redis-4.0.8在centos的集群安装

 
 一、集群机器 

  三台服务器：先设置hosts 
 
168.2.11  node1 
 
168.2.12  node2 
 
168.2.13  node3

  端口分配： 

  node1:7000 

  node1:7001  

  node2:7002  

  node2:7003  

  node3:7004  

  node3:7005 

 
 1.下载redis-4.0.8 

 
 wget http://download.redis.io/releases/redis-4.0.8.tar.gz
 

 
 make test 

 
 yum install tcl 

 
 make && 
 make 
 install PREFIX=/usr/local/redis   (确定安装目录） 

 
 mkdir -p /usr/local/redis/redis_cluster/ 
 7000 
 
mkdir -p /usr/local/redis/redis_cluster/ 
 7001 

  node1服务器: 

  mkdir -p /usr/local/redis/redis_cluster/7000 

  mkdir -p /usr/local/redis/redis_cluster/7001 

  cp redis.conf /usr/local/redis/redis_cluster/7000 

  cp  redis.conf /usr/local/redis/redis_cluster/7001 

  node2服务器: 

  mkdir -p /usr/local/redis/redis_cluster/7002 

  mkdir -p /usr/local/redis/redis_cluster/7003 

  cp redis.conf /usr/local/redis/redis_cluster/7002 

  cp redis.conf /usr/local/redis/redis_cluster/7003 

  node3服务器: 

  mkdir -p /usr/local/redis/redis_cluster/7004 

  mkdir -p /usr/local/redis/redis_cluster/7005 

  cp redis.conf /usr/local/redis/redis_cluster/7004 

  cp redis.conf /usr/local/redis/redis_cluster/7005 

  192.168.2.11 node1 

  192.168.2.12 node2 

  192.168.2.13 node3 

 
 4：修改redis.conf 

  port  7000                                //端口根据对应的文件夹去配制端口 7000,7001,7002,7003,7004,7005      

  bind 本机ip                               //根据本机所在的IP或hostname去配制 node1 node2 node3 

  daemonize    yes                          //redis后台运行 

  pidfile  /var/run/redis_7000.pid          //pidfile文件对应7000,7001,7002,7003,7004,7005 

  cluster-enabled  yes                      //开启集群  把注释#去掉 

  cluster-config-file  nodes_7000.conf      //集群的配置  配置文件首次启动自动生成 7000,7001,7002,7003,7004,7005 

  cluster-node-timeout  15000               //请求超时  默认15秒，可自行设置 

  appendonly  yes                           //aof日志开启  有需要就开启，它会每次写操作都记录一条日志 

  scp   /usr/local/redis/redis_cluster/7000/redis.conf  node2:/usr/local/redis/redis_cluster/7002 

  scp   /usr/local/redis/redis_cluster/7000/redis.conf  node2:/usr/local/redis/redis_cluster/7003 

  scp   /usr/local/redis/redis_cluster/7000/redis.conf  node3:/usr/local/redis/redis_cluster/7004 

  scp   /usr/local/redis/redis_cluster/7000/redis.conf  node3:/usr/local/redis/redis_cluster/7005 

  5.启动 

  /usr/local/redis/redis-cluster/7000/data/ 

  /usr/local/redis/redis_cluster/7000/data 

  logfile /usr/local/redis/redis_cluster/7000/log 

  cd /usr/local/redis/redis_cluster/7000 

  /usr/local/redis/bin/redis-server /usr/local/redis/redis_cluster/7000/redis.conf 

  /usr/local/redis/bin/redis-server /usr/local/redis/redis_cluster/7001/redis.conf 

  /usr/local/redis/bin/redis-server /usr/local/redis/redis_cluster/7002/redis.conf 

  /usr/local/redis/bin/redis-server /usr/local/redis/redis_cluster/7003/redis.conf 

  /usr/local/redis/bin/redis-server /usr/local/redis/redis_cluster/7004/redis.conf 

  /usr/local/redis/bin/redis-server /usr/local/redis/redis_cluster/7005/redis.conf 

  6.启动集群 

  root@node1 soft]# gem install redis-4.0.0.gem 

  ERROR:  Loading command: install (LoadError) 

  cannot load such file -- zlib 

  ERROR:  While executing gem ... (NoMethodError) 

      undefined method `invoke_with_build_args' for nil:NilClass 

  解决办法是： 

进入ruby源码文件夹

安装ruby自身提供的zlib包

  #cd ext/zlib 

  #ruby ./extconf.rb 

  #make 

  #make install 

 
 问题一： 

 
 问题： 

  /soft/redis-4.0.8/src/redis-trib.rb create --replicas 1 node1:7000 node1:7001 node2:7002  node2:7003  node3:7004 node3:7005 

  /usr/local/ruby/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- redis (LoadError) 

  from /usr/local/ruby/lib/ruby/2.4.0/rubygems/core_ext/kernel_require.rb:55:in `require' 

  from /soft/redis-4.0.8/src/redis-trib.rb:25:in `<main> 

 
 解决办法： 

 
 Ruby的redis接口没有安装，需要安装Redis接口，输入命令 " gem install redis " 进行安装，如下图： 

 
 http://blog.csdn.net/hello_world_qwp/article/details/78261618 

 
 今天yum install的时候出问题了,找了半天才找到一个可行的解决办法 

 
 fastestmirror 
 是yum的一个加速插件，这里是插件提示信息是插件不能用了。 

 
 不能用就先别用呗，禁用掉，先yum了再说。 

 
 1.修改插件的配置文件 

 
 # vi  /etc/yum/pluginconf.d/fastestmirror.conf   

 
 enabled = 1//由1改为0，禁用该插件 

 
 ............................... 

 
 2.修改yum的配置文件 

 
 # vi /etc/yum.conf 

 
 ......................... 

 
 plugins=1//改为0，不使用插件 

 
 ........................ 

 
 清理 删除yum 

 
 yum clean 

 
 yum update 

 
 第一步：安装gcc 、zlib-devel 库 

  注：由于安装系统的时候没有装c编译器 导致很多源码安装的程序无法编译 所以需要在Linux上装c编译器，必须按顺序安装否则安装不会成功 。 

 
 yum -y install gcc gcc-c++ autoconf automake make 

 
 yum install zlib,zlib-devel 

 
 第二步、 离线安装perl5. 

  看看perl的版本： perl -v 

  首先下载最新的perl源码包： 

  wget http://www.cpan.org/src/5.0/perl-5.16.1.tar.gz 

  解压源码包 

  tar -xvf  perl-5.16.1.tar.gz 

  编译并安装,目录可以自定义 

  cd perl-5.16.1 

   ./Configure -des -Dprefix=/usr/local/perl 

  make 

  make test 

  make install 

 
 第三步、我们又得安装OpenSSL才行， 

 
 官网地址： 
 https://www.openssl.org/source/ 
  上次压缩包到服务器，解压， 

 
 1 
  $ tar -xzvf openssl- 
 1.0 
 .2l.tar.gz
 
 2 
  $ cd openssl- 
 1.0 
 .2l
 
 3 
  $ ./config -fPIC --prefix=/usr/local/openssl enable- 
 shared
 
 4 
  $ ./config - 
 t
 
 5 
  $ make && make install 

 
 openssl version  
 - 
 a 

 
 打印版本信息表示成功， 

 
 出现问题，安装有问题，参考  

 
 https://www.cnblogs.com/xuliangxing/p/7146868.html 

 
 https://www.cnblogs.com/xuliangxing/p/7146868.html 

 
 https://www.cnblogs.com/hellxz/p/redis.html 

 
 第四步 
 、 
 离线安装高版本的ruby2.5 

 
 https://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.0.tar.gz 

 
 wget  
 https://cache.ruby-lang.org/pub/ruby/2.5/ruby-2.5.0.tar.gz 

 
  tar -xvf ruby-2.5.0.tar.gz  

 
 $ ./configure --prefix=/usr/local/ruby  
 -prefix是将ruby安装到指定目录，也可以自定义
 
 2 
  $ make && make install 

 
 ln -s /usr/local/ruby/bin/ruby /usr/bin/ruby 

  cd /soft/ruby-2.5.0/ext/openssl       备注：/soft/ruby-2.5.0这个目录是ruby安装包后解压的目录，就是前面提到的ruby离线安装 

 
 $ruby extconf.rb  --with-openssl-include=/usr/local/openssl/include/ --with-openssl-lib=/usr/local/openssl/lib //会生成一个Makefile文件 

 
  问题：extconf.rb:94:in `<main>': OpenSSL library could not be found. You might want to use --with-openssl-dir=<dir> option to specify the prefix where OpenSSL is installed. (RuntimeError) 

  解决办法：修改Make文件的变量  top_srcdir=../.. ，openssl没安装成功的原因， 

  备注：开始下载的是openssl-fips-2.0.16.tar.gz，后面改成1.1.0g.tar.gz 。 

  在当前目录下要执行此命令 

  $ make && make install 

 
  注意：make: *** No rule to make target `/usr/include/ruby/backward.h', needed by `ossl_pkey_ec.o'.  Stop.（搞的很纠结，重新安装ruby) 

 
 $ 
 gem install redis 

 
  Unable to require openssl, install OpenSSL and rebuild ruby (preferred) or use non-HTTPS sources 

 
  Unable to require openssl, install OpenSSL and rebuild Ruby (preferred) or use non-HTTPS sources 

 
 说明Ruby对应的openssl没安装成功 

 
 https://gems.ruby-china.org/ 

 
 启动有错误： 

  ERR Invalid node address specified: node1:7000 (Redis::CommandError) 

 
 openssl: error while loading shared libraries: libssl.so.1.1: cannot open shared object file: No such file or directory 

  这是由于openssl库的位置不正确造成的。 

 
 解决方法： 

  在root用户下执行： 

 
 ln -s /usr/local/lib64/libssl.so.1.1 /usr/lib64/libssl.so.1.1
ln -s /usr/local/lib64/libcrypto.so.1.1 /usr/lib64/libcrypto.so.1.1 

 
 先安装openssl ,然后在安装ruby, 在ruby的ext目录下进行再安装。 

 
 遇到问题了，处理方式参考， 

 
 https://blog.csdn.net/yelllowcong/article/details/78362370 

  /soft/redis-4.0.8/src/redis-trib.rb create --replicas 1 192.168.2.11:7000 192.168.2.11:7001 192.168.2.12:7002  192.168.2.12:7003  192.168.2.13:7004 192.168.2.13:7005 

  cat /etc/sysctl.conf 

  vi /etc/sysctl.conf 

  增加下面的内容 

  vm.overcommit_memory = 1 

  net.core.somaxconn = 2048 

  sysctl -p 

  vi /etc/rc.local 

  echo never > /sys/kernel/mm/transparent_hugepage/enabled 

  echo never > /sys/kernel/mm/transparent_hugepage/defrag 

  chmod +x /etc/rc.d/rc.local 

 
 redis.conf 

  port  7000                                

  bind 192.168.2.11                             

  daemonize    yes                          

  pidfile  /var/run/redis_7000.pid        

  cluster-enabled  yes                     

  cluster-config-file  /usr/local/redis/redis_cluster/nodes_7000.conf      

  cluster-node-timeout  15000               

  dir /usr/local/redis/redis_cluster/7000/data 

  logfile /usr/local/redis/redis_cluster/7000/redis.log   

  appendonly  yes 

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redis-4.0.8在centos的集群安装

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