Master node A: 0 ~ 5460
Master node B: 5461 ~ 10922
Master node C: 10923 ~ 16383
Admins-MBP:redis-4.0.2 jay$ tar xzf redis-4.0.2.tar.gz
Admins-MBP:redis-4.0.2 jay$ cd redis-4.0.2
Admins-MBP:redis-4.0.2 jay$ make
Admins-MBP:redis-4.0.2 jay$ make install PREFIX=/usr/local/redis/redis-cluster/
in redis-cluster folder, modify bin folder to redis01, and copy redis.conf from original redis folder
Modify redis.conf in redis01: daemonize yes #run as a daemon process port 7001 #assign port numbers 7001 ~ 7006 cluster-enabled yes # enable cluster cluster-config-file nodes.conf cluster-node-timeout 15000 appendonly yes
Create 6 copies and modify port number. Copy src/redis-trib.rb from redis original folder
Admins-MBP:redis-cluster jay$ ls -ltr
total 296
-rwxr-xr-x@ 1 jay bidder 75776 Nov 3 11:31 redis-3.2.2.gem
-rwxr-xr-x 1 jay bidder 60843 Nov 3 16:20 redis-trib.rb
-rwxrwxrwx 1 jay bidder 292 Nov 3 16:29 start-all.sh
-rwxr-xr-x 1 jay bidder 19 Nov 6 09:57 redis-process.sh
-rwxrwxrwx 1 jay bidder 337 Nov 9 16:13 clear-all-dump.sh
drwxr-xr-x 11 jay bidder 374 Nov 9 16:14 redis06
drwxr-xr-x 11 jay bidder 374 Nov 9 16:14 redis05
drwxr-xr-x 11 jay bidder 374 Nov 9 16:14 redis04
drwxr-xr-x 12 jay bidder 408 Nov 9 16:16 redis01
drwxr-xr-x 12 jay bidder 408 Nov 9 16:17 redis02
drwxr-xr-x 12 jay bidder 408 Nov 9 16:17 redis03
Admins-MBP:redis-4.0.2 jay$ yum install ruby
Admins-MBP:redis-4.0.2 jay$ yum install rubygems
https://rubygems.global.ssl.fastly.net/gems/redis-3.2.2.gem
Admins-MBP:redis-4.0.2 jay$ gem install redis-3.2.2.gem
Admins-MBP:redis-cluster jay$ cat start-all.sh cd redis01 ./redis-server redis.conf cd .. cd redis02 ./redis-server redis.conf cd .. cd redis03 ./redis-server redis.conf cd .. cd redis04 ./redis-server redis.conf cd .. cd redis05 ./redis-server redis.conf cd .. cd redis06 ./redis-server redis.conf cd ..
Admins-MBP:redis-cluster jay$ ps auwx|grep redis
root 28075 0.1 0.0 2478236 1216 ?? Ss Mon02PM 1:58.56 ./redis-server 127.0.0.1:7002 [cluster]
root 27667 0.1 0.0 2476184 1200 ?? Ss Mon11AM 2:19.10 ./redis-server 127.0.0.1:7006 [cluster]
root 27665 0.0 0.0 2476184 1192 ?? Ss Mon11AM 2:21.42 ./redis-server 127.0.0.1:7005 [cluster]
root 27663 0.0 0.0 2476184 1184 ?? Ss Mon11AM 2:19.75 ./redis-server 127.0.0.1:7004 [cluster]
root 27661 0.0 0.0 2476184 1212 ?? Ss Mon11AM 2:21.43 ./redis-server 127.0.0.1:7003 [cluster]
root 27657 0.0 0.0 2476184 1304 ?? Ss Mon11AM 2:21.78 ./redis-server
Admins-MBP:redis-cluster jay$ sudo ./redis-trib.rb create --replicas 1 127.0.0.1:7001 127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005 127.0.0.1:7006
>>> Creating cluster
/usr/local/lib/ruby/gems/2.4.0/gems/redis-3.2.2/lib/redis/client.rb:441: warning: constant ::Fixnum is deprecated
>>> Performing hash slots allocation on 6 nodes...
Using 3 masters:
127.0.0.1:7001
127.0.0.1:7002
127.0.0.1:7003
Adding replica 127.0.0.1:7004 to 127.0.0.1:7001
Adding replica 127.0.0.1:7005 to 127.0.0.1:7002
Adding replica 127.0.0.1:7006 to 127.0.0.1:7003
M: 64f2e52640e3588e6e9ea3e9cfacacd937b4302a 127.0.0.1:7001
slots:0-5460 (5461 slots) master
M: 2fe945bcfdba4e96628251e100fe9a5a73aca519 127.0.0.1:7002
slots:5461-10922 (5462 slots) master
M: 55ee0c2d3299d60b06659b39f7ef408dcd88989d 127.0.0.1:7003
slots:10923-16383 (5461 slots) master
S: bbd4de25cad21c57459078a705d3b90e2f59bb88 127.0.0.1:7004
replicates 64f2e52640e3588e6e9ea3e9cfacacd937b4302a
S: 10e90225c478fc23bfd33a585869cb3cde3b4afd 127.0.0.1:7005
replicates 2fe945bcfdba4e96628251e100fe9a5a73aca519
S: f9e6159b72821662701d17db9370c5247075beed 127.0.0.1:7006
replicates 55ee0c2d3299d60b06659b39f7ef408dcd88989d
Can I set the above configuration? (type 'yes' to accept): yes
>>> Nodes configuration updated
>>> Assign a different config epoch to each node
>>> Sending CLUSTER MEET messages to join the cluster
Waiting for the cluster to join...
>>> Performing Cluster Check (using node 127.0.0.1:7001)
M: 64f2e52640e3588e6e9ea3e9cfacacd937b4302a 127.0.0.1:7001
slots:0-5460 (5461 slots) master
1 additional replica(s)
M: 55ee0c2d3299d60b06659b39f7ef408dcd88989d 127.0.0.1:7003
slots:10923-16383 (5461 slots) master
1 additional replica(s)
M: 2fe945bcfdba4e96628251e100fe9a5a73aca519 127.0.0.1:7002
slots:5461-10922 (5462 slots) master
1 additional replica(s)
S: 10e90225c478fc23bfd33a585869cb3cde3b4afd 127.0.0.1:7005
slots: (0 slots) slave
replicates 2fe945bcfdba4e96628251e100fe9a5a73aca519
S: f9e6159b72821662701d17db9370c5247075beed 127.0.0.1:7006
slots: (0 slots) slave
replicates 55ee0c2d3299d60b06659b39f7ef408dcd88989d
S: bbd4de25cad21c57459078a705d3b90e2f59bb88 127.0.0.1:7004
slots: (0 slots) slave
replicates 64f2e52640e3588e6e9ea3e9cfacacd937b4302a
[OK] All nodes agree about slots configuration.
>>> Check for open slots...
>>> Check slots coverage...
[OK] All 16384 slots covered.
case01: set value and get value from one node
case02: set value and get value from another node
case03: set value and bring down one node, test slave node
=========== Useful command for debug ===========
pkill -9 redis
ps auwx|grep redis
JedisCluster cluster = RedisClusterDemo.getRedisCluster();
//remove old data
cluster.del("setJerseyNumbers");
cluster.del("listJerseyNumbers");
System.out.println("-- Setting values");
cluster.set("team", "warriors");
cluster.set("player", "Stephen Curry");
System.out.println("----- 1. Sets");
cluster.sadd("setJerseyNumbers", "30");
cluster.sadd("setJerseyNumbers", "11");
cluster.sadd("setJerseyNumbers", "23");
Set<String> setJerseyNumbers = cluster.smembers("setJerseyNumbers");
System.out.println("----- 2. Lists");
cluster.lpush("listJerseyNumbers", "30");
cluster.lpush("listJerseyNumbers", "11");
cluster.lpush("listJerseyNumbers", "23");
// String listJerseyNumbers = cluster.rpop("listJerseyNumbers");
List<String> allNumbers = cluster.lrange("listJerseyNumbers", 0, -1);
System.out.println("----- 3. Sorted Sets");
//To be Continued
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