初试redis集群

127.0.0.1:7000> cluster nodes
b6fec8eac008bccab9e350d6b024f50cf9f4836b 192.168.1.3:7004 slave 7a3aec80bfe082dd7918b615c1561c563f5e7eb0 0 1493883444735 5 connected
d886c73d9b3b3aee239553179919e05dd12b7c9e 192.168.1.3:7000 myself,slave 3b6300b339f4f620c2dda35f858e65752d28e297 0 0 1 connected
3b6300b339f4f620c2dda35f858e65752d28e297 192.168.1.3:7003 master - 0 1493883445235 9 connected 0-5460
bab046fd891fb95a62ecb146000e4929bdbc6e3a 192.168.1.3:7002 slave 1a15a62fb790130b87f4c03e2c9a435fa133fd27 0 1493883446737 7 connected
1a15a62fb790130b87f4c03e2c9a435fa133fd27 192.168.1.3:7005 master - 0 1493883447738 7 connected 10923-16383
7a3aec80bfe082dd7918b615c1561c563f5e7eb0 192.168.1.3:7001 master - 0 1493883445735 2 connected 5461-10922

 

redis集群提供分布式存储，根据key的hash算法将value分散存储到各个master节点，slave节点和master节点保持数据同步。高度冗余保证了高可用的特性。

以上3个master,3个slave，共16383个slots。