redis集群、memcached高可用、vmware esxi
部署redis集群
注意：master和slave不能是同一台服务器的两个端口 环境： 三台服务器：A、B、C 6379：master 6380：slave A：IP：192.168.100.11，port：637九、6380 B：IP：192.168.100.12，port：637九、6380 C：IP：192.168.100.11，port：637九、6380
编译安装node
#安装redis依赖的环境包 [root@localhost soft]# yum -y install gcc gcc-c++ bzip2 [root@localhost soft]# tar -jxvf jemalloc-5.2.0.tar.bz2 [root@localhost soft]# cd jemalloc-5.2.0 [root@localhost jemalloc-5.2.0]# ./configure --prefix=/usr/local/jemalloc [root@localhost jemalloc-5.2.0]# make -j 2 && make install #编译安装redis并设置软链接 [root@localhost soft]# tar -zxvf redis-5.0.5.tar.gz [root@localhost soft]# cd redis-5.0.5 [root@localhost redis-5.0.5]# make MALLOC=jemalloc [root@localhost redis-5.0.5]# make PREFIX=/data/tools/redis-5.0.5 install [root@localhost redis-5.0.5]# mkdir /data/tools/redis-5.0.5/conf [root@localhost redis-5.0.5]# cp redis.conf /data/tools/redis-5.0.5/conf/redis_6379.conf [root@localhost ~]# ln -sv /data/tools/redis-5.0.5 /data/tools/redis ‘/data/tools/redis’ -> ‘/data/tools/redis-5.0.5’ [root@localhost ~]# ln -sv /data/tools/redis/bin/redis-* /usr/bin/ ‘/usr/bin/redis-benchmark’ -> ‘/data/tools/redis/bin/redis-benchmark’ ‘/usr/bin/redis-check-aof’ -> ‘/data/tools/redis/bin/redis-check-aof’ ‘/usr/bin/redis-check-rdb’ -> ‘/data/tools/redis/bin/redis-check-rdb’ ‘/usr/bin/redis-cli’ -> ‘/data/tools/redis/bin/redis-cli’ ‘/usr/bin/redis-sentinel’ -> ‘/data/tools/redis/bin/redis-sentinel’ ‘/usr/bin/redis-server’ -> ‘/data/tools/redis/bin/redis-server’
redis_6379.conf、redis_6380.conf配置（两份配置，除了端口其余都同样）c++
#redis_6379.conf bind 0.0.0.0 daemonize yes pidfile /data/tools/redis/run/redis_6379.pid logfile "/data/tools/redis/logs/redis_6379.log" stop-writes-on-bgsave-error no dbfilename redis6379_dump.rdb dir /data/tools/redis/data/ requirepass 123456 #REPLICATION masterauth 123456 maxmemory 1G #CLUSTER cluster-enabled yes cluster-config-file /data/tools/redis/conf/nodes-6379.conf cluster-node-timeout 15000 cluster-replica-validity-factor 10 cluster-migration-barrier 1 cluster-require-full-coverage yes
添加服务自启动redis
#建立redis启动用户
[root@localhost ~]# groupadd -g 1000 redis && useradd -u 1000 -g 1000 redis -s /sbin/nologin
[root@localhost ~]# mkdir -pv /data/tools/redis/{conf,logs,data,run}
mkdir: created directory ‘/data/tools/redis/logs’
mkdir: created directory ‘/data/tools/redis/data’
mkdir: created directory ‘/data/tools/redis/run’
[root@localhost ~]# chown redis.redis -R /data/tools/redis/
#添加服务自启动redis6379.service、redis6380.service（除了配置文件名字不同，其余同样）
[root@localhost ~]# cat /usr/lib/systemd/system/redis6379.service
Description=Redis persistent key-value database
After=network.target
After=network-online.target
Wants=network-online.target
[Service]
ExecStart = /data/tools/redis/bin/redis-server /data/tools/redis/conf/redis_6379.conf --supervised systemd
ExecReload = /bin/kill -s HUP $MAINPID
ExecStop = /bin/kill -s QUIT $MAINPID
Type = notify
User = redis
Group = redis
RuntimeDirectory = redis
RuntimeDirectoryMode = 0755
[Install]
WantedBy=multi-user.target
#设置开机启动并启动服务，每台服务器启动6379和6380端口
[root@localhost ~]# systemctl daemon-reload
[root@localhost ~]# systemctl enable --now redis6379
Created symlink from /etc/systemd/system/multi-user.target.wants/redis.service to /usr/lib/systemd/system/redis.service.
验证服务数据库
#637九、6380为客户端服务端口 #1637九、16380为服务端服务端口 [root@localhost ~]# ss -tln State Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 128 *:6379 *:* LISTEN 0 128 *:6380 *:* LISTEN 0 128 *:22 *:* LISTEN 0 128 *:16379 *:* LISTEN 0 128 *:16380 *:* LISTEN 0 128 :::22 :::*
建立集群vim
[root@localhost ~]# redis-cli -a 123456 --cluster create 192.168.100.11:6379 192.168.100.11:6380 192.168.100.12:6379 192.168.100.12:6380 192.168.100.13:6379 192.168.100.13:6380 --cluster-replicas 1 Warning: Using a password with '-a' or '-u' option on the command line interface may not be safe. >>> Performing hash slots allocation on 6 nodes... Master[0] -> Slots 0 - 5460 Master[1] -> Slots 5461 - 10922 Master[2] -> Slots 10923 - 16383 Adding replica 192.168.100.12:6380 to 192.168.100.11:6379 Adding replica 192.168.100.13:6380 to 192.168.100.12:6379 Adding replica 192.168.100.11:6380 to 192.168.100.13:6379 M: 6ea21fa0bd64dc75c065e7d0da7c8c3bbdfbb200 192.168.100.11:6379 slots:[0-5460] (5461 slots) master S: 047b0910f7268161e25199ac1e797a5ea1fe1e59 192.168.100.11:6380 replicates 5894c491e89d893ba90deb85b282dc008d4e16c6 M: 1962b458826fef76e3b92a06e94dd82e4285854a 192.168.100.12:6379 slots:[5461-10922] (5462 slots) master S: 9be6ef428dda8b0fef89e2bb7bdee4de56cb8296 192.168.100.12:6380 replicates 6ea21fa0bd64dc75c065e7d0da7c8c3bbdfbb200 M: 5894c491e89d893ba90deb85b282dc008d4e16c6 192.168.100.13:6379 slots:[10923-16383] (5461 slots) master S: 60bae29c47b0265fbf0f873b593aee62b7d4e215 192.168.100.13:6380 replicates 1962b458826fef76e3b92a06e94dd82e4285854a Can I set the above configuration? (type 'yes' to accept): yes >>> Nodes configuration updated >>> Assign a different config epoch to each node >>> Sending CLUSTER MEET messages to join the cluster Waiting for the cluster to join ... >>> Performing Cluster Check (using node 192.168.100.11:6379) M: 6ea21fa0bd64dc75c065e7d0da7c8c3bbdfbb200 192.168.100.11:6379 slots:[0-5460] (5461 slots) master 1 additional replica(s) S: 047b0910f7268161e25199ac1e797a5ea1fe1e59 192.168.100.11:6380 slots: (0 slots) slave replicates 5894c491e89d893ba90deb85b282dc008d4e16c6 S: 60bae29c47b0265fbf0f873b593aee62b7d4e215 192.168.100.13:6380 slots: (0 slots) slave replicates 1962b458826fef76e3b92a06e94dd82e4285854a M: 1962b458826fef76e3b92a06e94dd82e4285854a 192.168.100.12:6379 slots:[5461-10922] (5462 slots) master 1 additional replica(s) M: 5894c491e89d893ba90deb85b282dc008d4e16c6 192.168.100.13:6379 slots:[10923-16383] (5461 slots) master 1 additional replica(s) S: 9be6ef428dda8b0fef89e2bb7bdee4de56cb8296 192.168.100.12:6380 slots: (0 slots) slave replicates 6ea21fa0bd64dc75c065e7d0da7c8c3bbdfbb200 [OK] All nodes agree about slots configuration. >>> Check for open slots... >>> Check slots coverage... [OK] All 16384 slots covered.
检查集群服务器
[root@localhost ~]# redis-cli --cluster info 192.168.100.11:6379 -a 123456 Warning: Using a password with '-a' or '-u' option on the command line interface may not be safe. 192.168.100.11:6379 (6ea21fa0...) -> 0 keys | 5461 slots | 1 slaves. 192.168.100.12:6379 (1962b458...) -> 0 keys | 5462 slots | 1 slaves. 192.168.100.13:6379 (5894c491...) -> 0 keys | 5461 slots | 1 slaves. [OK] 0 keys in 3 masters. 0.00 keys per slot on average. [root@localhost ~]# redis-cli --cluster check 192.168.100.11:6379 -a 123456 Warning: Using a password with '-a' or '-u' option on the command line interface may not be safe. 192.168.100.11:6379 (6ea21fa0...) -> 0 keys | 5461 slots | 1 slaves. 192.168.100.12:6379 (1962b458...) -> 0 keys | 5462 slots | 1 slaves. 192.168.100.13:6379 (5894c491...) -> 0 keys | 5461 slots | 1 slaves. [OK] 0 keys in 3 masters. 0.00 keys per slot on average. >>> Performing Cluster Check (using node 192.168.100.11:6379) M: 6ea21fa0bd64dc75c065e7d0da7c8c3bbdfbb200 192.168.100.11:6379 slots:[0-5460] (5461 slots) master 1 additional replica(s) S: 60bae29c47b0265fbf0f873b593aee62b7d4e215 192.168.100.13:6380 slots: (0 slots) slave replicates 1962b458826fef76e3b92a06e94dd82e4285854a S: 047b0910f7268161e25199ac1e797a5ea1fe1e59 192.168.100.11:6380 slots: (0 slots) slave replicates 5894c491e89d893ba90deb85b282dc008d4e16c6 M: 1962b458826fef76e3b92a06e94dd82e4285854a 192.168.100.12:6379 slots:[5461-10922] (5462 slots) master 1 additional replica(s) S: 9be6ef428dda8b0fef89e2bb7bdee4de56cb8296 192.168.100.12:6380 slots: (0 slots) slave replicates 6ea21fa0bd64dc75c065e7d0da7c8c3bbdfbb200 M: 5894c491e89d893ba90deb85b282dc008d4e16c6 192.168.100.13:6379 slots:[10923-16383] (5461 slots) master 1 additional replica(s) [OK] All nodes agree about slots configuration. >>> Check for open slots... >>> Check slots coverage... [OK] All 16384 slots covered.
能够看到，至此redis的cluster建立完成。网络
memcached高可用
经过yum 安装与气动app
yum -y install memcached
#cat /etc/sysconfig/memcached
PORT="11211" #监听端口
PORT="memcached" #气动用户
MAXCONN="1024" 最大链接数
CACHESIZE="1024" #最大使用内存
OPTIONS="" 其余选项
#气动
systemctl start memcached
#验证服务
[root@localhost ~]# ps -ef|grep memcached
memcach+ 10767 1 0 13:22 ? 00:00:00 /usr/bin/memcached -u memcached -p 11211 -m 64 -c 1024
root 10775 9419 0 13:22 pts/0 00:00:00 grep --color=auto memcached
[root@localhost ~]# netstat -tunlpa|grep memcached
tcp 0 0 0.0.0.0:11211 0.0.0.0:* LISTEN 10767/memcached
tcp6 0 0 :::11211 :::* LISTEN 10767/memcached
udp 0 0 0.0.0.0:11211 0.0.0.0:* 10767/memcached
udp6 0 0 :::11211 :::* 10767/memcached
#部署repcached实现双主
[root@localhost ~]# yum -y install lievent libevent-devel
[root@localhost ~]# mkdir -p /data/soft
[root@localhost ~]# cd /data/soft/
[root@localhost soft]# tar -zxvf memcached-1.2.8-repcached-2.2.1.tar.gz
[root@localhost memcached-1.2.8-repcached-2.2.1]# ./configure \
--prefix=/data/tools/repcached --enable-replication
#报错
[root@localhost memcached-1.2.8-repcached-2.2.1]# make && make install
make all-recursive
make[1]: Entering directory `/data/soft/memcached-1.2.8-repcached-2.2.1'
Making all in doc
make[2]: Entering directory `/data/soft/memcached-1.2.8-repcached-2.2.1/doc'
make[2]: Nothing to be done for `all'.
make[2]: Leaving directory `/data/soft/memcached-1.2.8-repcached-2.2.1/doc'
make[2]: Entering directory `/data/soft/memcached-1.2.8-repcached-2.2.1'
gcc -DHAVE_CONFIG_H -I. -DNDEBUG -g -O2 -MT memcached-memcached.o -MD -MP -MF .deps/memcached-memcached.Tpo -c -o memcached-memcached.o `test -f 'memcached.c' || echo './'`memcached.c
memcached.c: In function ‘add_iov’:
memcached.c:697:30: error: ‘IOV_MAX’ undeclared (first use in this function)
if (m->msg_iovlen == IOV_MAX ||
^
memcached.c:697:30: note: each undeclared identifier is reported only once for each function it appears in
make[2]: *** [memcached-memcached.o] Error 1
make[2]: Leaving directory `/data/soft/memcached-1.2.8-repcached-2.2.1'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/data/soft/memcached-1.2.8-repcached-2.2.1'
make: *** [all] Error 2
#解决,删除57和60行这个
[root@localhost memcached-1.2.8-repcached-2.2.1]# vim memcached.c
#if defined(__FreeBSD__) || defined(__APPLE__)
#endif
#验证是否可执行,-x为对方主的ip地址,-X为数据库同步端口
#server1操做
[root@localhost ~]# /data/tools/repcached/bin/memcached -d -m 11211 -u root -c 2048 -x 192.168.100.12 -X 16000
[root@localhost ~]# ss -tln
State Recv-Q Send-Q Local Address:Port Peer Address:Port
LISTEN 0 128 *:11211 *:*
LISTEN 0 128 *:6379 *:*
LISTEN 0 128 *:6380 *:*
LISTEN 0 128 *:22 *:*
LISTEN 0 128 *:16379 *:*
LISTEN 0 128 *:16380 *:*
LISTEN 0 128 *:16000 *:*
LISTEN 0 128 :::11211 :::*
LISTEN 0 128 :::22 :::*
#server2操做
[root@localhost ~]# /data/tools/repcached/bin/memcached -d -m 11211 -u root -c 2048 -x 192.168.100.11 -X 16000
[root@localhost ~]# ss -tln
State Recv-Q Send-Q Local Address:Port Peer Address:Port
LISTEN 0 128 *:11211 *:*
LISTEN 0 128 *:6379 *:*
LISTEN 0 128 *:6380 *:*
LISTEN 0 128 *:22 *:*
LISTEN 0 128 *:16379 *:*
LISTEN 0 128 *:16380 *:*
LISTEN 0 128 *:16000 *:*
LISTEN 0 128 :::11211 :::*
LISTEN 0 128 :::22
#验证
#server1操做，链接server2的服务器
[root@localhost ~]# yum -y install telnet
[root@localhost ~]# telnet 192.168.100.11 11211
Trying 192.168.100.11...
Connected to 192.168.100.11.
Escape character is '^]'.
set name 0 0 4
jack
STORED
stored
ERROR
get name
VALUE name 0 4
jack
END
quit
#server1上查看数据是否同步
[root@localhost ~]# telnet 192.168.100.11 11211
Trying 192.168.100.11...
Connected to 192.168.100.11.
Escape character is '^]'.
get name
END
set name 0 0 4
jack
STORED
get name
VALUE name 0 4
jack
END
quit
Connection closed by foreign host.
[root@localhost ~]# telnet 192.168.100.12 11211
Trying 192.168.100.12...
Connected to 192.168.100.12.
Escape character is '^]'.
get name
VALUE name 0 4
jack
END
quit
Connection closed by foreign host.
能够看到memcached高可用正常tcp
安装 Vmware esxi
基于vmware workstation虚拟机运行vmware esxi，安装两台esxi服务器，IP地址分为是192.168.126.128/129ide
稍后指定操做系统
选择esxi版本（由于咱们装的是7.0没有，因此就选择了6.x）
选择保存的位置
选择磁盘容量
自定义硬件
配置内存
配置处理器数量，开启虚拟化（不开启后期会报错）
选择镜像
开始安装esxi节点
加载内核
加载驱动
确认安装
赞成协议，按F11
扫描可用硬盘
选择硬盘并安装
设置管理员密码
开始安装
安装过程当中
安装完成
配置IP地址：将服务器配置为静态IP地址，当前为DHCP获取的IP地址。
配置界面进程登陆，按F2进行登陆
登陆服务器
输入安装过程当中管理员密码，管理员帐号为root，密码为安装过程当中设置的密码
配置静态IP地址：
当前为DHCP获取的IP地址
更改IP地址为静态IP地址、配置DNS并重启网络服务
输入Y保存至此vmware esxi安装和配置基本完成。
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