In-depth analysis of Redis cluster clusters

In-depth analysis of Redis cluster cluster installation configuration detailed below for you to introduce an in-depth analysis of Redis cluster cluster installation configuration, if you want to do a database cluster can come to see this article Oh.

http://ruby.taobao.org/
# Gem Source-l

# gem Install Redis--version 3.0.0//Installation Gem_redis
Successfully installed redis-3.0.0
1 Gem installed
Installing RI documentation for redis-3.0.0 ...
Installing RDOC documentation for redis-3.0.0 ...
Previously wrote a Ruby on Rails article, please refer to: CentOS Ruby on Rails apache MySQL installation configuration detailed
People who like to compile manually can refer to this article to install Ruby.

Three, install redis3.0.0

1, installing Redis

# wget http://download.redis.io/releases/redis-3.0.0.tar.gz
# TAR-XVZF Redis-3.0.0.tar.gz
# CD redis-3.0.0
# Make && make install
# CD SRC
# CP Redis-trib.rb/usr/local/bin

# Mkdir/etc/redis
# Mkdir/var/log/redis
The above operation should be done on the first two machines.

2, configuring Redis

[[email protected] redis-3.0.0]# vim redis.conf//Unzip the root directory, have redis.conf, make the following modifications
Port 6379
Pidfile/var/run/redis-6379.pid
Dbfilename Dump-6379.rdb
Appendfilename "Appendonly-6379.aof"
Cluster-config-file nodes-6379.conf
cluster-enabled Yes
Cluster-node-timeout 5000
AppendOnly Yes

3,copy the configuration file and modify the port

# CP Redis.conf/etc/redis/redis-6379.conf
# CP Redis.conf/etc/redis/redis-6380.conf
# CP Redis.conf/etc/redis/redis-6381.conf

# SCP redis.conf 192.168.10.220:/etc/redis/redis-6382.conf
# SCP redis.conf 192.168.10.220:/etc/redis/redis-6383.conf
# SCP redis.conf 192.168.10.220:/etc/redis/redis-6384.conf

# sed-i "S/6379/6380/g"/etc/redis/redis-6380.conf
# sed-i "S/6379/6381/g"/etc/redis/redis-6381.conf

# sed-i "S/6379/6382/g"/etc/redis/redis-6382.conf
# sed-i "S/6379/6383/g"/etc/redis/redis-6383.conf
# sed-i "S/6379/6384/g"/etc/redis/redis-6384.conf
Copy the configuration files to two machines separately and replace the ports:

# cat redis-6380.conf |awk ' {if ($!~/^$/&& $!~/#/) {print $}} ' |grep 6380
Pidfile/var/run/redis-6380.pid
Port 6380
Dbfilename Dump-6380.rdb
Appendfilename "Appendonly-6380.aof"
Cluster-config-file nodes-6380.conf
There are 5 locations to modify the port

4. Start and view Redis

# redis-server/etc/redis/redis-6379.conf >/var/log/redis/redis-6379.log 2>&1 &
# redis-server/etc/redis/redis-6380.conf >/var/log/redis/redis-6380.log 2>&1 &
# redis-server/etc/redis/redis-6381.conf >/var/log/redis/redis-6381.log 2>&1 &

# redis-server/etc/redis/redis-6382.conf >/var/log/redis/redis-6382.log 2>&1 &
# redis-server/etc/redis/redis-6383.conf >/var/log/redis/redis-6383.log 2>&1 &
# redis-server/etc/redis/redis-6384.conf >/var/log/redis/redis-6384.log 2>&1 &

# NETSTAT-TPNL |grep Redis
TCP 0 0 0.0.0.0:6379 0.0.0.0:* LISTEN 7298/redis-server *
TCP 0 0 0.0.0.0:6380 0.0.0.0:* LISTEN 7299/redis-server *
TCP 0 0 0.0.0.0:6381 0.0.0.0:* LISTEN 7304/redis-server *
TCP 0 0 0.0.0.0:16379 0.0.0.0:* LISTEN 7298/redis-server *
TCP 0 0 0.0.0.0:16380 0.0.0.0:* LISTEN 7299/redis-server *
TCP 0 0 0.0.0.0:16381 0.0.0.0:* LISTEN 7304/redis-server *
TCP 0 0::: 6379:::* LISTEN 7298/redis-server *
TCP 0 0::: 6380:::* LISTEN 7299/redis-server *
TCP 0 0::: 6381:::* LISTEN 7304/redis-server *
TCP 0 0::: 16379:::* LISTEN 7298/redis-server *
TCP 0 0::: 16380:::* LISTEN 7299/redis-server *
TCP 0 0::: 16381:::* LISTEN 7304/redis-server *

[Email protected] redis]# ll/etc/redis/

Total Dosage 156

-rw-r--r--1 root root 0 April 23:54 appendonly-6379.aof
-rw-r--r--1 root root 0 May 1 00:08 appendonly-6380.aof
-rw-r--r--1 root root 0 May 1 00:08 appendonly-6381.aof
-rw-r--r--1 root root 18 May 1 00:08 Dump-6379.rdb
-rw-r--r--1 root root 18 May 1 00:08 Dump-6380.rdb
-rw-r--r--1 root root 18 May 1 00:08 Dump-6381.rdb
-rw-r--r--1 root root 763 May 1 00:08 nodes-6379.conf
-rw-r--r--1 root root 763 May 1 00:08 nodes-6380.conf
-rw-r--r--1 root root 763 May 1 00:08 nodes-6381.conf
-rw-r--r--1 root root 41412 April 23:30 redis-6379.conf
-rw-r--r--1 root root 41412 April 23:39 redis-6380.conf
-rw-r--r--1 root root 41412 April 23:39 redis-6381.conf

All nodes are started successfully, it does not mean that they are clustered.

Four, create the cluster, and view

1. Create a Redis cluster

# redis-trib.rb Create--replicas 1 192.168.10.219:6379 192.168.10.219:6380 192.168.10.219:6381 192.168.10.220:6382 192.168.10.220:6383 192.168.10.220:6384
2. View Redis cluster status

[Email protected] redis]# redis-trib.rb check 192.168.10.219:6379
Connecting to Node 192.168.10.219:6379:ok
Connecting to Node 192.168.10.220:6384:ok
Connecting to Node 192.168.10.219:6381:ok
Connecting to Node 192.168.10.220:6383:ok
Connecting to Node 192.168.10.220:6382:ok
Connecting to Node 192.168.10.219:6380:ok
>>> performing Cluster Check (using node 192.168.10.219:6379)
M:d40d9a367c24784b0336c7b80fb4c87337e2cba6 192.168.10.219:6379
slots:5461-10922 (5462 slots) Master
1 additional replica (s)
s:5f00f163d0c0a540ea99daf004f55588a802327b 192.168.10.220:6384
Slots: (0 slots) Slave
Replicates D40d9a367c24784b0336c7b80fb4c87337e2cba6
S:b3b1a848987b5a87a06888e126d5c9b16f871ff5 192.168.10.219:6381
Slots: (0 slots) Slave
Replicates d2eb5a8a77f87888792428aed4692dfb907e7a1d
M:D2EB5A8A77F87888792428AED4692DFB907E7A1D 192.168.10.220:6383
slots:10923-16383 (5461 slots) Master
1 additional replica (s)
m:a8eafe8b19d6a28c034917da13a43ce1230fe870 192.168.10.220:6382
slots:0-5460 (5461 slots) Master
1 additional replica (s)
S:a87d207204a53ab599bf7f6ffb9d679d0eef4f25 192.168.10.219:6380
Slots: (0 slots) Slave
Replicates a8eafe8b19d6a28c034917da13a43ce1230fe870
[OK] All nodes agree about slots configuration.
>>> Check for open Slots ...
>>> Check Slots Coverage ...
[OK] All 16384 slots covered.

Here, the Redis cluster is configured successfully.

Five, Test Redis cluster

# redis-cli-c-P 6379-h 192.168.10.219//Login at 219
192.168.10.219:6379> Set Tank TANK1//Set test value
-Redirected to Slots [4407] located at 192.168.10.220:6382
OK//Direct turn to 220 6382 port, data stored to 220 6382, but a little strange
192.168.10.220:6382> get tank//can fetch a value
"Tank1"

[[email protected] redis]# redis-cli-c-P 6383-h 192.168.10.220//220 machine, 6383 ports
192.168.10.220:6383> Get Tank
Redirected to Slots [4407] located at 192.168.10.220:6382//Direct Steering 220 6382 ports
"Tank1"

[[Email protected] redis]# PS aux |grep redis//view process
Root 7310 0.2 0.9 137436 9724 pts/0 Sl Apr30 0:09 redis-server *:6382 [cluster]
Root 7311 0.2 0.9 137436 9776 pts/0 Sl Apr30 0:09 redis-server *:6383 [cluster]
Root 7316 0.2 0.9 137436 9944 pts/0 Sl Apr30 0:10 redis-server *:6384 [cluster]
Root 7478 0.0 0.0 103256 812 pts/0 s+ 00:56 0:00 grep redis

[[email protected] redis]# kill-9 7310//Close 220 6382 ports to see if the data will be lost

[[email protected] redis]# redis-trib.rb Check 192.168.10.219:6379//view cluster condition, any interface is OK
Connecting to Node 192.168.10.219:6379:ok
Connecting to Node 192.168.10.220:6384:ok
Connecting to Node 192.168.10.219:6381:ok
Connecting to Node 192.168.10.220:6383:ok
Connecting to Node 192.168.10.219:6380:ok
>>> performing Cluster Check (using node 192.168.10.219:6379)
M:d40d9a367c24784b0336c7b80fb4c87337e2cba6 192.168.10.219:6379
slots:5461-10922 (5462 slots) Master
1 additional replica (s)
s:5f00f163d0c0a540ea99daf004f55588a802327b 192.168.10.220:6384
Slots: (0 slots) Slave
Replicates D40d9a367c24784b0336c7b80fb4c87337e2cba6
S:b3b1a848987b5a87a06888e126d5c9b16f871ff5 192.168.10.219:6381
Slots: (0 slots) Slave
Replicates d2eb5a8a77f87888792428aed4692dfb907e7a1d
M:D2EB5A8A77F87888792428AED4692DFB907E7A1D 192.168.10.220:6383
slots:10923-16383 (5461 slots) Master
1 additional replica (s)
M:a87d207204a53ab599bf7f6ffb9d679d0eef4f25 192.168.10.219:6380
slots:0-5460 (5461 slots) Master
0 additional replica (s)
[OK] All nodes agree about slots configuration.
>>> Check for open Slots ...
>>> Check Slots Coverage ...
[OK]  All 16384 slots covered. Become, three master two from the

[[email protected] redis]# redis-cli-c-P 6379-h 192.168.10.219//219 Login
192.168.10.219:6379> Get Tank
Redirected to Slots [4407] located at 192.168.10.219:6380//data is transferred to 6380 node
"Tank1"
After testing, the cluster is available.

In-depth analysis of Redis cluster clusters