[原创] Redis安装详细手册

# Redis安装手册 [TOC] ## 1.安装文件 本例安装版本为redis4.0，下载好以下安装文件： redis-4.0.0.rc1.gem redis-4.0.2.tar.gz ruby-2.4.2.tar.gz 这里使用两台主机搭建redis集群，30.16.95.138、30.16.95.139，各搭建10个实例。 分别拷贝到两台主机安装目录下 ## 2.编译安装 ### 2.1安装redis 分别解压redis-4.0.2.tar.gz到安装目录 进入根目录执行 ~~~shell make make install ~~~ ### 2.2安装ruby 分别解压ruby-2.4.2.tar.gz到安装目录 进入根目录执行 ```shell make make install ``` 注意账户权限问题，需要部分root权限 ## 3.实例配置 分别在两台主机上执行以下命令（ip需修改），新建实例根目录和生成配置文件，具体配置项可以根据自己需要修改，如果主机由多个磁盘，可以将实例的根目录设置到不同磁盘下，提高IO性能。 ~~~shell for i in {7000..7001};do (mkdir -p /data1/redis/redis-cluster/nodes-$i;cp redis.conf /data1/redis/redis-cluster/nodes-$i;echo " port $i bind 30.16.95.139 daemonize yes cluster-enabled yes cluster-config-file nodes.conf pidfile /data1/redis/redis-cluster/nodes-$i/redis.pid logfile /data1/redis/redis-cluster/nodes-$i/redis.log dir /data1/redis/redis-cluster/nodes-$i save 3600 1 save 600 1000 save 60 100000 dbfilename dump.rdb cluster-node-timeout 60000 cluster-require-full-coverage no appendfsync no masterauth password requirepass password maxmemory 6442450944 " >/data1/redis/redis-cluster/nodes-$i/redis.conf;);done; ~~~ 其中有些系统配置建议修改，以提高redis性能，高于指标的项可以忽略 ~~~shell echo 1 >/proc/sys/vm/overcommit_memory echo never > /sys/kernel/mm/transparent_hugepage/enabled echo 1024>/proc/sys/net/core/somaxconn echo "*hard nproc 262144">> /etc/security/limits.d/90-nproc.conf ~~~ ## 4.安装依赖 之前安装的ruby，现在可以使用其gem安装集群调用的依赖包。 在线安装允许的话，执行以下命令 ~~~shell gem install redis ~~~ 否则离线安装 ~~~ gem install –l redis-4.0.0.rc1.gem ~~~ ## 5.启动实例 在启动前可以配置好ruby和redis的环境变量，下面是直接启动的命令 ~~~shell /data0/soft/redis-4.0.2/src/redis-server /data1/redis/redis-cluster/nodes-7000/redis.conf /data0/soft/redis-4.0.2/src/redis-server /data1/redis/redis-cluster/nodes-7001/redis.conf /data0/soft/redis-4.0.2/src/redis-server /data2/redis/redis-cluster/nodes-7002/redis.conf /data0/soft/redis-4.0.2/src/redis-server /data2/redis/redis-cluster/nodes-7003/redis.conf /data0/soft/redis-4.0.2/src/redis-server /data3/redis/redis-cluster/nodes-7004/redis.conf /data0/soft/redis-4.0.2/src/redis-server /data3/redis/redis-cluster/nodes-7005/redis.conf /data0/soft/redis-4.0.2/src/redis-server /data4/redis/redis-cluster/nodes-7006/redis.conf /data0/soft/redis-4.0.2/src/redis-server /data4/redis/redis-cluster/nodes-7007/redis.conf /data0/soft/redis-4.0.2/src/redis-server /data5/redis/redis-cluster/nodes-7008/redis.conf /data0/soft/redis-4.0.2/src/redis-server /data5/redis/redis-cluster/nodes-7009/redis.conf ~~~ ## 6.启动集群 在任意一台主机上启动集群 ~~~shell /data0/soft/redis-4.0.2/src/redis-trib.rb create --replicas 1 30.16.95.139:7000 30.16.95.139:7001 30.16.95.139:7002 30.16.95.139:7003 30.16.95.139:7004 30.16.95.139:7005 30.16.95.139:7006 30.16.95.139:7007 30.16.95.139:7008 30.16.95.139:7009 30.16.95.139:7000 30.16.95.139:7001 30.16.95.139:7002 30.16.95.139:7003 30.16.95.139:7004 30.16.95.139:7005 30.16.95.139:7006 30.16.95.139:7007 30.16.95.139:7008 30.16.95.139:7009 ~~~ ## 7.维护Redis集群 ### 7.1修改配置 由于两台主机的实例是主从配置，我们可以关闭一台主机的所有实例，修改完配置后再启动实例。 关闭实例： ~~~shell for i in {7000..7009};do /data0/soft/redis-4.0.2/src/redis-cli -h 30.16.95.138 -p $i shutdown;done; ~~~ 启动（略） 当然，我们也可以直接动态修改redis参数，如设置最大可用内存： 注：如果设置密码了，就需要加-a 密码认证参数 ~~~shell for i in {7000..7009};do /data0/soft/redis-4.0.2/src/redis-cli -h 30.16.95.138 -p $i -a password config set maxmemory 6442450944;done; ~~~ ### 7.2常用命令 除了启动关闭之外，还有些命令会用到： ~~~shell #查看集群状态 redis-cli –c –p 7000 -h 30.16.95.138 cluster info/nodes #查看tps redis-cli –c –p 7000 -h 30.16.95.138 -stat #集群操作命令,增删检查 redis-trib.rb check/fix/add-node/del-node 30.16.95.138:7000 #删除指定key，其他操作类推 for i in {7000..7009};do redis-cli -h 30.16.95.139 -p $i -a password keys "DMPKEY*" |xargs -t -i redis-cli -h 30.16.95.139 -p $i -a password DEL {};done; ~~~
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<script>     (adsbygoogle = window.adsbygoogle || []).push({});</script># Redis安装手册 [TOC] ## 1.安装文件 本例安装版本为redis4.0，下载好以下</div><br /><hr><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.2.1/css/bootstrap.min.css" integrity="sha512-siwe/oXMhSjGCwLn+scraPOWrJxHlUgMBMZXdPe2Tnk3I0x3ESCoLz7WZ5NTH6SZrywMY+PB1cjyqJ5jAluCOg==" crossorigin="anonymous" referrerpolicy="no-referrer" />
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