【redis】redis 单实例标准安装

# 系统优化
echo 'net.core.somaxconn= 2048' >> /etc/sysctl.conf
# 尽可能不使用swap
echo  'vm.swappiness = 0' >> /etc/sysctl.conf   
# 设置kill内存指标
echo 'vm.overcommit_memory = 1' >> /etc/sysctl.conf
# 关闭大叶内存
echo never > /sys/kernel/mm/transparent_hugepage/enabled
# 生效
sysctl -p

# 安装依赖及命令
yum -y install gcc automake autoconf libtool make jemalloc wget
# 下载安装包
wget  http://download.redis.io/releases/redis-5.0.9.tar.gz
# 解压软件包
tar -xf redis-5.0.9.tar.gz
# 移到工作目录
mv redis-5.0.9 /usr/local/redis50
# 进入工作目录
cd /usr/local/redis50
# 初始化安装
make
make install
# 配置环境变量
cat >/etc/profile.d/redis50.sh<<'EOF'
export PATH=/usr/local/redis50/src:$PATH
EOF
# 授权
chmod 700  /etc/profile.d/redis50.sh
# 生效
source /etc/profile.d/redis50.sh

# 创建数据目录
mkdir -p /data/redis/redis6379/
# 配置配置文件
cat >> /data/redis/redis6379/redis.conf <<EOF
port 6379
bind 0.0.0.0
daemonize yes
databases 16
protected-mode yes
tcp-backlog 511
timeout 3600
tcp-keepalive 60
pidfile /data/redis/redis6379/redis.pid
loglevel notice
logfile "/data/redis/redis6379/redis.log"
dbfilename dump.rdb
save 900 1
save 300 10
save 60 10000
# redis最大占用内存 根据个人需求设置
maxmemory 4gb
# redis最大连接数 根据个人需求设置
maxclients 20000
maxmemory-policy noeviction
dir /data/redis/redis6379/
requirepass password
############################## aof日志配置 ###############################
appendonly yes
appendfsync everysec
no-appendfsync-on-rewrite yes
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb
aof-rewrite-incremental-fsync yes
################################# 复制配置 #################################
#slaveof <master_ip> <master_port>
masterauth password
slave-serve-stale-data yes
slave-read-only yes
repl-diskless-sync no
repl-diskless-sync-delay 5
repl-disable-tcp-nodelay no
slave-priority 100
repl-ping-slave-period 10
repl-timeout 600
repl-backlog-size 100mb
repl-backlog-ttl 3600
################################## 慢日志 ###################################
# 10000微妙10毫秒
slowlog-log-slower-than 10000
slowlog-max-len 512
############################### 高级配置 ###############################
client-output-buffer-limit normal 0 0 0
client-output-buffer-limit slave 256mb 64mb 60
client-output-buffer-limit pubsub 32mb 8mb 60
################################## 安全配置重命名危险命令 ###################################
rename-command SHUTDOWN "SHUTDOWN_W9C6Q5xTchUqNL"
rename-command SAVE "SAVE_ohFejQ8aYuEU2x"
rename-command FLUSHALL "FLUSHALL_GaFBQfATtJM7Py"
rename-command FLUSHDB "FLUSHDB_j6ruW0iQ97TenF"
rename-command KEYS "KEYS_ZX778890"
EOF

# 指定配置文件启动redis
redis-server /data/redis/6379/redis.conf
# 指定实例及密码关闭redis
redis-cli -p 6379 -a password  SHUTDOWN_W9C6Q5xTchUqNL

# 编辑配置文件
cat >/usr/lib/systemd/system/redis6379.service<<'EOF'
[Unit]
Description=Redis 6379  server
After=syslog.target network.target remote-fs.target nss-lookup.target
[Install]
WantedBy=multi-user.target
[Service]
Type=forking
# 启动redis
ExecStart=/usr/local/redis50/src/redis-server /data/redis/redis6379/redis.conf
# 关闭redis
ExecStop=/usr/local/redis50/src/redis-cli -p 6379 -h 127.0.0.1 -a password  SHUTDOWN_W9C6Q5xTchUqNL
Restart=always
PrivateTmp=true
EOF
# 重载systemd配置
systemctl daemon-reload

# 启动redis
systemctl start  redis6379
# 查看状态
systemctl status redis6379

redis-cli  -h 127.0.0.1 -p 6379  -a password

127.0.0.1:6379> set a 111
OK
127.0.0.1:6379> set b 2222
OK
127.0.0.1:6379> set c 3333
OK
127.0.0.1:6379> set d 4444
OK
127.0.0.1:6379> DBSIZE
(integer) 4

redis-cli  -h 10.10.8.203 -p 6379 -a password
10.10.8.203:6379> DBSIZE
(integer) 4
10.10.8.203:6379> exit # 退出命令行
# 查看内存
info memory

# Server
# Clients
# Memory
# Persistence
# Stats
# Replication
# CPU
# Cluster
# Keyspace

# 登录从库指定主库地址
127.0.0.1:6379> slaveof 10.10.8.203 6379
OK
# 查看状态
127.0.0.1:6379> info replication

# 免登录指定
redis-cli -p 6381 -h 10.10.8.204 -a Pass0rd SLAVEOF 10.10.8.203 6379
redis-cli -p 6382 -h 10.10.8.206 -a Pass0rd SLAVEOF 10.10.8.203 6379
# 免登录查看状态
redis-cli -p 6379 -h 10.10.8.203 -a Pass0rd info replication
redis-cli -p 6379 -h 10.10.8.204 -a Pass0rd info replication
redis-cli -p 6379 -h 10.10.8.206 -a Pass0rd info replication