Redis 3.2.5 Cluster adding nodes and assigning slots

I. Description of the Environment

Db:redis 3.2.5

Os:centos 6.6_x64

ip:192.168.80.131/132/133

port:7000

Redis cluster mode, service started

Second, the specific operation

1. Three separate cluster nodes, one node per cluster

[[email protected] ~]# redis-cli-c-P 7000

127.0.0.1:7000> Cluster Info

Cluster_state:ok

cluster_slots_assigned:16384

cluster_slots_ok:16384

cluster_slots_pfail:0

cluster_slots_fail:0

Cluster_known_nodes:8

Cluster_size:3

Cluster_current_epoch:11

Cluster_my_epoch:9

cluster_stats_messages_sent:156029

cluster_stats_messages_received:155663

127.0.0.1:7000> Cluster Reset

2. Create a 3-node cluster

127.0.0.1:7000> Cluster Meet 192.168.80.132 7000

Ok

127.0.0.1:7000> Cluster Meet 192.168.80.133 7000

Ok

127.0.0.1:7000> cluster Nodes

Dd2dae9872c9eb58860c5fe0ae810e34fcbe4e83 192.168.80.132:7000 master-0 1480991778893 2 connected

A03c14558ce425fd0fe64b611eb02fdb46db2fd4 192.168.80.133:7000 master-0 1480991777891 connected

2591d73e867a298852f6e4e892ced37dac7c9034 192.168.80.131:7000 myself,master-0 0 1 connected

127.0.0.1:7000>

2. Assigning slots

192.168.80.131 execution

#for i in {0..5000}

Do

REDIS-CLI-C-P 7000 cluster addslots $i

Done

192.168.80.132 execution

#for i in {5001..10000}

Do

REDIS-CLI-C-P 7000 cluster addslots $i

Done

192.168.80.133 execution

#for i in {10001..16383}

Do

REDIS-CLI-C-P 7000 cluster addslots $i

Done

3. View cluster status OK

127.0.0.1:7000> Cluster Info

Cluster_state:ok

cluster_slots_assigned:16384

cluster_slots_ok:16384

cluster_slots_pfail:0

cluster_slots_fail:0

Cluster_known_nodes:3

Cluster_size:3

Cluster_current_epoch:12

Cluster_my_epoch:1

cluster_stats_messages_sent:187477

cluster_stats_messages_received:192003

127.0.0.1:7000> Cluster Slots

1) 1) (integer) 5001

2) (integer) 10000

3) 1) "192.168.80.132"

2) (integer) 7000

3) "Dd2dae9872c9eb58860c5fe0ae810e34fcbe4e83"

2) 1) (integer) 10001

2) (integer) 16383

3) 1) "192.168.80.133"

2) (integer) 7000

3) "A03c14558ce425fd0fe64b611eb02fdb46db2fd4"

3) 1) (integer) 0

2) (integer) 5000

3) 1) "192.168.80.131"

2) (integer) 7000

3) "2591d73e867a298852f6e4e892ced37dac7c9034"

127.0.0.1:7000>

4. Verify that the Write

127.0.0.1:7000> set MSG "Hello World"

-Redirected to Slots [6257] located at 192.168.80.132:7000

Ok

192.168.80.132:7000> Cluster Keyslot msg

(integer) 6257

192.168.80.132:7000> Get MSG

"Hello World"

192.168.80.132:7000>

This article is from the "dba003" blog, make sure to keep this source http://dba003.blog.51cto.com/12318731/1880265

Redis 3.2.5 Cluster adding nodes and assigning slots