{"id":201237,"date":"2025-05-10T10:34:29","date_gmt":"2025-05-10T02:34:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201237\/"},"modified":"2025-05-10T10:34:29","modified_gmt":"2025-05-10T02:34:29","slug":"redis-cluster%e9%9b%86%e7%be%a4%e6%95%b0%e6%8d%ae%e5%88%86%e7%89%87%e6%9c%ba%e5%88%b6%e5%8e%9f%e7%90%86","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201237\/","title":{"rendered":"Redis Cluster\u96c6\u7fa4\u6570\u636e\u5206\u7247\u673a\u5236\u539f\u7406"},"content":{"rendered":"

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

Redis Cluster\u96c6\u7fa4\u6570\u636e\u5206\u7247\u673a\u5236\u539f\u7406<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u6765\u5230golang\u5b66\u4e60\u7f51\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6570\u636e\u5e93\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300aRedis Cluster\u96c6\u7fa4\u6570\u636e\u5206\u7247\u673a\u5236\u539f\u7406\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\u96c6\u7fa4\u3001\u5206\u7247\u3001RedisCluster\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n

Redis Cluster\u6570\u636e\u5206\u7247\u673a\u5236<\/strong><\/p>\n

Redis \u96c6\u7fa4\u7b80\u4ecb<\/strong><\/p>\n

Redis Cluster \u662f Redis \u7684\u5206\u5e03\u5f0f\u89e3\u51b3\u65b9\u6848\uff0c\u5728 3.0 \u7248\u672c\u6b63\u5f0f\u63a8\u51fa\uff0c\u6709\u6548\u5730\u89e3\u51b3\u4e86 Redis \u5206\u5e03\u5f0f\u65b9\u9762\u7684\u9700\u6c42\u3002<\/p>\n

Redis Cluster \u4e00\u822c\u7531\u591a\u4e2a\u8282\u70b9\u7ec4\u6210\uff0c\u8282\u70b9\u6570\u91cf\u81f3\u5c11\u4e3a 6 \u4e2a\u624d\u80fd\u4fdd\u8bc1\u7ec4\u6210\u5b8c\u6574\u9ad8\u53ef\u7528\u7684\u96c6\u7fa4\uff0c\u5176\u4e2d\u4e09\u4e2a\u4e3a\u4e3b\u8282\u70b9\uff0c\u4e09\u4e2a\u4e3a\u4ece\u8282\u70b9\u3002\u4e09\u4e2a\u4e3b\u8282\u70b9\u4f1a\u5206\u914d\u69fd\uff0c\u5904\u7406\u5ba2\u6237\u7aef\u7684\u547d\u4ee4\u8bf7\u6c42\uff0c\u800c\u4ece\u8282\u70b9\u53ef\u7528\u5728\u4e3b\u8282\u70b9\u6545\u969c\u540e\uff0c\u9876\u66ff\u4e3b\u8282\u70b9\u3002<\/p>\n

<\/p>\n

\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u8be5\u96c6\u7fa4\u4e2d\u5305\u542b 6 \u4e2a Redis \u8282\u70b9\uff0c3\u4e3b3\u4ece\uff0c\u5206\u522b\u4e3aM1\uff0cM2\uff0cM3\uff0cS1\uff0cS2\uff0cS3\u3002\u9664\u4e86\u4e3b\u4ece Redis \u8282\u70b9\u4e4b\u95f4\u8fdb\u884c\u6570\u636e\u590d\u5236\u5916\uff0c\u6240\u6709 Redis \u8282\u70b9\u4e4b\u95f4\u91c7\u7528 Gossip \u534f\u8bae\u8fdb\u884c\u901a\u4fe1\uff0c\u4ea4\u6362\u7ef4\u62a4\u8282\u70b9\u5143\u6570\u636e\u4fe1\u606f\u3002<\/p>\n

\u4e00\u822c\u6765\u8bf4\uff0c\u4e3b Redis \u8282\u70b9\u4f1a\u5904\u7406 Clients \u7684\u8bfb\u5199\u64cd\u4f5c\uff0c\u800c\u4ece\u8282\u70b9\u53ea\u5904\u7406\u8bfb\u64cd\u4f5c\u3002<\/p>\n

\u6570\u636e\u5206\u7247\u7b56\u7565<\/strong><\/p>\n

\u5206\u5e03\u5f0f\u6570\u636e\u5b58\u50a8\u65b9\u6848\u4e2d\u6700\u4e3a\u91cd\u8981\u7684\u4e00\u70b9\u5c31\u662f\u6570\u636e\u5206\u7247\uff0c\u4e5f\u5c31\u662f\u6240\u8c13\u7684 Sharding\u3002<\/p>\n

\u4e3a\u4e86\u4f7f\u5f97\u96c6\u7fa4\u80fd\u591f\u6c34\u5e73\u6269\u5c55\uff0c\u9996\u8981\u89e3\u51b3\u7684\u95ee\u9898\u5c31\u662f\u5982\u4f55\u5c06\u6574\u4e2a\u6570\u636e\u96c6\u6309\u7167\u4e00\u5b9a\u7684\u89c4\u5219\u5206\u914d\u5230\u591a\u4e2a\u8282\u70b9\u4e0a\uff0c\u5e38\u7528\u7684\u6570\u636e\u5206\u7247\u7684\u65b9\u6cd5\u6709\uff1a\u8303\u56f4\u5206\u7247\uff0c\u54c8\u5e0c\u5206\u7247\uff0c\u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\u548c\u865a\u62df\u54c8\u5e0c\u69fd\u7b49\u3002<\/p>\n

\u8303\u56f4\u5206\u7247\u5047\u8bbe\u6570\u636e\u96c6\u662f\u6709\u5e8f\uff0c\u5c06\u987a\u5e8f\u76f8\u4e34\u8fd1\u7684\u6570\u636e\u653e\u5728\u4e00\u8d77\uff0c\u53ef\u4ee5\u5f88\u597d\u7684\u652f\u6301\u904d\u5386\u64cd\u4f5c\u3002\u8303\u56f4\u5206\u7247\u7684\u7f3a\u70b9\u662f\u9762\u5bf9\u987a\u5e8f\u5199\u65f6\uff0c\u4f1a\u5b58\u5728\u70ed\u70b9\u3002\u6bd4\u5982\u65e5\u5fd7\u7c7b\u578b\u7684\u5199\u5165\uff0c\u4e00\u822c\u65e5\u5fd7\u7684\u987a\u5e8f\u90fd\u662f\u548c\u65f6\u95f4\u76f8\u5173\u7684\uff0c\u65f6\u95f4\u662f\u5355\u8c03\u9012\u589e\u7684\uff0c\u56e0\u6b64\u5199\u5165\u7684\u70ed\u70b9\u6c38\u8fdc\u5728\u6700\u540e\u4e00\u4e2a\u5206\u7247\u3002<\/p>\n

<\/p>\n

\u5bf9\u4e8e\u5173\u7cfb\u578b\u7684\u6570\u636e\u5e93\uff0c\u56e0\u4e3a\u7ecf\u5e38\u6027\u7684\u9700\u8981\u8868\u626b\u63cf\u6216\u8005\u7d22\u5f15\u626b\u63cf\uff0c\u57fa\u672c\u4e0a\u90fd\u4f1a\u4f7f\u7528\u8303\u56f4\u7684\u5206\u7247\u7b56\u7565\u3002<\/p>\n

Redis Cluster \u91c7\u7528\u865a\u62df\u54c8\u5e0c\u69fd\u5206\u533a\uff0c\u6240\u6709\u7684\u952e\u6839\u636e\u54c8\u5e0c\u51fd\u6570\u6620\u5c04\u5230 0 ~ 16383 \u6574\u6570\u69fd\u5185\uff0c\u8ba1\u7b97\u516c\u5f0f\uff1aslot = CRC16(key) & 16383\u3002\u6bcf\u4e00\u4e2a\u8282\u70b9\u8d1f\u8d23\u7ef4\u62a4\u4e00\u90e8\u5206\u69fd\u4ee5\u53ca\u69fd\u6240\u6620\u5c04\u7684\u952e\u503c\u6570\u636e\u3002<\/p>\n

Redis \u865a\u62df\u69fd\u5206\u533a\u7684\u7279\u70b9\uff1a<\/p>\n

\u89e3\u8026\u6570\u636e\u548c\u8282\u70b9\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u7b80\u5316\u4e86\u8282\u70b9\u6269\u5bb9\u548c\u6536\u7f29\u96be\u5ea6\u3002\u8282\u70b9\u81ea\u8eab\u7ef4\u62a4\u69fd\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u4e0d\u9700\u8981\u5ba2\u6237\u7aef\u6216\u8005\u4ee3\u7406\u670d\u52a1\u7ef4\u62a4\u69fd\u5206\u533a\u5143\u6570\u636e\u652f\u6301\u8282\u70b9\u3001\u69fd\u548c\u952e\u4e4b\u95f4\u7684\u6620\u5c04\u67e5\u8be2\uff0c\u7528\u4e8e\u6570\u636e\u8def\u7531\uff0c\u5728\u7ebf\u96c6\u7fa4\u4f38\u7f29\u7b49\u573a\u666f\u3002<\/p>\n

<\/p>\n

Redis \u96c6\u7fa4\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u8282\u70b9\u6269\u5bb9\u548c\u6536\u7f29\u65b9\u6848\u3002\u5728\u4e0d\u5f71\u54cd\u96c6\u7fa4\u5bf9\u5916\u670d\u52a1\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4e3a\u96c6\u7fa4\u6dfb\u52a0\u8282\u70b9\u8fdb\u884c\u6269\u5bb9\u4e5f\u53ef\u4ee5\u4e0b\u7ebf\u90e8\u5206\u8282\u70b9\u8fdb\u884c\u7f29\u5bb9\u3002\u53ef\u4ee5\u8bf4\uff0c\u69fd\u662f Redis \u96c6\u7fa4\u7ba1\u7406\u6570\u636e\u7684\u57fa\u672c\u5355\u4f4d\uff0c\u96c6\u7fa4\u4f38\u7f29\u5c31\u662f\u69fd\u548c\u6570\u636e\u5728\u8282\u70b9\u4e4b\u95f4\u7684\u79fb\u52a8\u3002<\/p>\n

\u4e0b\u9762\u6211\u4eec\u5c31\u5148\u6765\u770b\u4e00\u4e0b Redis \u96c6\u7fa4\u4f38\u7f29\u7684\u539f\u7406\u3002\u7136\u540e\u518d\u4e86\u89e3\u5f53 Redis \u8282\u70b9\u6570\u636e\u8fc1\u79fb\u8fc7\u7a0b\u4e2d\u6216\u8005\u6545\u969c\u6062\u590d\u65f6\u5982\u4f55\u4fdd\u8bc1\u96c6\u7fa4\u53ef\u7528\u3002<\/p>\n

\u6269\u5bb9\u96c6\u7fa4<\/strong><\/p>\n

\u4e3a\u4e86\u8ba9\u8bfb\u8005\u66f4\u597d\u7684\u7406\u89e3\u4e0a\u7ebf\u8282\u70b9\u65f6\u7684\u6269\u5bb9\u64cd\u4f5c\uff0c\u6211\u4eec\u901a\u8fc7 Redis Cluster \u7684\u547d\u4ee4\u6765\u6a21\u62df\u6574\u4e2a\u8fc7\u7a0b\u3002<\/p>\n

<\/p>\n

\u5f53\u4e00\u4e2a Redis \u65b0\u8282\u70b9\u8fd0\u884c\u5e76\u52a0\u5165\u73b0\u6709\u96c6\u7fa4\u540e\uff0c\u6211\u4eec\u9700\u8981\u4e3a\u5176\u8fc1\u79fb\u69fd\u548c\u6570\u636e\u3002\u9996\u5148\u8981\u4e3a\u65b0\u8282\u70b9\u6307\u5b9a\u69fd\u7684\u8fc1\u79fb\u8ba1\u5212\uff0c\u786e\u4fdd\u8fc1\u79fb\u540e\u6bcf\u4e2a\u8282\u70b9\u8d1f\u8d23\u76f8\u4f3c\u6570\u91cf\u7684\u69fd\uff0c\u4ece\u800c\u4fdd\u8bc1\u8fd9\u4e9b\u8282\u70b9\u7684\u6570\u636e\u5747\u5300\u3002<\/p>\n

\n

1) \u9996\u5148\u542f\u52a8\u4e00\u4e2a Redis \u8282\u70b9\uff0c\u8bb0\u4e3a M4\u3002<\/p>\n

2) \u4f7f\u7528 cluster meet \u547d\u4ee4\uff0c\u8ba9\u65b0 Redis \u8282\u70b9\u52a0\u5165\u5230\u96c6\u7fa4\u4e2d\u3002\u65b0\u8282\u70b9\u521a\u5f00\u59cb\u90fd\u662f\u4e3b\u8282\u70b9\u72b6\u6001\uff0c\u7531\u4e8e\u6ca1\u6709\u8d1f\u8d23\u7684>\u69fd\uff0c\u6240\u4ee5\u4e0d\u80fd\u63a5\u53d7\u4efb\u4f55\u8bfb\u5199\u64cd\u4f5c\uff0c\u540e\u7eed\u6211\u4eec\u5c31\u7ed9\u4ed6\u8fc1\u79fb\u69fd\u548c\u586b\u5145\u6570\u636e\u3002<\/p>\n

3) \u5bf9 M4 \u8282\u70b9\u53d1\u9001 cluster setslot { slot } importing { sourceNodeId } \u547d\u4ee4\uff0c\u8ba9\u76ee\u6807\u8282\u70b9\u51c6\u5907\u5bfc\u5165\u69fd\u7684\u6570\u636e\u3002<\/p>\n

4) \u5bf9\u6e90\u8282\u70b9\uff0c\u4e5f\u5c31\u662f M1\uff0cM2\uff0cM3 \u8282\u70b9\u53d1\u9001 cluster setslot { slot } migrating { targetNodeId } \u547d\u4ee4\uff0c\u8ba9\u6e90\u8282>\u70b9\u51c6\u5907\u8fc1\u51fa\u69fd\u7684\u6570\u636e\u3002<\/p>\n

5) \u6e90\u8282\u70b9\u6267\u884c cluster getkeysinslot { slot } { count } \u547d\u4ee4\uff0c\u83b7\u53d6 count \u4e2a\u5c5e\u4e8e\u69fd { slot } \u7684\u952e\uff0c\u7136\u540e\u6267\u884c\u6b65\u9aa4>\u516d\u7684\u64cd\u4f5c\u8fdb\u884c\u8fc1\u79fb\u952e\u503c\u6570\u636e\u3002<\/p>\n

6) \u5728\u6e90\u8282\u70b9\u4e0a\u6267\u884c migrate { targetNodeIp} ” ” 0 { timeout } keys { key… } \u547d\u4ee4\uff0c\u628a\u83b7\u53d6\u7684\u952e\u901a\u8fc7 pipeline \u673a\u5236>\u6279\u91cf\u8fc1\u79fb\u5230\u76ee\u6807\u8282\u70b9\uff0c\u6279\u91cf\u8fc1\u79fb\u7248\u672c\u7684 migrate \u547d\u4ee4\u5728 Redis 3.0.6 \u4ee5\u4e0a\u7248\u672c\u63d0\u4f9b\u3002<\/p>\n

7) \u91cd\u590d\u6267\u884c\u6b65\u9aa4 5 \u548c\u6b65\u9aa4 6 \u76f4\u5230\u69fd\u4e0b\u6240\u6709\u7684\u952e\u503c\u6570\u636e\u8fc1\u79fb\u5230\u76ee\u6807\u8282\u70b9\u3002<\/p>\n

8) \u5411\u96c6\u7fa4\u5185\u6240\u6709\u4e3b\u8282\u70b9\u53d1\u9001 cluster setslot { slot } node { targetNodeId } \u547d\u4ee4\uff0c\u901a\u77e5\u69fd\u5206\u914d\u7ed9\u76ee\u6807\u8282\u70b9\u3002\u4e3a\u4e86>\u4fdd\u8bc1\u69fd\u8282\u70b9\u6620\u5c04\u53d8\u66f4\u53ca\u65f6\u4f20\u64ad\uff0c\u9700\u8981\u904d\u5386\u53d1\u9001\u7ed9\u6240\u6709\u4e3b\u8282\u70b9\u66f4\u65b0\u88ab\u8fc1\u79fb\u7684\u69fd\u6267\u884c\u65b0\u8282\u70b9\u3002<\/p>\n<\/blockquote>\n

\u6536\u7f29\u96c6\u7fa4<\/strong><\/p>\n

\u6536\u7f29\u8282\u70b9\u5c31\u662f\u5c06 Redis \u8282\u70b9\u4e0b\u7ebf\uff0c\u6574\u4e2a\u6d41\u7a0b\u9700\u8981\u5982\u4e0b\u64cd\u4f5c\u6d41\u7a0b\u3002<\/p>\n

1) \u9996\u5148\u9700\u8981\u786e\u8ba4\u4e0b\u7ebf\u8282\u70b9\u662f\u5426\u6709\u8d1f\u8d23\u7684\u69fd\uff0c\u5982\u679c\u662f\uff0c\u9700\u8981\u628a\u69fd\u8fc1\u79fb\u5230\u5176\u4ed6\u8282\u70b9\uff0c\u4fdd\u8bc1\u8282\u70b9\u4e0b\u7ebf\u540e\u6574\u4e2a\u96c6\u7fa4\u69fd\u8282\u70b9\u6620\u5c04\u7684\u5b8c\u6574\u6027\u3002<\/p>\n

2) \u5f53\u4e0b\u7ebf\u8282\u70b9\u4e0d\u518d\u8d1f\u8d23\u69fd\u6216\u8005\u672c\u8eab\u662f\u4ece\u8282\u70b9\u65f6\uff0c\u5c31\u53ef\u4ee5\u901a\u77e5\u96c6\u7fa4\u5185\u5176\u4ed6\u8282\u70b9\u5fd8\u8bb0\u4e0b\u7ebf\u8282\u70b9\uff0c\u5f53\u6240\u6709\u7684\u8282\u70b9\u5fd8\u8bb0\u6539\u8282\u70b9\u540e\u53ef\u4ee5\u6b63\u5e38\u5173\u95ed\u3002<\/p>\n

\u4e0b\u7ebf\u8282\u70b9\u9700\u8981\u5c06\u8282\u70b9\u81ea\u5df1\u8d1f\u8d23\u7684\u69fd\u8fc1\u79fb\u5230\u5176\u4ed6\u8282\u70b9\uff0c\u539f\u7406\u4e0e\u4e4b\u524d\u8282\u70b9\u6269\u5bb9\u7684\u8fc1\u79fb\u69fd\u8fc7\u7a0b\u4e00\u81f4\u3002<\/p>\n

<\/p>\n

\u8fc1\u79fb\u5b8c\u69fd\u540e\uff0c\u8fd8\u9700\u8981\u901a\u77e5\u96c6\u7fa4\u5185\u6240\u6709\u8282\u70b9\u5fd8\u8bb0\u4e0b\u7ebf\u7684\u8282\u70b9\uff0c\u4e5f\u5c31\u662f\u8bf4\u8ba9\u5176\u4ed6\u8282\u70b9\u4e0d\u518d\u4e0e\u8981\u4e0b\u7ebf\u7684\u8282\u70b9\u8fdb\u884c Gossip \u6d88\u606f\u4ea4\u6362\u3002<\/p>\n

Redis \u96c6\u7fa4\u4f7f\u7528 cluster forget { downNodeId } \u547d\u4ee4\u6765\u8bb2\u6307\u5b9a\u7684\u8282\u70b9\u52a0\u5165\u5230\u7981\u7528\u5217\u8868\u4e2d\uff0c\u5728\u7981\u7528\u5217\u8868\u5185\u7684\u8282\u70b9\u4e0d\u518d\u53d1\u9001 Gossip \u6d88\u606f\u3002<\/p>\n

\u5ba2\u6237\u7aef\u8def\u7531<\/strong><\/p>\n

\u5728\u96c6\u7fa4\u6a21\u5f0f\u4e0b\uff0cRedis \u8282\u70b9\u63a5\u6536\u4efb\u4f55\u952e\u76f8\u5173\u547d\u4ee4\u65f6\u9996\u5148\u8ba1\u7b97\u952e\u5bf9\u5e94\u7684\u69fd\uff0c\u5728\u6839\u636e\u69fd\u627e\u51fa\u6240\u5bf9\u5e94\u7684\u8282\u70b9\uff0c\u5982\u679c\u8282\u70b9\u662f\u81ea\u8eab\uff0c\u5219\u5904\u7406\u952e\u547d\u4ee4\uff1b\u5426\u5219\u56de\u590d MOVED \u91cd\u5b9a\u5411\u9519\u8bef\uff0c\u901a\u77e5\u5ba2\u6237\u7aef\u8bf7\u6c42\u6b63\u786e\u7684\u8282\u70b9\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u79f0\u4e3a MOVED \u91cd\u5b9a\u5411\u3002<\/p>\n

\u9700\u8981\u6ce8\u610f\u7684\u662f Redis \u8ba1\u7b97\u69fd\u65f6\u5e76\u975e\u53ea\u7b80\u5355\u7684\u8ba1\u7b97\u952e\u503c\u5185\u5bb9\uff0c\u5f53\u952e\u503c\u5185\u5bb9\u5305\u62ec\u5927\u62ec\u53f7\u65f6\uff0c\u5219\u53ea\u8ba1\u7b97\u62ec\u53f7\u5185\u7684\u5185\u5bb9\u3002\u6bd4\u5982\u8bf4\uff0ckey \u4e3a user:{10000}:books\u65f6\uff0c\u8ba1\u7b97\u54c8\u5e0c\u503c\u53ea\u8ba1\u7b9710000\u3002<\/p>\n

MOVED \u9519\u8bef\u793a\u4f8b\u663e\u793a\u7684\u4fe1\u606f\u5982\u4e0b\uff0c\u952e x \u6240\u5c5e\u7684\u54c8\u5e0c\u69fd 3999 \uff0c\u4ee5\u53ca\u8d1f\u8d23\u5904\u7406\u8fd9\u4e2a\u69fd\u7684\u8282\u70b9\u7684 IP \u548c\u7aef\u53e3\u53f7 127.0.0.1:6381 \u3002 \u5ba2\u6237\u7aef\u9700\u8981\u6839\u636e\u8fd9\u4e2a IP \u548c\u7aef\u53e3\u53f7\uff0c \u5411\u6240\u5c5e\u7684\u8282\u70b9\u91cd\u65b0\u53d1\u9001\u4e00\u6b21 GET \u547d\u4ee4\u8bf7\u6c42\u3002<\/p>\n

<\/code><\/p>\n

\u7531\u4e8e\u8bf7\u6c42\u91cd\u5b9a\u5411\u4f1a\u589e\u52a0 IO \u5f00\u9500\uff0c\u8fd9\u4e0d\u662f Redis \u96c6\u7fa4\u9ad8\u6548\u7684\u4f7f\u7528\u65b9\u5f0f\uff0c\u800c\u662f\u8981\u4f7f\u7528 Smart \u96c6\u7fa4\u5ba2\u6237\u7aef\u3002Smart \u5ba2\u6237\u7aef\u901a\u8fc7\u5728\u5185\u90e8\u7ef4\u62a4 slot \u5230 Redis \u8282\u70b9\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u672c\u5730\u5c31\u53ef\u4ee5\u5b9e\u73b0\u952e\u5230\u8282\u70b9\u7684\u67e5\u627e\uff0c\u4ece\u800c\u4fdd\u8bc1 IO \u6548\u7387\u7684\u6700\u5927\u5316\uff0c\u800c MOVED \u91cd\u5b9a\u5411\u8d1f\u8d23\u534f\u52a9\u5ba2\u6237\u7aef\u66f4\u65b0\u6620\u5c04\u5173\u7cfb\u3002<\/p>\n

Redis \u96c6\u7fa4\u652f\u6301\u5728\u7ebf\u8fc1\u79fb\u69fd( slot ) \u548c\u6570\u636e\u6765\u5b8c\u6210\u6c34\u5e73\u4f38\u7f29\uff0c\u5f53 slot \u5bf9\u5e94\u7684\u6570\u636e\u4ece\u6e90\u8282\u70b9\u5230\u76ee\u6807\u8282\u70b9\u8fc1\u79fb\u8fc7\u7a0b\u4e2d\uff0c\u5ba2\u6237\u7aef\u9700\u8981\u505a\u5230\u667a\u80fd\u8fc1\u79fb\uff0c\u4fdd\u8bc1\u952e\u547d\u4ee4\u53ef\u6b63\u5e38\u6267\u884c\u3002\u4f8b\u5982\u5f53 slot \u6570\u636e\u4ece\u6e90\u8282\u70b9\u8fc1\u79fb\u5230\u76ee\u6807\u8282\u70b9\u65f6\uff0c\u671f\u95f4\u53ef\u80fd\u51fa\u73b0\u4e00\u90e8\u5206\u6570\u636e\u5728\u6e90\u8282\u70b9\uff0c\u800c\u53e6\u4e00\u90e8\u5206\u5728\u76ee\u6807\u8282\u70b9\u3002<\/p>\n

<\/p>\n

\u6240\u4ee5\uff0c\u7efc\u5408\u4e0a\u8ff0\u60c5\u51b5\uff0c\u5ba2\u6237\u7aef\u547d\u4ee4\u6267\u884c\u6d41\u7a0b\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

    \n
  • \u5ba2\u6237\u7aef\u6839\u636e\u672c\u5730 slot \u7f13\u5b58\u53d1\u9001\u547d\u4ee4\u5230\u6e90\u8282\u70b9\uff0c\u5982\u679c\u5b58\u5728\u952e\u5bf9\u5e94\u5219\u76f4\u63a5\u6267\u884c\u5e76\u8fd4\u56de\u7ed3\u679c\u7ed9\u5ba2\u6237\u7aef\u3002<\/li>\n
  • \u5982\u679c\u8282\u70b9\u8fd4\u56de MOVED \u9519\u8bef\uff0c\u66f4\u65b0\u672c\u5730\u7684 slot \u5230 Redis \u8282\u70b9\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u7136\u540e\u91cd\u65b0\u53d1\u8d77\u8bf7\u6c42\u3002<\/li>\n
  • \u5982\u679c\u6570\u636e\u6b63\u5728\u8fc1\u79fb\u4e2d\uff0c\u8282\u70b9\u4f1a\u56de\u590d ASK \u91cd\u5b9a\u5411\u5f02\u5e38\u3002\u683c\u5f0f\u5982\u4e0b: ( error ) ASK { slot } { targetIP } : { targetPort }<\/li>\n<\/ul>\n

    \u5ba2\u6237\u7aef\u4ece ASK \u91cd\u5b9a\u5411\u5f02\u5e38\u63d0\u53d6\u51fa\u76ee\u6807\u8282\u70b9\u4fe1\u606f\uff0c\u53d1\u9001 asking \u547d\u4ee4\u5230\u76ee\u6807\u8282\u70b9\u6253\u5f00\u5ba2\u6237\u7aef\u8fde\u63a5\u6807\u8bc6\uff0c\u518d\u6267\u884c\u952e\u547d\u4ee4\u3002<\/p>\n

    ASK \u548c MOVED \u867d\u7136\u90fd\u662f\u5bf9\u5ba2\u6237\u7aef\u7684\u91cd\u5b9a\u5411\u63a7\u5236\uff0c\u4f46\u662f\u6709\u7740\u672c\u8d28\u533a\u522b\u3002ASK \u91cd\u5b9a\u5411\u8bf4\u660e\u96c6\u7fa4\u6b63\u5728\u8fdb\u884c slot \u6570\u636e\u8fc1\u79fb\uff0c\u5ba2\u6237\u7aef\u65e0\u6cd5\u77e5\u9053\u4ec0\u4e48\u65f6\u5019\u8fc1\u79fb\u5b8c\u6210\uff0c\u56e0\u6b64\u53ea\u80fd\u662f\u4e34\u65f6\u6027\u7684\u91cd\u5b9a\u5411\uff0c\u5ba2\u6237\u7aef\u4e0d\u4f1a\u66f4\u65b0 slot \u5230 Redis \u8282\u70b9\u7684\u6620\u5c04\u7f13\u5b58\u3002\u4f46\u662f MOVED \u91cd\u5b9a\u5411\u8bf4\u660e\u952e\u5bf9\u5e94\u7684\u69fd\u5df2\u7ecf\u660e\u786e\u6307\u5b9a\u5230\u65b0\u7684\u8282\u70b9\uff0c\u56e0\u6b64\u9700\u8981\u66f4\u65b0 slot \u5230 Redis \u8282\u70b9\u7684\u6620\u5c04\u7f13\u5b58\u3002<\/p>\n

    \u6545\u969c\u8f6c\u79fb<\/strong><\/p>\n

    \u5f53 Redis \u96c6\u7fa4\u5185\u5c11\u91cf\u8282\u70b9\u51fa\u73b0\u6545\u969c\u65f6\u901a\u8fc7\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u4fdd\u8bc1\u96c6\u7fa4\u53ef\u4ee5\u6b63\u5e38\u5bf9\u5916\u63d0\u4f9b\u670d\u52a1\u3002<\/p>\n

    \u5f53\u67d0\u4e00\u4e2a Redis \u8282\u70b9\u5ba2\u89c2\u4e0b\u7ebf\u65f6\uff0cRedis \u96c6\u7fa4\u4f1a\u4ece\u5176\u4ece\u8282\u70b9\u4e2d\u901a\u8fc7\u9009\u4e3b\u9009\u51fa\u4e00\u4e2a\u66ff\u4ee3\u5b83\uff0c\u4ece\u800c\u4fdd\u8bc1\u96c6\u7fa4\u7684\u9ad8\u53ef\u7528\u6027\u3002\u8fd9\u5757\u5185\u5bb9\u5e76\u4e0d\u662f\u672c\u6587\u7684\u6838\u5fc3\u5185\u5bb9\uff0c\u611f\u5174\u8da3\u7684\u540c\u5b66\u53ef\u4ee5\u81ea\u5df1\u5b66\u4e60\u3002<\/p>\n

    \u4f46\u662f\uff0c\u6709\u4e00\u70b9\u8981\u6ce8\u610f\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5f53\u96c6\u7fa4 16384 \u4e2a\u69fd\u4efb\u4f55\u4e00\u4e2a\u6ca1\u6709\u6307\u6d3e\u5230\u8282\u70b9\u65f6\u6574\u4e2a\u96c6\u7fa4\u4e0d\u53ef\u7528\u3002\u6267\u884c\u4efb\u4f55\u952e\u547d\u4ee4\u8fd4\u56de CLUSTERDOWN Hash slot not served \u547d\u4ee4\u3002\u5f53\u6301\u6709\u69fd\u7684\u4e3b\u8282\u70b9\u4e0b\u7ebf\u65f6\uff0c\u4ece\u6545\u969c\u53d1\u73b0\u5230\u81ea\u52a8\u5b8c\u6210\u8f6c\u79fb\u671f\u95f4\u6574\u4e2a\u96c6\u7fa4\u662f\u4e0d\u53ef\u7528\u72b6\u6001\uff0c\u5bf9\u4e8e\u5927\u591a\u6570\u4e1a\u52a1\u65e0\u6cd5\u5fcd\u53d7\u8fd9\u60c5\u51b5\uff0c\u56e0\u6b64\u5efa\u8bae\u5c06\u53c2\u6570 cluster-require-full-coverage \u914d\u7f6e\u4e3a no \uff0c\u5f53\u4e3b\u8282\u70b9\u6545\u969c\u65f6\u53ea\u5f71\u54cd\u5b83\u8d1f\u8d23\u69fd\u7684\u76f8\u5173\u547d\u4ee4\u6267\u884c\uff0c\u4e0d\u4f1a\u5f71\u54cd\u5176\u4ed6\u4e3b\u8282\u70b9\u7684\u53ef\u7528\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    Redis Cluster\u96c6\u7fa4\u6570...<\/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-201237","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201237","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=201237"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201237\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}