redis-cluster搭建 | 易学教程

#安装redis和一些要用到的工具
yum -y install gcc automake autoconf libtool make wget tcl zlib ruby rubygems
gem sources --add https://gems.ruby-china.org/ --remove https://rubygems.org/
gem sources -u
gem install redis

cd /usr/local
wget http://download.redis.io/releases/redis-stable.tar.gz

tar zxvf redis-stable.tar.gz

cd redis-stable
make
make install
cd utils
./install_server.sh

#修改配置文件目录在/etc/redis下
vi 6379.conf
port=6379
pidfile /var/run/redis_6379.pid
logfile /var/log/redis_6379.log
daemonize=yes
cluster-enabled yes
cluster-config-file nodes-6379.conf
cluster-node-timeout 15000
appendonly yes
dir /var/lib/redis/6379

#redis-common.conf
#GENERAL
daemonize no
tcp-backlog 511
timeout 0
tcp-keepalive 0
loglevel notice
databases 16
dir /opt/redis/data
slave-serve-stale-data yes
#slave只读
slave-read-only yes
#not use default
repl-disable-tcp-nodelay yes
slave-priority 100
#打开aof持久化
appendonly yes
#每秒一次aof写
appendfsync everysec
#关闭在aof rewrite的时候对新的写操作进行fsync
no-appendfsync-on-rewrite yes
auto-aof-rewrite-min-size 64mb
lua-time-limit 5000
#打开redis集群
cluster-enabled yes
#节点互连超时的阀值
cluster-node-timeout 15000
cluster-migration-barrier 1
slowlog-log-slower-than 10000
slowlog-max-len 128
notify-keyspace-events ""
hash-max-ziplist-entries 512
hash-max-ziplist-value 64
list-max-ziplist-entries 512
list-max-ziplist-value 64
set-max-intset-entries 512
zset-max-ziplist-entries 128
zset-max-ziplist-value 64
activerehashing yes
client-output-buffer-limit normal 0 0 0
client-output-buffer-limit slave 256mb 64mb 60
client-output-buffer-limit pubsub 32mb 8mb 60
hz 10
aof-rewrite-incremental-fsync yes

redis-ip.conf
#包含通用配置
include /opt/redis/redis-common.conf
#监听tcp端口
port 6379
#最大可用内存
maxmemory 100m
#内存耗尽时采用的淘汰策略:
# volatile-lru -> remove the key with an expire set using an LRU algorithm
# allkeys-lru -> remove any key accordingly to the LRU algorithm
# volatile-random -> remove a random key with an expire set
# allkeys-random -> remove a random key, any key
# volatile-ttl -> remove the key with the nearest expire time (minor TTL)
# noeviction -> don't expire at all, just return an error on write operations
maxmemory-policy allkeys-lru
#aof存储文件
appendfilename "appendonly-6379.aof"
#rdb文件,只用于动态添加slave过程
dbfilename dump-6379.rdb
#cluster配置文件(启动自动生成)
cluster-config-file nodes-6379.conf
#部署在同一机器的redis实例，把<span style="font-size: 1em; line-height: 1.5;">auto-aof-rewrite搓开，防止瞬间fork所有redis进程做rewrite,占用大量内存</span>
auto-aof-rewrite-percentage 80-100

#创建数据文件目录
mkdir -p /var/lib/redis/6380 /var/lib/redis/6381 /var/lib/redis/6382 /var/lib/redis/6383 /var/lib/redis/6384 /var/lib/redis/6385

#查看服务是否启动
ps -ef | grep redis

#创建集群
redis-trib.rb create --replicas 1 127.0.0.1:6379 127.0.0.1:6380 127.0.0.1:6381 127.0.0.1:6382 127.0.0.1:6383 127.0.0.1:6384 127.0.0.1:6385

#检查集群状况
redis-trib.rb check 127.0.0.1:6379

#添加master节点
redis-trib.rb add-node 192.168.3.61:6379 192.168.3.88:6379

#添加slave节点
redis-trib.rb add-node 192.168.3.61:7379 192.168.3.88:6379
redis-cli -c -h 192.168.3.61 -p 7379
cluster replicate 89be535ff56586dcec56f14122add80d89a57bb3

#数据分片
redis-trib.rb reshard 192.168.3.6379

#删除节点
redis-trib.rb del-node 192.168.3.88:6399 d64223d6695fcc7e1030f219f09d7488c438cf39

http://blog.sina.com.cn/s/blog_75ad98f30102w6po.html

来源：oschina

链接：https://my.oschina.net/u/264901/blog/799537

标签

Redis