<\/b> <\/p>\nRedisCluster\u662f\u4ec0\u4e48\uff1f\u4e00\u8d77\u804a\u804a<\/h1>\n
<\/i>\u6536\u85cf<\/span> <\/p>\n \u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aRedisCluster\u662f\u4ec0\u4e48\uff1f\u4e00\u8d77\u804a\u804a\u300b\uff0c\u8986\u76d6\u4e86\u6570\u636e\u5e93\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n<\/p>\n 1 \u96c6\u7fa4\u7684\u610f\u4e49<\/span><\/strong> \u4e3b\u8981\u6709\u5982\u4e0b\u7ef4\u5ea6\uff1a<\/p>\n \u4e1a\u52a1<\/p>\n<\/li>\n \u8ffd\u6c42\u66f4\u9ad8QPS<\/p>\n<\/li>\n \u6570\u636e\u91cf<\/p>\n<\/li>\n Scale Up\u5df2\u7ecf\u65e0\u6cd5\u6ee1\u8db3\uff0c\u8d85\u8fc7\u4e86\u5355\u673a\u6781\u9650\uff0c\u8003\u8651Scale Out\u5206\u5e03\u5f0f<\/p>\n<\/li>\n \u7f51\u7edc\u6d41\u91cf<\/p>\n<\/li>\n \u4e1a\u52a1\u6d41\u91cf\u8d85\u8fc7\u670d\u52a1\u5668\u7f51\u5361\u4e0a\u9650\uff0c\u8003\u8651\u5206\u5e03\u5f0f\u5206\u6d41<\/p>\n<\/li>\n \u79bb\u7ebf\u8ba1\u7b97<\/p>\n<\/li>\n \u9700\u8981\u4e2d\u95f4\u73af\u8282\u7f13\u51b2\u7b49\u9700\u6c42<\/p>\n<\/li>\n<\/ul>\n 2 meet<\/span><\/strong> CLUSTER MEET\u547d\u4ee4\u88ab\u7528\u6765\u8fde\u63a5\u4e0d\u540c\u7684\u5f00\u542f\u96c6\u7fa4\u652f\u6301\u7684 Redis \u8282\u70b9\uff0c\u4ee5\u8fdb\u5165\u5de5\u4f5c\u96c6\u7fa4\u3002<\/p>\n 2.1 \u57fa\u672c\u601d\u60f3<\/strong> \u56e0\u6b64\uff0c\u4e3a\u4e86\u4f7f\u7ed9\u5b9a\u8282\u70b9\u80fd\u5c06\u53e6\u4e00\u4e2a\u8282\u70b9\u63a5\u6536\u5230\u7ec4\u6210 Redis Cluster \u7684\u8282\u70b9\u5217\u8868\u4e2d\uff0c\u8fd9\u91cc\u53ea\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a<\/p>\n \u7cfb\u7edf\u7ba1\u7406\u5458\u53d1\u9001\u4e00\u4e2aCLUSTER MEET\u547d\u4ee4\u5f3a\u5236\u4e00\u4e2a\u8282\u70b9\u4f1a\u89c1\u53e6\u4e00\u4e2a\u8282\u70b9<\/p>\n<\/li>\n \u4e00\u4e2a\u5df2\u77e5\u8282\u70b9\u53d1\u9001\u4e00\u4e2a\u4fdd\u5b58\u5728 gossip \u90e8\u5206\u7684\u8282\u70b9\u5217\u8868\uff0c\u5305\u542b\u7740\u672a\u77e5\u8282\u70b9\u3002\u5982\u679c\u63a5\u6536\u7684\u8282\u70b9\u5df2\u7ecf\u5c06\u53d1\u9001\u8282\u70b9\u4fe1\u4efb\u4e3a\u5df2\u77e5\u8282\u70b9\uff0c\u5b83\u4f1a\u5904\u7406 gossip \u90e8\u5206\u5e76\u4e14\u53d1\u9001\u4e00\u4e2a\u63e1\u624b\u6d88\u606f\u7ed9\u672a\u77e5\u7684\u8282\u70b9\u3002<\/p>\n<\/li>\n<\/ol>\n Redis Cluster \u9700\u8981\u5f62\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u7f51\u7edc\uff08\u6bcf\u4e2a\u8282\u70b9\u90fd\u8fde\u63a5\u7740\u5176\u4ed6\u6bcf\u4e2a\u8282\u70b9\uff09\uff0c\u4f46\u4e3a\u521b\u5efa\u4e00\u4e2a\u96c6\u7fa4\uff0c\u4e0d\u9700\u8981\u53d1\u9001\u5f62\u6210\u7f51\u7edc\u6240\u9700\u7684\u6240\u6709CLUSTER MEET\u547d\u4ee4\u3002\u53d1\u9001CLUSTER MEET\u6d88\u606f\u4ee5\u4fbf\u6bcf\u4e2a\u8282\u70b9\u80fd\u591f\u5230\u8fbe\u5176\u4ed6\u6bcf\u4e2a\u8282\u70b9\u53ea\u9700\u901a\u8fc7\u4e00\u6761\u5df2\u77e5\u7684\u8282\u70b9\u94fe\u5c31\u591f\u4e86\u3002\u7531\u4e8e\u5728\u5fc3\u8df3\u5305\u4e2d\u4f1a\u4ea4\u6362 gossip \u4fe1\u606f\uff0c\u5c06\u4f1a\u521b\u5efa\u8282\u70b9\u95f4\u7f3a\u5931\u7684\u94fe\u63a5\u3002<\/p>\n \u6240\u4ee5\uff0c\u5982\u679c\u6211\u4eec\u901a\u8fc7CLUSTER MEET\u94fe\u63a5\u8282\u70b9 A \u548c B \uff0c\u5e76\u4e14 B \u548c C \u6709\u94fe\u63a5\uff0c\u90a3\u4e48\u8282\u70b9 A \u548c C \u4f1a\u53d1\u73b0\u4ed6\u4eec\u63e1\u624b\u548c\u521b\u5efa\u94fe\u63a5\u7684\u65b9\u6cd5\u3002<\/p>\n 2.2 \u6848\u4f8b<\/strong> \u7531\u4e8e A \u77e5\u9053\u53ca\u88ab\u5176\u4ed6\u6240\u6709\u8282\u70b9\u77e5\u9053\uff0c\u5b83\u5c06\u4f1a\u5728\u53d1\u9001\u7684\u5fc3\u8df3\u5305\u4e2d\u5305\u542bgossip\u90e8\u5206\uff0c\u8fd9\u5c06\u5141\u8bb8\u5176\u4ed6\u6bcf\u4e2a\u8282\u70b9\u5f7c\u6b64\u90fd\u521b\u5efa\u4e00\u4e2a\u94fe\u63a5\uff0c\u5373\u4f7f\u96c6\u7fa4\u5f88\u5927\uff0c\u4e5f\u80fd\u5728\u6570\u79d2\u5185\u5f62\u6210\u4e00\u4e2a\u5b8c\u6574\u7f51\u7edc\u3002<\/p>\n CLUSTER MEET\u65e0\u9700\u76f8\u4e92\u6267\u884c\uff0c\u5373\u82e5\u53d1\u9001\u547d\u4ee4\u7ed9 A \u4ee5\u52a0\u5165B \uff0c\u90a3\u5c31\u4e0d\u5fc5\u4e5f\u53d1\u9001\u7ed9 B \u4ee5\u52a0\u5165 A\u3002<\/p>\n 2.3 \u5b9e\u73b0\u7ec6\u8282\uff1aMEET \u548c PING \u5305<\/strong> 3 \u6307\u6d3e\u69fd<\/span><\/strong><\/p>\n \u628a16384\u4e2a\u69fd\u5e73\u5206\u7ed9\u8282\u70b9\u7ba1\u7406\uff0c\u6bcf\u4e2a\u8282\u70b9\u53ea\u5bf9\u81ea\u5df1\u8d1f\u8d23\u7684\u69fd\u8fdb\u884c\u8bfb\u5199<\/p>\n<\/li>\n \u6bcf\u4e2a\u8282\u70b9\u95f4\u90fd\u76f8\u4e92\u901a\u4fe1\uff0c\u6240\u4ee5\u6bcf\u4e2a\u8282\u70b9\u90fd\u77e5\u9053\u5176\u5b83\u8282\u70b9\u6240\u7ba1\u7406\u69fd\u7684\u8303\u56f4<\/p>\n<\/li>\n<\/ul>\n<\/p>\n \u5ba2\u6237\u7aef\u4e0e\u6307\u6d3e\u69fd<\/p>\n<\/p>\n 4 \u96c6\u7fa4\u4f38\u7f29<\/span><\/strong> 4.1 \u52a0\u5165\u65b0\u8282\u70b9<\/strong> \u51c6\u5907\u65b0\u8282\u70b9<\/p>\n<\/li>\n<\/ul>\n \u542f\u52a8\u4e00\u4e2a\u96c6\u7fa4\u6a21\u5f0f\u4e0b\u7684Redis\u8282\u70b9<\/p>\n \u52a0\u5165\u96c6\u7fa4<\/p>\n<\/li>\n<\/ul>\n \u901a\u8fc7\u4e0e\u4efb\u610f\u4e00\u96c6\u7fa4\u4e2d\u7684\u8282\u70b9\u63e1\u624b\u52a0\u5165\u65b0\u8282\u70b9<\/p>\n \u8fc1\u79fbslot\u5230\u65b0\u8282\u70b9<\/p>\n<\/li>\n<\/ul>\n \u518d\u5411\u65b0\u8282\u70b9\u5206\u914d\u5b83\u8d1f\u8d23\u7684slot\u5e76\u5411\u5176\u8fc1\u79fbslot\u5bf9\u5e94\u6570\u636e\u3002<\/p>\n \u7531\u4e8eRedis\u91c7\u7528Gossip\u534f\u8bae\uff0c\u6240\u4ee5\u53ef\u8ba9\u65b0\u8282\u70b9\u4e0e\u4efb\u4e00\u73b0\u6709\u96c6\u7fa4\u8282\u70b9\u63e1\u624b\uff0c\u4e00\u6bb5\u65f6\u95f4\u540e\u6574\u4e2a\u96c6\u7fa4\u90fd\u4f1a\u77e5\u9053\u52a0\u5165\u4e86\u65b0\u8282\u70b9\u3002<\/p>\n 4.1.1 \u6848\u4f8b<\/strong> Redis\u96c6\u7fa4\u5e76\u6ca1\u6709\u4e00\u4e2a\u81ea\u52a8\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u7684\u5de5\u5177\uff0c\u628a\u591a\u5c11slots\u4ece\u54ea\u4e2a\u8282\u70b9\u8fc1\u79fb\u5230\u54ea\u4e2a\u8282\u70b9\u5b8c\u5168\u662f\u7531\u7528\u6237\u6307\u5b9a\u3002<\/p>\n<\/p>\n<\/p>\n \u8fc1\u79fb\u6570\u636e\u7684\u6d41\u7a0b\u56fe<\/p>\n<\/p>\n \u8fc1\u79fbkey\u53ef\u4ee5\u7528pipeline\u8fdb\u884c\u6279\u91cf\u7684\u8fc1\u79fb\u3002<\/p>\n \u5bf9\u4e8e\u6269\u5bb9\uff0c\u539f\u7406\u5df2\u7ecf\u5f88\u6e05\u6670\u4e86\uff0c\u81f3\u4e8e\u5177\u4f53\u64cd\u4f5c\uff0c\u7f51\u4e0a\u5f88\u591a\u3002 5 \u5ba2\u6237\u7aef\u8def\u7531<\/span><\/strong> \u6bcf\u4e2a\u8282\u70b9\u901a\u4fe1\u5171\u4eabRedis Cluster\u4e2d\u69fd\u548c\u96c6\u7fa4\u4e2d\u5bf9\u5e94\u8282\u70b9\u7684\u5173\u7cfb\u3002<\/p>\n \u5ba2\u6237\u7aef\u5411Redis Cluster\u7684\u4efb\u4e00\u8282\u70b9\u53d1\u9001\u547d\u4ee4<\/p>\n<\/li>\n \u63a5\u6536\u547d\u4ee4\u7684\u8282\u70b9\u518d\u8ba1\u7b97\u81ea\u5df1\u7684\u69fd\u548c\u5bf9\u5e94\u8282\u70b9<\/p>\n<\/li>\n<\/ol>\n 1.\u5982\u679c\u4fdd\u5b58\u6570\u636e\u7684\u69fd\u88ab\u5206\u914d\u7ed9\u5f53\u524d\u8282\u70b9\uff0c\u5219\u53bb\u69fd\u4e2d\u6267\u884c\u547d\u4ee4\uff0c\u5e76\u628a\u547d\u4ee4\u6267\u884c\u7ed3\u679c\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef<\/p>\n<\/p>\n 2.\u5982\u679c\u4fdd\u5b58\u6570\u636e\u7684\u69fd\u4e0d\u5728\u5f53\u524d\u8282\u70b9\u7684\u7ba1\u7406\u8303\u56f4\u5185\uff0c\u5219\u5411\u5ba2\u6237\u7aef\u8fd4\u56demoved\u91cd\u5b9a\u5411\u5f02\u5e38<\/p>\n 3.\u5ba2\u6237\u7aef\u63a5\u6536\u5230\u8282\u70b9\u8fd4\u56de\u7684\u7ed3\u679c\uff0c\u5982\u679c\u662fmoved\u5f02\u5e38\uff0c\u5219\u4ecemoved\u5f02\u5e38\u4e2d\u83b7\u53d6\u76ee\u6807\u8282\u70b9\u7684\u4fe1\u606f<\/p>\n 4.\u5ba2\u6237\u7aef\u5411\u76ee\u6807\u8282\u70b9\u53d1\u9001\u547d\u4ee4\uff0c\u83b7\u53d6\u547d\u4ee4\u6267\u884c\u7ed3\u679c<\/p>\n \u5ba2\u6237\u7aef\u4e0d\u4f1a\u81ea\u52a8\u627e\u5230\u76ee\u6807\u8282\u70b9\u6267\u884c\u547d\u4ee4\uff0c\u9700\u8981\u4e8c\u6b21\u6267\u884c<\/p>\n 5.2 ask\u91cd\u5b9a\u5411<\/strong> \u5f53\u5ba2\u6237\u7aef\u8bbf\u95ee\u67d0key\uff0c\u8282\u70b9\u544a\u8bc9\u5ba2\u6237\u7aefkey\u5728\u6e90\u8282\u70b9\uff0c\u518d\u53bb\u6e90\u8282\u70b9\u8bbf\u95ee\u65f6\uff0c\u5374\u53d1\u73b0key\u5df2\u8fc1\u79fb\u5230\u76ee\u6807\u8282\u70b9\uff0c\u5c31\u4f1a\u8fd4\u56deask\u3002<\/p>\n<\/p>\n \u5ba2\u6237\u7aef\u5411\u76ee\u6807\u8282\u70b9\u53d1\u9001\u547d\u4ee4\uff0c\u76ee\u6807\u8282\u70b9\u4e2d\u7684\u69fd\u5df2\u7ecf\u8fc1\u79fb\u5230\u5176\u5b83\u8282\u70b9<\/p>\n<\/li>\n \u76ee\u6807\u8282\u70b9\u4f1a\u8fd4\u56deask\u8f6c\u5411\u7ed9\u5ba2\u6237\u7aef<\/p>\n<\/li>\n \u5ba2\u6237\u7aef\u5411\u65b0\u8282\u70b9\u53d1\u9001Asking\u547d\u4ee4<\/p>\n<\/li>\n \u518d\u5411\u65b0\u8282\u70b9\u53d1\u9001\u547d\u4ee4<\/p>\n<\/li>\n \u65b0\u8282\u70b9\u6267\u884c\u547d\u4ee4\uff0c\u628a\u547d\u4ee4\u6267\u884c\u7ed3\u679c\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef<\/p>\n<\/li>\n<\/ol>\n \u4e3a\u4ec0\u4e48\u4e0d\u80fd\u7b80\u5355\u4f7f\u7528MOVED\u91cd\u5b9a\u5411\uff1f<\/span><\/strong> \u4e4b\u6240\u4ee5\u9700\u8981\u8fd9\u6837\u505a\uff0c\u662f\u56e0\u4e3a\u4e0b\u4e00\u4e2a\u5173\u4e8e\u54c8\u5e0c\u69fd\u7684\u67e5\u8be2\u53ef\u80fd\u662f\u5173\u4e8e\u4ecd\u5728A\u4e2d\u7684\u952e\u7684\uff0c\u56e0\u6b64\u6211\u4eec\u59cb\u7ec8\u5e0c\u671b\u5ba2\u6237\u7aef\u5c1d\u8bd5A\uff0c\u7136\u540e\u5728\u9700\u8981\u65f6\u5c1d\u8bd5B\u3002\u7531\u4e8e\u53ea\u670916384\u4e2a\u53ef\u7528\u7684\u54c8\u5e0c\u69fd\u4e2d\u6709\u4e00\u4e2a\u53d1\u751f\uff0c\u56e0\u6b64\u7fa4\u96c6\u4e0a\u7684\u6027\u80fd\u4e0b\u964d\u662f\u53ef\u4ee5\u63a5\u53d7\u7684\u3002<\/p>\n 5.3 moved V.S ask<\/strong> moved\uff1a\u69fd\u5df2\u7ecf\u786e\u5b9a\u8f6c\u79fb<\/p>\n<\/li>\n ask\uff1a\u69fd\u8fd8\u5728\u8fc1\u79fb\u4e2d<\/p>\n<\/li>\n<\/ul>\n 5.4 smart\u667a\u80fd\u5ba2\u6237\u7aef<\/strong> \u8bbe\u8ba1\u601d\u8def<\/span><\/strong><\/p>\n \u4ece\u96c6\u7fa4\u4e2d\u9009\u4e00\u4e2a\u53ef\u8fd0\u884c\u8282\u70b9\uff0c\u4f7f\u7528Cluster slots\u521d\u59cb\u5316\u69fd\u548c\u8282\u70b9\u6620\u5c04<\/p>\n<\/li>\n \u5c06Cluster slots\u7684\u7ed3\u679c\u6620\u5c04\u5728\u672c\u5730\uff0c\u4e3a\u6bcf\u4e2a\u8282\u70b9\u521b\u5efaJedisPool\uff0c\u7136\u540e\u5c31\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u8bfb\u5199\u64cd\u4f5c<\/p>\n<\/li>\n<\/ul>\n \u6ce8\u610f\u4e8b\u9879<\/span><\/strong><\/p>\n \u6bcf\u4e2aJedisPool\u4e2d\u7f13\u5b58\u4e86slot\u548c\u8282\u70b9node\u7684\u5173\u7cfb<\/p>\n<\/li>\n key\u548cslot\u7684\u5173\u7cfb\uff1a\u5bf9key\u8fdb\u884cCRC16\u89c4\u5219\u8fdb\u884chash\u540e\u4e0e16383\u53d6\u4f59\u5f97\u5230\u7684\u7ed3\u679c\u5c31\u662f\u69fd<\/p>\n<\/li>\n JedisCluster\u542f\u52a8\u65f6\uff0c\u5df2\u7ecf\u77e5\u9053key,slot\u548cnode\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u53ef\u4ee5\u627e\u5230\u76ee\u6807\u8282\u70b9<\/p>\n<\/li>\n JedisCluster\u5bf9\u76ee\u6807\u8282\u70b9\u53d1\u9001\u547d\u4ee4\uff0c\u76ee\u6807\u8282\u70b9\u76f4\u63a5\u54cd\u5e94\u7ed9JedisCluster<\/p>\n<\/li>\n \u5982\u679cJedisCluster\u4e0e\u76ee\u6807\u8282\u70b9\u8fde\u63a5\u51fa\u9519\uff0c\u5219JedisCluster\u4f1a\u77e5\u9053\u8fde\u63a5\u7684\u8282\u70b9\u662f\u4e00\u4e2a\u9519\u8bef\u7684\u8282\u70b9<\/p>\n<\/li>\n \u6b64\u65f6JedisCluster\u4f1a\u968f\u673a\u8282\u70b9\u53d1\u9001\u547d\u4ee4\uff0c\u968f\u673a\u8282\u70b9\u8fd4\u56demoved\u5f02\u5e38\u7ed9JedisCluster<\/p>\n<\/li>\n JedisCluster\u4f1a\u91cd\u65b0\u521d\u59cb\u5316slot\u4e0enode\u8282\u70b9\u7684\u7f13\u5b58\u5173\u7cfb\uff0c\u7136\u540e\u5411\u65b0\u7684\u76ee\u6807\u8282\u70b9\u53d1\u9001\u547d\u4ee4\uff0c\u76ee\u6807\u547d\u4ee4\u6267\u884c\u547d\u4ee4\u5e76\u5411JedisCluster\u54cd\u5e94<\/p>\n<\/li>\n \u5982\u679c\u547d\u4ee4\u53d1\u9001\u6b21\u6570\u8d85\u8fc75\u6b21\uff0c\u5219\u629b\u51fa\u5f02\u5e38”Too many cluster redirection!”<\/p>\n<\/li>\n \u57fa\u672c\u56fe\u793a<\/p>\n<\/li>\n<\/ul>\n<\/p>\n \u5168\u9762\u56fe\u793a<\/p>\n<\/p>\n 6 \u6279\u91cf\u64cd\u4f5c<\/span><\/strong> Redis Cluster\u4e0d\u540c\u4e8eRedis \u5355\u8282\u70b9\uff0c\u751a\u81f3\u548c\u4e00\u4e2a Sentinel \u76d1\u63a7\u7684\u4e3b\u4ece\u6a21\u5f0f\u4e5f\u4e0d\u4e00\u6837\u3002\u4e3b\u8981\u662f\u56e0\u4e3a\u96c6\u7fa4\u81ea\u52a8\u5206\u7247\uff0c\u5c06\u4e00\u4e2akey \u6620\u5c04\u523016384\u69fd\u4e4b\u4e00\uff0c\u8fd9\u4e9b\u69fd\u5206\u5e03\u5728\u591a\u8282\u3002\u56e0\u6b64\u64cd\u4f5c\u591a key \u7684\u547d\u4ee4\u5fc5\u987b\u4fdd\u8bc1\u6240\u6709\u7684key\u90fd\u6620\u5c04\u540c\u4e00\u69fd\uff0c\u907f\u514d\u8de8\u69fd\u6267\u884c\u9519\u8bef\u3002 \u5bf9\u4e8e\u5206\u6563\u5728redis\u96c6\u7fa4\u4e2d\u4e0d\u540c\u8282\u70b9\u7684\u6570\u636e\uff0c\u6211\u4eec\u5982\u4f55\u6bd4\u8f83\u9ad8\u6548\u5730\u6279\u91cf\u83b7\u53d6\u6570\u636e\u5462\uff1f<\/p>\n 6.1 \u4e32\u884cmget<\/strong> 6.2 \u4e32\u884cI\/O<\/strong> \u672c\u5730\u5df2\u7f13\u5b58\u4e86\u69fd\u4e0e\u8282\u70b9\u7684\u5bf9\u5e94\u5173\u7cfb\uff0c\u7136\u540e\u5bf9key\u6309\u8282\u70b9\u8fdb\u884c\u5206\u7ec4\uff0c\u6210\u7acb\u5b50\u96c6\uff0c\u7136\u540e\u4f7f\u7528pipeline\u628a\u547d\u4ee4\u53d1\u9001\u5230\u5bf9\u5e94\u7684node\uff0c\u9700\u8981nodes\u6b21\u7f51\u7edc\u65f6\u95f4\uff0c\u5927\u5927\u51cf\u5c11\u4e86\u7f51\u7edc\u65f6\u95f4\u5f00\u9500\u3002<\/p>\n<\/p>\n 6.3 \u5e76\u884cI\/O<\/strong> 6.4 hash_tag<\/strong> \u662f\u5426\u80fd\u50cf\u5355\u673a\uff0c\u4e00\u6b21IO\u5c06\u6240\u6709key\u53d6\u51fa\u5462\uff1fhash-tag\u63d0\u4f9b\u4e86\u8fd9\u6837\u529f\u80fd\uff1a\u82e5\u5c06\u4e0a\u8ff0key\u6539\u4e3a\u5982\u4e0b\uff0c\u5373\u5927\u62ec\u53f7\u62ec\u8d77\u6765\u76f8\u540c\u7684\u5185\u5bb9\uff0c\u4fdd\u8bc1\u6240\u6709\u7684key\u53ea\u5411\u4e00\u4e2anode\u8bf7\u6c42\u6570\u636e\uff0c\u8fd9\u6837\u6267\u884c\u7c7b\u4f3cmget\u547d\u4ee4\u53ea\u9700\u8981\u53bb\u4e00\u4e2a\u8282\u70b9\u83b7\u53d6\u6570\u636e\u5373\u53ef\uff0c\u6548\u7387\u66f4\u9ad8\u3002<\/p>\n<\/p>\n 6.5 \u9009\u578b\u5bf9\u6bd4<\/strong><\/p>\n<\/p>\n \u7b2c\u4e00\u79cd\u65b9\u5f0f\uff0c\u4f7f\u7528\u591a\u7ebf\u7a0b\u89e3\u51b3\u6279\u91cf\u95ee\u9898\uff0c\u51cf\u5c11\u5e26\u5bbd\u65f6\u5ef6\uff0c\u63d0\u9ad8\u6548\u7387\uff0c\u8fd9\u79cd\u505a\u6cd5\u5c31\u5982\u4e0a\u9762\u6240\u8bf4\u7b80\u5355\u4fbf\u6377\uff08\u6211\u4eec\u76ee\u524d\u6279\u91cf\u64cd\u4f5c\u7c7b\u578b\u6bd4\u8f83\u591a\uff09\uff0c\u6709\u6548\u3002\u4f46\u95ee\u9898\u6bd4\u8f83\u660e\u663e\u3002\u6279\u91cf\u64cd\u4f5c\u6570\u91cf\u4e0d\u5927\u5373\u53ef\u6ee1\u8db3\u3002\u641c\u72d0\u7684cachecloud\u91c7\u7528\u7b2c\u4e8c\u70b9\uff0c\u5148\u5c06key\u83b7\u53d6\u69fd\u70b9\uff0c\u7136\u540e\u5206node pipeline\u64cd\u4f5c\u3002\u8fd9\u79cd\u505a\u6cd5\u76f8\u5bf9\u6bd4\u7b2c\u4e00\u79cd\u505a\u6cd5\u8f83\u4f18\u3002<\/p>\n 7 \u6545\u969c\u8f6c\u79fb<\/span><\/strong> \u6545\u969c\u53d1\u73b0\u5c31\u662f\u901a\u8fc7\u8fd9\u79cd\u6a21\u5f0f\u6765\u5b9e\u73b0\uff0c\u5206\u4e3a\u4e3b\u89c2\u4e0b\u7ebf\u548c\u5ba2\u89c2\u4e0b\u7ebf\uff1a<\/p>\n 7.1.1 \u4e3b\u89c2\u4e0b\u7ebf<\/strong> \u6d41\u7a0b<\/span><\/strong><\/p>\n<\/p>\n \u8282\u70b9-1\u5b9a\u65f6\u53d1ping\u6d88\u606f\u7ed9\u8282\u70b9-2<\/p>\n<\/li>\n \u82e5\u53d1\u9001\u6210\u529f\uff0c\u4ee3\u8868\u8282\u70b9-2\u6b63\u5e38\u8fd0\u884c\uff0c\u8282\u70b9-2\u4f1a\u54cd\u5e94PONG\u6d88\u606f\u7ed9\u8282\u70b91\uff0c\u8282\u70b91\u66f4\u65b0\u4e0e2\u7684\u6700\u540e\u901a\u4fe1\u65f6\u95f4<\/p>\n<\/li>\n \u82e5\u53d1\u9001\u5931\u8d25\uff0c\u5219\u8282\u70b9-1\u4e0e\u8282\u70b9-2\u95f4\u901a\u4fe1\u5f02\u5e38\u5224\u65ad\u8fde\u63a5\uff0c\u5728\u4e0b\u4e00\u5b9a\u65f6\u4efb\u52a1\u5468\u671f\u65f6\uff0c\u4ecd\u7136\u4f1a\u4e0e\u8282\u70b92\u53d1\u9001ping\u6d88\u606f<\/p>\n<\/li>\n \u82e5\u8282\u70b9-1\u53d1\u73b0\u4e0e\u8282\u70b9-2\u6700\u540e\u901a\u4fe1\u65f6\u95f4\u8d85\u8fc7node-timeout\uff0c\u5219\u628a\u8282\u70b92\u6807\u8bc6\u4e3apfail\u72b6\u6001<\/p>\n<\/li>\n<\/ul>\n 7.1.2 \u5ba2\u89c2\u4e0b\u7ebf<\/strong> \u96c6\u7fa4\u6a21\u5f0f\u4e0b\uff0c\u53ea\u6709\u4e3b\u8282\u70b9(master)\u624d\u6709\u8bfb\u5199\u6743\u9650\u548c\u96c6\u7fa4\u69fd\u7684\u7ef4\u62a4\u6743\u9650\uff0c\u4ece\u8282\u70b9(slave)\u53ea\u6709\u590d\u5236\u7684\u6743\u9650\u3002<\/p>\n \u6d41\u7a0b<\/span><\/strong><\/p>\n<\/p>\n 1.\u67d0\u4e2a\u8282\u70b9\u63a5\u6536\u5230\u5176\u4ed6\u8282\u70b9\u53d1\u9001\u7684ping\u6d88\u606f\uff0c\u5982\u679c\u63a5\u6536\u5230\u7684ping\u6d88\u606f\u4e2d\u5305\u542b\u4e86\u5176\u4ed6pfail\u8282\u70b9\uff0c\u8fd9\u4e2a\u8282\u70b9\u4f1a\u5c06\u4e3b\u89c2\u4e0b\u7ebf\u7684\u6d88\u606f\u5185\u5bb9\u6dfb\u52a0\u5230\u81ea\u8eab\u7684\u6545\u969c\u5217\u8868\u4e2d\uff0c\u6545\u969c\u5217\u8868\u4e2d\u5305\u542b\u4e86\u5f53\u524d\u8282\u70b9\u63a5\u6536\u5230\u7684\u6bcf\u4e00\u4e2a\u8282\u70b9\u5bf9\u5176\u4ed6\u8282\u70b9\u7684\u72b6\u6001\u4fe1\u606f<\/p>\n 2.\u5f53\u524d\u8282\u70b9\u628a\u4e3b\u89c2\u4e0b\u7ebf\u7684\u6d88\u606f\u5185\u5bb9\u6dfb\u52a0\u5230\u81ea\u8eab\u7684\u6545\u969c\u5217\u8868\u4e4b\u540e\uff0c\u4f1a\u5c1d\u8bd5\u5bf9\u6545\u969c\u8282\u70b9\u8fdb\u884c\u5ba2\u89c2\u4e0b\u7ebf\u64cd\u4f5c<\/p>\n<\/p>\n 7.2 \u6545\u969c\u6062\u590d<\/strong> \u8d44\u683c\u68c0\u67e5<\/span><\/strong><\/p>\n \u5bf9\u4ece\u8282\u70b9\u7684\u8d44\u683c\u8fdb\u884c\u68c0\u67e5\uff0c\u53ea\u6709\u96be\u8fc7\u68c0\u67e5\u7684\u4ece\u8282\u70b9\u624d\u53ef\u4ee5\u5f00\u59cb\u8fdb\u884c\u6545\u969c\u6062\u590d<\/p>\n<\/li>\n \u6bcf\u4e2a\u4ece\u8282\u70b9\u68c0\u67e5\u4e0e\u6545\u969c\u4e3b\u8282\u70b9\u7684\u65ad\u7ebf\u65f6\u95f4<\/p>\n<\/li>\n \u8d85\u8fc7cluster-node-timeout * cluster-slave-validity-factor\u6570\u5b57\uff0c\u5219\u53d6\u6d88\u8d44\u683c<\/p>\n<\/li>\n cluster-node-timeout\u9ed8\u8ba4\u4e3a15\u79d2\uff0ccluster-slave-validity-factor\u9ed8\u8ba4\u503c\u4e3a10<\/p>\n<\/li>\n \u5982\u679c\u8fd9\u4e24\u4e2a\u53c2\u6570\u90fd\u4f7f\u7528\u9ed8\u8ba4\u503c\uff0c\u5219\u6bcf\u4e2a\u8282\u70b9\u90fd\u68c0\u67e5\u4e0e\u6545\u969c\u4e3b\u8282\u70b9\u7684\u65ad\u7ebf\u65f6\u95f4\uff0c\u5982\u679c\u8d85\u8fc7150\u79d2\uff0c\u5219\u8fd9\u4e2a\u8282\u70b9\u5c31\u6ca1\u6709\u6210\u4e3a\u66ff\u6362\u4e3b\u8282\u70b9\u7684\u53ef\u80fd\u6027<\/p>\n<\/li>\n<\/ul>\n \u51c6\u5907\u9009\u4e3e\u65f6\u95f4<\/span><\/strong> \u9009\u4e3e\u6295\u7968<\/span><\/strong> \u66ff\u6362\u4e3b\u8282\u70b9<\/span><\/strong><\/p>\n \u5f53\u524d\u4ece\u8282\u70b9\u53d6\u6d88\u590d\u5236\u53d8\u6210\u79bb\u8282\u70b9\u3002(slaveof no one)<\/p>\n<\/li>\n \u6267\u884ccluster del slot\u64a4\u9500\u6545\u969c\u4e3b\u8282\u70b9\u8d1f\u8d23\u7684\u69fd\uff0c\u5e76\u6267\u884ccluster add slot\u628a\u8fd9\u4e9b\u69fd\u5206\u914d\u7ed9\u81ea\u5df1<\/p>\n<\/li>\n \u5411\u96c6\u7fa4\u5e7f\u64ad\u81ea\u5df1\u7684pong\u6d88\u606f\uff0c\u8868\u660e\u5df2\u7ecf\u66ff\u6362\u4e86\u6545\u969c\u4ece\u8282\u70b9<\/p>\n<\/li>\n<\/ul>\n 8 \u5f00\u53d1\u8fd0\u7ef4\u5e38\u89c1\u95ee\u9898<\/span><\/strong> cluster-require-full-coverage\u9ed8\u8ba4\u4e3ayes\uff0c\u5373\u96c6\u7fa4\u4e2d\u6240\u6709\u8282\u70b9\u90fd\u5728\u670d\u52a1\u4e1416384\u4e2a\u69fd\u90fd\u53ef\u7528\uff0c\u96c6\u7fa4\u624d\u4f1a\u63d0\u4f9b\u670d\u52a1\uff0c\u4ee5\u4fdd\u8bc1\u96c6\u7fa4\u5b8c\u6574\u6027\u3002<\/p>\n<\/li>\n \u5f53\u67d0\u8282\u70b9\u6545\u969c\u6216\u8005\u6b63\u5728\u6545\u969c\u8f6c\u79fb\u65f6\u83b7\u53d6\u6570\u636e\u4f1a\u63d0\u793a\uff1a(error)CLUSTERDOWN The cluster is down<\/p>\n<\/li>\n<\/ul>\n \u4f46\u662f\u5927\u591a\u6570\u4e1a\u52a1\u90fd\u65e0\u6cd5\u5bb9\u5fcd\uff0c\u5efa\u8bae\u628acluster-require-full-coverage\u8bbe\u4e3ano<\/p>\n 8.2 \u5e26\u5bbd\u6d88\u8017<\/strong><\/p>\n Redis Cluster\u8282\u70b9\u4e4b\u95f4\u4f1a\u5b9a\u671f\u4ea4\u6362Gossip\u6d88\u606f\uff0c\u4ee5\u53ca\u505a\u4e00\u4e9b\u5fc3\u8df3\u68c0\u6d4b<\/p>\n<\/li>\n \u5b98\u65b9\u5efa\u8baeRedis Cluster\u8282\u70b9\u6570\u91cf\u4e0d\u8981\u8d85\u8fc71000\u4e2a,\u5f53\u96c6\u7fa4\u4e2d\u8282\u70b9\u6570\u91cf\u8fc7\u591a\u65f6\uff0c\u4f1a\u4ea7\u751f\u4e0d\u5bb9\u5ffd\u89c6\u7684\u5e26\u5bbd\u6d88\u8017<\/p>\n<\/li>\n \u6d88\u606f\u53d1\u9001\u9891\u7387\uff1a\u8282\u70b9\u53d1\u73b0\u4e0e\u5176\u4ed6\u8282\u70b9\u6700\u540e\u901a\u4fe1\u65f6\u95f4\u8d85\u8fc7cluster-node-timeout \/2\u65f6\uff0c\u4f1a\u76f4\u63a5\u53d1\u9001PING\u6d88\u606f<\/p>\n<\/li>\n \u6d88\u606f\u6570\u636e\u91cf\uff1aslots\u69fd\u6570\u7ec4(2kb\u7a7a\u95f4)\u548c\u6574\u4e2a\u96c6\u7fa41\/10\u7684\u72b6\u6001\u6570\u636e(10\u4e2a\u8282\u70b9\u72b6\u6001\u6570\u636e\u7ea6\u4e3a1kb)<\/p>\n<\/li>\n \u8282\u70b9\u90e8\u7f72\u7684\u673a\u5668\u89c4\u6a21\uff1a\u96c6\u7fa4\u5206\u5e03\u7684\u673a\u5668\u8d8a\u591a\u4e14\u6bcf\u53f0\u673a\u5668\u5212\u5206\u7684\u8282\u70b9\u6570\u8d8a\u5747\u5300\uff0c\u5219\u96c6\u7fa4\u5185\u6574\u4f53\u7684\u53ef\u7528\u5e26\u5bbd\u8d8a\u9ad8<\/p>\n<\/li>\n<\/ul>\n \u5e26\u5bbd\u4f18\u5316<\/span><\/strong><\/p>\n \u907f\u514d\u4f7f\u7528\u2019\u5927\u2019\u96c6\u7fa4\uff1a\u907f\u514d\u591a\u4e1a\u52a1\u4f7f\u7528\u4e00\u4e2a\u96c6\u7fa4\uff0c\u5927\u4e1a\u52a1\u53ef\u4ee5\u591a\u96c6\u7fa4<\/p>\n<\/li>\n cluster-node-timeout:\u5e26\u5bbd\u548c\u6545\u969c\u8f6c\u79fb\u901f\u5ea6\u7684\u5747\u8861<\/p>\n<\/li>\n \u5c3d\u91cf\u5747\u5300\u5206\u914d\u5230\u591a\u673a\u5668\u4e0a\uff1a\u4fdd\u8bc1\u9ad8\u53ef\u7528\u548c\u5e26\u5bbd<\/p>\n<\/li>\n<\/ul>\n 8.3 Pub\/Sub\u5e7f\u64ad<\/strong><\/p>\n<\/p>\n \u5728\u4efb\u610f\u4e00\u4e2acluster\u8282\u70b9\u6267\u884cpublish\uff0c\u5219\u53d1\u5e03\u7684\u6d88\u606f\u4f1a\u5728\u96c6\u7fa4\u4e2d\u4f20\u64ad\uff0c\u96c6\u7fa4\u4e2d\u7684\u5176\u4ed6\u8282\u70b9\u90fd\u4f1a\u8ba2\u9605\u5230\u6d88\u606f\uff0c\u8fd9\u6837\u8282\u70b9\u7684\u5e26\u5bbd\u7684\u5f00\u9500\u4f1a\u5f88\u5927<\/p>\n<\/li>\n publish\u5728\u96c6\u7fa4\u6bcf\u4e2a\u8282\u70b9\u5e7f\u64ad\uff0c\u52a0\u91cd\u5e26\u5bbd<\/p>\n<\/li>\n<\/ul>\n \u89e3\u51b3\u65b9\u6848<\/span><\/strong> 8.4 \u96c6\u7fa4\u503e\u659c<\/strong> \u6570\u636e\u503e\u659c\u539f\u56e0<\/strong> 2.\u4e0d\u540c\u69fd\u5bf9\u5e94\u952e\u503c\u6570\u91cf\u5dee\u5f02\u6bd4\u8f83\u5927<\/p>\n CRC16\u7b97\u6cd5\u6b63\u5e38\u60c5\u51b5\u4e0b\u6bd4\u8f83\u5747\u5300<\/p>\n<\/li>\n \u53ef\u80fd\u5b58\u5728hash_tag<\/p>\n<\/li>\n cluster countkeysinslot {slot}\u83b7\u53d6\u69fd\u5bf9\u5e94\u952e\u503c\u4e2a\u6570<\/p>\n<\/li>\n<\/ul>\n 3.\u5305\u542bbigkey\uff1a\u4f8b\u5982\u5927\u5b57\u7b26\u4e32\uff0c\u51e0\u767e\u4e07\u7684\u5143\u7d20\u7684hash,set\u7b49<\/p>\n \u5728\u4ece\u8282\u70b9\uff1aredis-cli –bigkeys<\/p>\n<\/li>\n \u4f18\u5316\uff1a\u4f18\u5316\u6570\u636e\u7ed3\u6784<\/p>\n<\/li>\n<\/ul>\n 4.\u5185\u5b58\u76f8\u5173\u914d\u7f6e\u4e0d\u4e00\u81f4<\/p>\n hash-max-ziplist-value\uff1a\u6ee1\u8db3\u4e00\u5b9a\u6761\u4ef6\u60c5\u51b5\u4e0b\uff0chash\u53ef\u4ee5\u4f7f\u7528ziplist<\/p>\n<\/li>\n set-max-intset-entries\uff1a\u6ee1\u8db3\u4e00\u5b9a\u6761\u4ef6\u60c5\u51b5\u4e0b\uff0cset\u53ef\u4ee5\u4f7f\u7528intset<\/p>\n<\/li>\n \u5728\u4e00\u4e2a\u96c6\u7fa4\u5185\u6709\u82e5\u5e72\u4e2a\u8282\u70b9\uff0c\u5f53\u5176\u4e2d\u4e00\u4e9b\u8282\u70b9\u914d\u7f6e\u4e0a\u9762\u4e24\u9879\u4f18\u5316\uff0c\u53e6\u5916\u4e00\u90e8\u5206\u8282\u70b9\u6ca1\u6709\u914d\u7f6e\u4e0a\u9762\u4e24\u9879\u4f18\u5316<\/p>\n<\/li>\n \u5f53\u96c6\u7fa4\u4e2d\u4fdd\u5b58hash\u6216\u8005set\u65f6\uff0c\u5c31\u4f1a\u9020\u6210\u8282\u70b9\u6570\u636e\u4e0d\u5747\u5300<\/p>\n<\/li>\n \u4f18\u5316\uff1a\u5b9a\u671f\u68c0\u67e5\u914d\u7f6e\u4e00\u81f4\u6027<\/p>\n<\/li>\n<\/ul>\n 5.\u8bf7\u6c42\u503e\u659c\uff1a\u70ed\u70b9key<\/p>\n \u91cd\u8981\u7684key\u6216\u8005bigkey<\/p>\n Redis Cluster\u67d0\u4e2a\u8282\u70b9\u6709\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684key\uff0c\u5c31\u4f1a\u5b58\u5728\u70ed\u70b9\u95ee\u9898<\/p>\n \u4f18\u5316<\/span><\/strong><\/p>\n \u907f\u514dbigkey<\/p>\n<\/li>\n \u70ed\u952e\u4e0d\u8981\u7528hash_tag<\/p>\n<\/li>\n \u5f53\u4e00\u81f4\u6027\u4e0d\u9ad8\u65f6\uff0c\u53ef\u4ee5\u7528\u672c\u5730\u7f13\u5b58+ MQ(\u6d88\u606f\u961f\u5217)<\/p>\n<\/li>\n<\/ul>\n 9 \u8bfb\u5199\u5206\u79bb<\/span><\/strong><\/p>\n \u53ea\u8bfb\u8fde\u63a5<\/p>\n<\/li>\n \u96c6\u7fa4\u6a21\u5f0f\u4e0b\uff0c\u4ece\u8282\u70b9\u4e0d\u63a5\u53d7\u4efb\u4f55\u8bfb\u5199\u8bf7\u6c42\u3002<\/p>\n<\/li>\n \u5f53\u5411\u4ece\u8282\u70b9\u6267\u884c\u8bfb\u8bf7\u6c42\u65f6\uff0c\u91cd\u5b9a\u5411\u5230\u8d1f\u8d23\u69fd\u7684\u4e3b\u8282\u70b9<\/p>\n<\/li>\n readonly\u547d\u4ee4\u53ef\u4ee5\u8bfb\uff1a\u8fde\u63a5\u7ea7\u522b\u547d\u4ee4\uff0c\u5f53\u8fde\u63a5\u65ad\u5f00\u4e4b\u540e\uff0c\u9700\u8981\u518d\u6b21\u6267\u884c<\/p>\n<\/li>\n readonlyredis cluster \u9ed8\u8ba4slave \u4e5f\u662f\u4e0d\u80fd\u8bfb\u7684\uff0c\u5982\u679c\u8981\u8bfb\u53d6\uff0c\u9700\u8981\u6267\u884c readonly\uff0c\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<\/li>\n<\/ul>\n \u8bfb\u5199\u5206\u79bb\uff1a\u66f4\u52a0\u590d\u6742\uff08\u6210\u672c\u5f88\u9ad8\uff0c\u5c3d\u91cf\u4e0d\u8981\u4f7f\u7528\uff09<\/p>\n \u540c\u6837\u7684\u95ee\u9898\uff1a\u590d\u5236\u5ef6\u8fdf\uff0c\u8bfb\u53d6\u8fc7\u671f\u6570\u636e\uff0c\u4ece\u8282\u70b9\u6545\u969c<\/p>\n<\/li>\n \u4fee\u6539\u5ba2\u6237\u7aef\uff1acluster slaves {nodeId}<\/p>\n<\/li>\n<\/ul>\n 10 \u96c6\u7fa4\u4f18\u52a3<\/span><\/strong> key\u6279\u91cf\u64cd\u4f5c\u652f\u6301\u6709\u9650\uff1a\u4f8b\u5982mget,mset\u5fc5\u987b\u5728\u4e00\u4e2aslot<\/p>\n<\/li>\n key\u4e8b\u52a1\u548cLua\u652f\u6301\u6709\u9650\uff1a\u64cd\u4f5c\u7684key\u5fc5\u987b\u5728\u4e00\u4e2a\u8282\u70b9<\/p>\n<\/li>\n key\u662f\u6570\u636e\u5206\u533a\u7684\u6700\u5c0f\u7c92\u5ea6\uff1a\u4e0d\u652f\u6301bigkey\u5206\u533a<\/p>\n<\/li>\n \u4e0d\u652f\u6301\u591a\u4e2a\u6570\u636e\u5e93\uff1a\u96c6\u7fa4\u6a21\u5f0f\u4e0b\u53ea\u6709\u4e00\u4e2adb0<\/p>\n<\/li>\n \u590d\u5236\u53ea\u652f\u6301\u4e00\u5c42\uff1a\u4e0d\u652f\u6301\u6811\u5f62\u590d\u5236\u7ed3\u6784<\/p>\n<\/li>\n<\/ul>\n \u96c6\u7fa4\u4e0d\u4e00\u5b9a\u597d<\/p>\n Redis Cluster\u6ee1\u8db3\u5bb9\u91cf\u548c\u6027\u80fd\u7684\u6269\u5c55\u6027\uff0c\u5f88\u591a\u4e1a\u52a1\u2019\u4e0d\u9700\u8981\u2019<\/p>\n<\/li>\n \u5927\u591a\u6570\u65f6\u5ba2\u6237\u7aef\u6027\u80fd\u4f1a\u2019\u964d\u4f4e\u2019<\/p>\n<\/li>\n \u547d\u4ee4\u65e0\u6cd5\u8de8\u8282\u70b9\u4f7f\u7528\uff1amget,keys,scan,flush,sinter\u7b49<\/p>\n<\/li>\n Lua\u548c\u4e8b\u52a1\u65e0\u6cd5\u8de8\u8282\u70b9\u4f7f\u7528<\/p>\n<\/li>\n \u5ba2\u6237\u7aef\u7ef4\u62a4\u66f4\u590d\u6742\uff1aSDK\u548c\u5e94\u7528\u672c\u8eab\u6d88\u8017(\u4f8b\u5982\u66f4\u591a\u7684\u8fde\u63a5\u6c60)<\/p>\n<\/li>\n \u5f88\u591a\u573a\u666fRedis Sentinel\u5df2\u7ecf\u591f\u7528\u4e86<\/p>\n<\/li>\n<\/ul>\n \u53c2\u8003<\/strong><\/p>\n https:\/\/www.slideshare.net\/iammutex\/redis-cluster<\/p>\n https:\/\/zhuanlan.zhihu.com\/p\/105569485<\/p>\n https:\/\/sunweiguo.github.io\/2019\/02\/01\/redis\/Redis-Cluster%E7%90%86%E8%AE%BA%E8%AF%A6%E8%A7%A3\/<\/p>\n https:\/\/redis.io\/topics\/cluster-spec<\/p>\n http:\/\/trumandu.github.io\/2016\/05\/09\/RedisCluster%E6%9E%84%E5%BB%BA%E6%89%B9%E9%87%8F%E6%93%8D%E4%BD%9C%E6%8E%A2%E8%AE%A8\/<\/p>\n <\/p>\n <\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" RedisCluster\u662f\u4ec0\u4e48\uff1f...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201474","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201474","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201474"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201474\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\u4ece\u5355\u673a\u7684\u4e00\u4e3b\u591a\u4ece\u590d\u5236\u67b6\u6784\u5230\u73b0\u5728\u7684\u5206\u5e03\u5f0f\u67b6\u6784<\/p>\n<\/p>\n\n
\u8282\u70b9\u4e4b\u95f4\u5b8c\u6210\u76f8\u4e92\u901a\u4fe1\u7684\u57fa\u7840\uff0c\u6709\u4e00\u5b9a\u7684\u9891\u7387\u548c\u89c4\u5219\u3002<\/p>\n
\u6bcf\u4e2a\u8282\u70b9\u9ed8\u8ba4\u90fd\u662f\u76f8\u4e92\u4e0d\u4fe1\u4efb\u7684\uff0c\u5e76\u4e14\u88ab\u8ba4\u4e3a\u662f\u672a\u77e5\u7684\u8282\u70b9\uff0c\u4ee5\u4fbf\u4e07\u4e00\u56e0\u4e3a\u7cfb\u7edf\u7ba1\u7406\u9519\u8bef\u6216\u5730\u5740\u88ab\u4fee\u6539\uff0c\u800c\u4e0d\u592a\u53ef\u80fd\u5c06\u591a\u4e2a\u4e0d\u540c\u7684\u96c6\u7fa4\u8282\u70b9\u6df7\u6210\u4e00\u4e2a\u96c6\u7fa4\u3002<\/p>\n\n
\u5047\u8bbe\u67d0\u4e00\u96c6\u7fa4\u6709A\u3001B\u3001C\u3001D\u56db\u4e2a\u8282\u70b9\uff0c\u53ef\u4ee5\u53ea\u53d1\u9001\u4ee5\u4e0b\u4e00\u7ec4\u547d\u4ee4\u7ed9 A \uff1a<\/p>\n<\/p>\nCLUSTER MEET B-ip B-port \r\nCLUSTER MEET C-ip C-port \r\nCLUSTER MEET D-ip D-port<\/pre>\n<\/p>\n
\u5f53\u67d0\u4e00\u7ed9\u5b9a\u8282\u70b9\u63a5\u6536\u5230\u4e00\u4e2aMEET\u6d88\u606f\u65f6\uff0c\u547d\u4ee4\u4e2d\u6307\u5b9a\u7684\u8282\u70b9\u4ecd\u4e0d\u77e5\u53d1\u9001\u4e86\u8be5\u547d\u4ee4\uff0c\u6240\u4ee5\u4e3a\u4f7f\u8282\u70b9\u5f3a\u5236\u5c06\u63a5\u6536\u547d\u4ee4\u7684\u8282\u70b9\u5c06\u5b83\u4f5c\u4e3a\u4fe1\u4efb\u7684\u8282\u70b9\u63a5\u53d7\u5b83\uff0c\u5b83\u4f1a\u53d1\u9001MEET\u5305\u800c\u975ePING\u5305\u3002\u4e24\u4e2a\u6d88\u606f\u5305\u6709\u76f8\u540c\u7684\u683c\u5f0f\uff0c\u4f46\u662fMEET\u5f3a\u5236\u4f7f\u63a5\u6536\u6d88\u606f\u5305\u7684\u8282\u70b9\u786e\u8ba4\u53d1\u9001\u6d88\u606f\u5305\u7684\u8282\u70b9\u4e3a\u53ef\u4fe1\u4efb\u7684\u3002<\/p>\n\n
\u96c6\u7fa4\u7684\u4f38\u7f29\u5305\u62ec\u65b0\u8282\u70b9\u7684\u52a0\u5165\u548c\u65e7\u8282\u70b9\u9000\u51fa\u3002<\/p>\n
Redis\u96c6\u7fa4\u52a0\u5165\u65b0\u8282\u70b9\u4e3b\u8981\u5982\u4e0b\u51e0\u6b65\uff1a<\/p>\n\n
\n
\n
\u5411\u5982\u4e0b\u96c6\u7fa4\u4e2d\u65b0\u52a0\u5165\u4e00\u4e2a\u8282\u70b96385\u3002\u7531\u4e8e\u8d1f\u8f7d\u5747\u8861\u7684\u8981\u6c42\uff0c\u52a0\u5165\u540e\u56db\u4e2a\u8282\u70b9\u6bcf\u4e2a\u8282\u70b9\u8d1f\u8d234096\u4e2aslots\uff0c\u4f46\u96c6\u7fa4\u4e2d\u539f\u6765\u7684\u6bcf\u4e2a\u8282\u70b9\u90fd\u8d1f\u8d235462\u4e2aslots\uff0c\u6240\u4ee56379\u30016380\u30016381\u8282\u70b9\u90fd\u9700\u8981\u5411\u65b0\u7684\u8282\u70b96385\u8fc1\u79fb1366\u4e2aslots\u3002<\/p>\n
\u81f3\u4e8e\u7f29\u5bb9\uff0c\u4e5f\u662f\u5148\u624b\u52a8\u5b8c\u6210\u6570\u636e\u8fc1\u79fb\uff0c\u518d\u5173\u95edredis\u3002\u6536\u7f29\u65f6\u5982\u679c\u4e0b\u7ebf\u7684\u8282\u70b9\u6709\u8d1f\u8d23\u7684\u69fd\u9700\u8981\u8fc1\u79fb\u5230\u5176\u4ed6\u8282\u70b9\uff0c\u518d\u901a\u8fc7cluster forget\u547d\u4ee4\u8ba9\u96c6\u7fa4\u5185\u6240\u6709\u8282\u70b9\u5fd8\u8bb0\u88ab\u4e0b\u7ebf\u8282\u70b9<\/p>\n
5.1 moved\u91cd\u5b9a\u5411<\/strong><\/p>\n<\/p>\n\n
\u7531\u4e8e\u96c6\u7fa4\u4f38\u7f29\u65f6\uff0c\u9700\u8981\u6570\u636e\u8fc1\u79fb\u3002<\/p>\n\n
\u56e0\u4e3a\u867d\u7136MOVED\u610f\u5473\u7740\u6211\u4eec\u8ba4\u4e3a\u54c8\u5e0c\u69fd\u7531\u53e6\u4e00\u4e2a\u8282\u70b9\u6c38\u4e45\u63d0\u4f9b\uff0c\u5e76\u4e14\u5e94\u8be5\u5bf9\u6307\u5b9a\u8282\u70b9\u5c1d\u8bd5\u4e0b\u4e00\u4e2a\u67e5\u8be2\uff0c\u6240\u4ee5ASK\u610f\u5473\u7740\u4ec5\u5c06\u4e0b\u4e00\u4e2a\u67e5\u8be2\u53d1\u9001\u5230\u6307\u5b9a\u8282\u70b9\u3002<\/p>\n
\u90fd\u662f\u5ba2\u6237\u7aef\u91cd\u5b9a\u5411<\/p>\n\n
\u76ee\u6807<\/span><\/strong>
\u8ffd\u6c42\u6027\u80fd<\/p>\n\n
\n
mget\u3001mset\u987b\u5728\u540c\u4e00\u69fd\u3002<\/p>\n
\u4e00\u4e2a\u5355\u72ec\u7684\u96c6\u7fa4\u8282\u70b9\uff0c\u53ea\u670d\u52a1\u4e00\u7ec4\u4e13\u7528\u7684keys\uff0c\u8bf7\u6c42\u4e00\u4e2a\u547d\u4ee4\u5230\u4e00\u4e2aServer\uff0c\u53ea\u80fd\u5f97\u5230\u8be5Server\u4e0a\u62e5\u6709keys\u7684\u5bf9\u5e94\u7ed3\u679c\u3002
\u4e00\u4e2a\u975e\u5e38\u7b80\u5355\u7684\u4f8b\u5b50\u662f\u6267\u884cKEYS\u547d\u4ee4\uff0c\u5f53\u53d1\u5e03\u8be5\u547d\u4ee4\u5230\u96c6\u7fa4\u4e2d\u67d0\u8282\u70b9\u65f6\uff0c\u53ea\u80fd\u5f97\u5230\u8be5\u8282\u70b9\u4e0a\u62e5\u6709key\uff0c\u5e76\u975e\u96c6\u7fa4\u4e2d\u6240\u6709key\u3002\u8981\u5f97\u5230\u96c6\u7fa4\u4e2d\u6240\u6709key\uff0c\u5fc5\u987b\u4ece\u96c6\u7fa4\u7684\u6240\u6709\u4e3b\u8282\u70b9\u4e0a\u83b7\u53d6\u6240\u6709key\u3002<\/p>\n
\u5b9a\u4e49for\u5faa\u73af\uff0c\u904d\u5386\u6240\u6709key\uff0c\u5206\u522b\u53bb\u6240\u6709\u7684Redis\u8282\u70b9\u4e2d\u83b7\u53d6\u503c\u5e76\u8fdb\u884c\u6c47\u603b\uff0c\u7b80\u5355\uff0c\u4f46\u6548\u7387\u4e0d\u9ad8\uff0c\u9700n\u6b21\u7f51\u7edc\u65f6\u95f4\u3002<\/p>\n<\/p>\n
\u4f18\u5316\u4e32\u884c\u7684mget\uff0c\u5728\u5ba2\u6237\u7aef\u672c\u5730\u505a\u5185\u805a\uff0c\u5bf9\u6bcf\u4e2akey hash\uff0c\u7136\u540e\u53d6\u4f59\uff0c\u77e5\u9053key\u5bf9\u5e94\u69fd<\/p>\n
\u4f18\u5316\u4e32\u884cIO\uff0c\u5206\u7ec4key\u540e\uff0c\u6839\u636e\u8282\u70b9\u6570\u91cf\u542f\u52a8\u5bf9\u5e94\u7684\u7ebf\u7a0b\u6570\uff0c\u6839\u636e\u591a\u7ebf\u7a0b\u6a21\u5f0f\u5e76\u884c\u5411node\u8282\u70b9\u8bf7\u6c42\u6570\u636e\uff0c\u53ea\u97001\u6b21\u7f51\u7edc\u65f6\u95f4<\/p>\n<\/p>\n
\u4e0d\u505a\u4efb\u4f55\u6539\u53d8\uff0chash\u540e\u5c31\u6bd4\u8f83\u5747\u5300\u5730\u6563\u5728\u6bcf\u4e2a\u8282\u70b9\u4e0a<\/p>\n<\/p>\n
7.1 \u6545\u969c\u53d1\u73b0<\/strong>
Redis Cluster\u901a\u8fc7ping\/pong\u6d88\u606f\u5b9e\u73b0\u6545\u969c\u53d1\u73b0\uff1a\u4e0d\u9700\u8981sentinel\u3002ping\/pong\u4e0d\u4ec5\u80fd\u4f20\u9012\u8282\u70b9\u4e0e\u69fd\u7684\u5bf9\u5e94\u6d88\u606f\uff0c\u4e5f\u80fd\u4f20\u9012\u5176\u4ed6\u72b6\u6001\uff0c\u6bd4\u5982\uff1a\u8282\u70b9\u4e3b\u4ece\u72b6\u6001\uff0c\u8282\u70b9\u6545\u969c\u7b49<\/p>\n
\u5b9a\u4e49
\u67d0\u8282\u70b9\u8ba4\u4e3a\u53e6\u4e00\u8282\u70b9\u4e0d\u53ef\u7528\uff0c\u8fd9\u4ec5\u4ee3\u8868\u4e00\u4e2a\u8282\u70b9\u5bf9\u53e6\u4e00\u8282\u70b9\u7684\u5224\u65ad\uff0c\u4e0d\u4ee3\u8868\u6240\u6709\u8282\u70b9\u7684\u8ba4\u77e5\u3002<\/p>\n\n
\u5b9a\u4e49<\/span><\/strong>
\u5f53\u534a\u6570\u4ee5\u4e0a\u6301\u6709\u69fd\u7684\u4e3b\u8282\u70b9\u90fd\u6807\u8bb0\u67d0\u8282\u70b9\u4e3b\u89c2\u4e0b\u7ebf\u3002\u53ef\u4ee5\u4fdd\u8bc1\u5224\u65ad\u7684\u516c\u5e73\u6027\u3002<\/p>\n
\u4ece\u8282\u70b9\u63a5\u6536\u5230\u5b83\u7684\u4e3b\u8282\u70b9\u5ba2\u89c2\u4e0b\u7ebf\u7684\u901a\u77e5\uff0c\u5219\u8fdb\u884c\u6545\u969c\u6062\u590d\u3002<\/p>\n\n
\u4f7f\u504f\u79fb\u91cf\u6700\u5927\u7684\u4ece\u8282\u70b9\u5177\u5907\u4f18\u5148\u7ea7\u6210\u4e3a\u4e3b\u8282\u70b9\u7684\u6761\u4ef6\u3002<\/p>\n<\/p>\n
\u5bf9\u9009\u4e3e\u51fa\u6765\u7684\u591a\u4e2a\u4ece\u8282\u70b9\u8fdb\u884c\u6295\u7968\uff0c\u9009\u51fa\u65b0\u7684\u4e3b\u8282\u70b9\u3002<\/p>\n<\/p>\n\n
8.1 \u96c6\u7fa4\u5b8c\u6574\u6027<\/strong><\/p>\n\n
\n
\n
\n
\u5355\u72ec\u201c\u8d70\u201d\u4e00\u5957redis sentinel\u3002\u5c31\u662f\u9488\u5bf9\u76ee\u6807\u7684\u51e0\u4e2a\u8282\u70b9\u6784\u5efaredis sentinel\uff0c\u5728\u8fd9\u4e2a\u91cc\u9762\u5b9e\u73b0\u5e7f\u64ad\u3002<\/p>\n
\u5206\u5e03\u5f0f\u6570\u636e\u5e93\u5b58\u5728\u503e\u659c\u95ee\u9898\u662f\u6bd4\u8f83\u5e38\u89c1\u7684\u3002\u96c6\u7fa4\u503e\u659c\u4e5f\u5c31\u662f\u5404\u4e2a\u8282\u70b9\u4f7f\u7528\u7684\u5185\u5b58\u4e0d\u4e00\u81f4<\/p>\n
1.\u8282\u70b9\u548c\u69fd\u5206\u914d\u4e0d\u5747\uff0c\u5982\u679c\u4f7f\u7528redis-trib.rb\u5de5\u5177\u6784\u5efa\u96c6\u7fa4\uff0c\u5219\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u7684\u673a\u4f1a\u4e0d\u591a<\/p>\n<\/p>\nredis-trib.rb info ip:port\u67e5\u770b\u8282\u70b9\uff0c\u69fd\uff0c\u952e\u503c\u5206\u5e03 \r\nredis-trib.rb rebalance ip:port\u8fdb\u884c\u5747\u8861(\u8c28\u614e\u4f7f\u7528)<\/pre>\n<\/p>\n
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\u96c6\u7fa4\u7684\u9650\u5236<\/p>\n\n
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