cd\u4f5c\uff08\u5373\uff1a\u591a\u4e2aRedis\u64cd\u4f5c\u547d\u4ee4\uff09\u7684\u590d\u5408\u64cd\u4f5c\u6765\u8bf4\uff0c\u4f9d\u7136\u9700\u8981\u9501\uff0c\u800c\u4e14\u6709\u53ef\u80fd\u662f\u5206\u5e03\u5f0f\u9501\u3002<\/p>\n

\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u5173\u4e8eRedis\u5355\u7ebf\u7a0b\u7684\u6b63\u786e\u7406\u89e3\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8eredis\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n

\u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1a\u811a\u672c\u4e4b\u5bb6 \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb \u5220\u9664 <\/p>\n

\n
\n <\/dt>\n
\n \u8be6\u89e3redis\u5206\u5e03\u5f0f\u9501(\u4f18\u5316redis\u5206\u5e03\u5f0f\u9501\u7684\u8fc7\u7a0b\u53caRedisson\u4f7f\u7528)\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n redis\u4e2dRedissonLock\u5982\u4f55\u5b9e\u73b0\u7b49\u5f85\u9501\u7684\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

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