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Redis 5.0.7 的安装与群集部署

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一、安装

(1) 下载源码包

[root@localhost ~]# wget http://download.redis.io/releases/redis-5.0.7.tar.gz

(2) 解压安装包，并进行编译安装

[root@localhost ~]# tar -xf redis-5.0.7.tar.gz
[root@localhost ~]# yum install -y gcc gcc-c++ automake make
[root@localhost ~]# cd redis-5.0.7/
[root@localhost redis-5.0.7]# yum install -y gcc gcc-c++ automake make
[root@localhost redis-5.0.7]# make PREFIX=/usr/local/redis
[root@localhost redis-5.0.7]# make install

(3) 创建配置文件目录与其它相关目录，并将源码包中的配置文件复制到配置文件目录中

[root@localhost redis-5.0.7]# mkdir -v /usr/local/redis/{etc,log,data,run}
[root@localhost redis-5.0.7]# cp redis.conf /usr/local/redis/etc/

(4) 创建服务启停脚本(如果需要)

[root@localhost redis-5.0.7]# cp ./utils/redis_init_script /etc/init.d/redisd
[root@localhost redis-5.0.7]#sed -i 's#CONF="/etc/redis/${REDISPORT}.conf"#CONF="/usr/local/redis/etc/redis.conf"#g' /etc/init.d/redisd
[root@localhost redis-5.0.7]# server redisd start

(5) 给命令创建软链接

[root@localhost redis-5.0.7]# ln -sv /usr/local/redis/bin/redis-* /usr/bin/

(6) 修改内核参数(解决启动时的WARNING)

[root@localhost redis-5.0.7]# echo "net.core.somaxconn = 512" >> /etc/sysctl.conf
[root@localhost redis-5.0.7]# echo "vm.overcommit_memory=1" >> /etc/sysctl.conf
[root@localhost redis-5.0.7]# sysctl -p
net.core.somaxconn = 512
vm.overcommit_memory = 1
[root@localhost redis-5.0.7]# echo never > /sys/kernel/mm/transparent_hugepage/enabled    
#以上配置重启主机后会丢失，永久生效的方式如下：
[root@localhost redis-5.0.7]# vim /etc/rc.local 
#添加以下行
echo never > /sys/kernel/mm/transparent_hugepage/enabled  
[root@localhost redis-5.0.7]# chmod +x /etc/rc.local

(7) 启动

[root@localhost redis-5.0.7]# service redisd start        #需第4步配置脚本
#或以下启动方式，默认前台启动，要以守护进程启动需修改配置文件中daemonize no为daemonize yes
[root@localhost redis-5.0.7]# /usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf
[root@localhost redis-5.0.7]# redis-server        　　　　 #需第5步创建软链接

二、群集部署

2.1 单机多实例

(1) 修改主配置文件 redis.conf

[root@localhost ~]# cd /usr/local/redis/
[root@localhost redis]# grep -Ev "^$|^#" /usr/local/redis/etc/redis.conf
bind 0.0.0.0
protected-mode yes
port 6379
tcp-backlog 511
timeout 0
tcp-keepalive 300
daemonize yes
supervised no
pidfile /usr/local/redis/run/redis_6379.pid
loglevel notice
logfile "/usr/local/redis/log/redis-6379.log"
databases 16
always-show-logo yes
save 900 1
save 300 10
save 60 10000
stop-writes-on-bgsave-error yes
rdbcompression yes
rdbchecksum yes
dbfilename dump.rdb
dir ./
masterauth 123456
replica-serve-stale-data yes
replica-read-only yes
repl-diskless-sync no
repl-diskless-sync-delay 5
repl-disable-tcp-nodelay no
replica-priority 100
requirepass 123456
lazyfree-lazy-eviction no
lazyfree-lazy-expire no
lazyfree-lazy-server-del no
replica-lazy-flush no
appendonly no
appendfilename "appendonly.aof"
appendfsync everysec
no-appendfsync-on-rewrite no
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb
aof-load-truncated yes
aof-use-rdb-preamble yes
lua-time-limit 5000
cluster-enabled yes
cluster-config-file nodes.conf
cluster-node-timeout 15000
slowlog-log-slower-than 10000
slowlog-max-len 128
latency-monitor-threshold 0
notify-keyspace-events ""
hash-max-ziplist-entries 512
hash-max-ziplist-value 64
list-max-ziplist-size -2
list-compress-depth 0
set-max-intset-entries 512
zset-max-ziplist-entries 128
zset-max-ziplist-value 64
hll-sparse-max-bytes 3000
stream-node-max-bytes 4096
stream-node-max-entries 100
activerehashing yes
client-output-buffer-limit normal 0 0 0
client-output-buffer-limit replica 256mb 64mb 60
client-output-buffer-limit pubsub 32mb 8mb 60
hz 10
dynamic-hz yes
aof-rewrite-incremental-fsync yes
rdb-save-incremental-fsync yes

(2) 创建集群目录与配置文件

[root@localhost redis]# mkdir -pv  cluster/{7000,7001,7002,7003,7004}/{etc,log,run}
#复制配置文件
[root@localhost redis]# cp /usr/local/redis/etc/redis.conf /usr/local/redis/cluster/7000/etc/
#修改配置文件
[root@localhost redis]# grep -Ev "^$|^#" /usr/local/redis/cluster/7000/etc/redis.conf
bind 0.0.0.0
protected-mode yes
port 7000
tcp-backlog 511
timeout 0
tcp-keepalive 300
daemonize yes
supervised no
pidfile /usr/local/redis/cluster/7000/run/redis_7000.pid
loglevel notice
logfile "/usr/local/redis/cluster/7000/log/redis-7000.log"
databases 16
always-show-logo yes
save 900 1
save 300 10
save 60 10000
stop-writes-on-bgsave-error yes
rdbcompression yes
rdbchecksum yes
dbfilename dump.rdb
dir ./
masterauth 123456
replica-serve-stale-data yes
replica-read-only yes
repl-diskless-sync no
repl-diskless-sync-delay 5
repl-disable-tcp-nodelay no
replica-priority 100
requirepass 123456
lazyfree-lazy-eviction no
lazyfree-lazy-expire no
lazyfree-lazy-server-del no
replica-lazy-flush no
appendonly no
appendfilename "appendonly.aof"
appendfsync everysec
no-appendfsync-on-rewrite no
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb
aof-load-truncated yes
aof-use-rdb-preamble yes
lua-time-limit 5000
cluster-enabled yes
cluster-config-file nodes-7000.conf
cluster-node-timeout 15000
slowlog-log-slower-than 10000
slowlog-max-len 128
latency-monitor-threshold 0
notify-keyspace-events ""
hash-max-ziplist-entries 512
hash-max-ziplist-value 64
list-max-ziplist-size -2
list-compress-depth 0
set-max-intset-entries 512
zset-max-ziplist-entries 128
zset-max-ziplist-value 64
hll-sparse-max-bytes 3000
stream-node-max-bytes 4096
stream-node-max-entries 100
activerehashing yes
client-output-buffer-limit normal 0 0 0
client-output-buffer-limit replica 256mb 64mb 60
client-output-buffer-limit pubsub 32mb 8mb 60
hz 10
dynamic-hz yes
aof-rewrite-incremental-fsync yes
rdb-save-incremental-fsync yes

(3) 复制与修改另外的几个配置文件

[root@localhost redis]# pwd
/usr/local/redis
[root@localhost redis]# cp cluster/7000/etc/redis.conf cluster/7001/etc/
[root@localhost redis]# cp cluster/7000/etc/redis.conf cluster/7002/etc/
[root@localhost redis]# cp cluster/7000/etc/redis.conf cluster/7003/etc/
[root@localhost redis]# cp cluster/7000/etc/redis.conf cluster/7004/etc/
[root@localhost redis]# sed -i 's/7000/7001/g' cluster/7001/etc/redis.conf
[root@localhost redis]# sed -i 's/7000/7002/g' cluster/7002/etc/redis.conf 
[root@localhost redis]# sed -i 's/7000/7003/g' cluster/7003/etc/redis.conf 
[root@localhost redis]# sed -i 's/7000/7004/g' cluster/7004/etc/redis.conf

(4) 制作启动脚本

[root@localhost redis]# vim start-redis-cluster.sh
#!/bin/bash

/usr/bin/redis-server /usr/local/redis/etc/redis.conf

cd /usr/local/redis/cluster

cd 7000 && /usr/bin/redis-server etc/redis.conf
cd ../7001 && /usr/bin/redis-server  etc/redis.conf
cd ../7002 && /usr/bin/redis-server  etc/redis.conf
cd ../7003 && /usr/bin/redis-server  etc/redis.conf
cd ../7004 && /usr/bin/redis-server  etc/redis.conf

[root@localhost redis]# chmod +x start-redis-cluster.sh 

(5) 启动服务

[root@localhost redis]# ./start-redis-cluster.sh

(6) 创建集群

[root@localhost redis]# redis-cli --cluster create 192.168.145.57:6379 192.168.145.57:7000 192.168.145.57:7001 192.168.145.57:7002 192.168.145.57:7003 192.168.145.57:7004 --cluster-replicas 1 -a 123456

(7) 查看集群

[root@localhost redis]# redis-cli -c -p 6379
127.0.0.1:6379> auth 123456
OK
127.0.0.1:6379> cluster nodes
6f2f3438916f241f487c4033fe9cd64d2960f24c 192.168.145.57:6379@16379 myself,master - 0 1594029981000 1 connected 0-5460
b46b2150673121f904283c52af8ea7184e0507cd 192.168.145.57:7004@17004 slave 6f2f3438916f241f487c4033fe9cd64d2960f24c 0 1594029981716 6 connected
bf0976700450e98b540a87676776200be92c1b32 192.168.145.57:7003@17003 slave 49fb5881a98b6feb6bbc3ddd29a0dbc842d317ef 0 1594029980000 5 connected
684c45749d14bddfd99ac1ea8da9dbbdf7140726 192.168.145.57:7000@17000 master - 0 1594029979000 2 connected 5461-10922
49fb5881a98b6feb6bbc3ddd29a0dbc842d317ef 192.168.145.57:7001@17001 master - 0 1594029979000 3 connected 10923-16383
79a5972228b0383f383123fb028b3c75a386cbea 192.168.145.57:7002@17002 slave 684c45749d14bddfd99ac1ea8da9dbbdf7140726 0 1594029980709 4 connected

(8) 集群停止

[root@localhost redis]# kill -9 `ps -ef|grep -v grep|grep redis|awk '{print $2}'`
#或下面这种方式
[root@localhost redis]# for i in 6379 7000 7001 7002 7003 7004; do redis-cli -p $i -a 123456 shutdown; done

(9) 集群重建

[root@localhost redis]# rm -rf nodes-6379.conf dump.rdb
[root@localhost redis]# for((i=0;i<5;i++));do rm -rf  cluster/700${i}/nodes-700${i}.conf; done
[root@localhost redis]# for((i=0;i<5;i++));do rm -rf  cluster/700${i}/dump.rdb; done

 

原文链接: https://www.cnblogs.com/hovin/p/13261110.html

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