如何编译安装redisd
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安装方法：
yum安装
查看yum仓库redis版本
[root@centos ~]# yum list redis Loaded plugins: fastestmirror, langpacks Loading mirror speeds from cached hostfile Available Packages redis.x86_64 3.2.12-2.el7 myepel
yum安装
[root@centos ~]# yum install redis -y
启动服务并设为开机启动
[root@centos ~]# systemctl enable --now redis Created symlink from /etc/systemd/system/multi-user.target.wants/redis.service to /usr/lib/systemd/system/redis.service.
查看redis端口
[root@centos ~]# ss -ntl State Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 128 127.0.0.1:631 *:* LISTEN 0 100 127.0.0.1:25 *:* LISTEN 0 128 127.0.0.1:6010 *:* LISTEN 0 128 *:54909 *:* LISTEN 0 128 127.0.0.1:6379 *:* # 这个是redis端口 LISTEN 0 128 *:111 *:* LISTEN 0 5 192.168.122.1:53 *:*
测试登录redis
[root@centos ~]# redis-cli 127.0.0.1:6379> info # Server redis_version:3.2.12 redis_git_sha1:00000000 redis_git_dirty:0 redis_build_id:7897e7d0e13773f redis_mode:standalone os:Linux 3.10.0-1062.el7.x86_64 x86_64 arch_bits:64 multiplexing_api:epoll gcc_version:4.8.5 process_id:2914 run_id:c75137717c54caa78bb05757d05c91471ef5817f tcp_port:6379 uptime_in_seconds:175 uptime_in_days:0 hz:10 lru_clock:4329484 executable:/usr/bin/redis-server config_file:/etc/redis.conf # Clients connected_clients:1 client_longest_output_list:0 client_biggest_input_buf:0 blocked_clients:0
测试使用
127.0.0.1:6379> set key1 value1 OK 127.0.0.1:6379> get key1 "value1"
编译安装
下载当前最新release版本redis源码包：http://download.redis.io/releases/
编译安装命令
官方安装命令：https://redis.io/download
# 源码包存放目录 [root@centos ~]# cd /usr/local/src/ # 下载源码包 [root@centos src]# wget http://download.redis.io/releases/redis-5.0.7.tar.gz --2020-02-11 10:37:54-- http://download.redis.io/releases/redis-5.0.7.tar.gz Resolving download.redis.io (download.redis.io)... 109.74.203.151 Connecting to download.redis.io (download.redis.io)|109.74.203.151|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 1984203 (1.9M) [application/x-gzip] Saving to: ‘redis-5.0.7.tar.gz' 100%[===============================================>] 1,984,203 6.75KB/s in 3m 35s 2020-02-11 10:41:39 (9.02 KB/s) - ‘redis-5.0.7.tar.gz' saved [1984203/1984203] # 查看下载好的源码包 [root@centos src]# ll total 1940 -rw-r--r-- 1 root root 1984203 Nov 20 01:06 redis-5.0.7.tar.gz
解压源码包
[root@centos src]# tar xf redis-5.0.7.tar.gz [root@centos src]# ll total 1940 drwxrwxr-x 6 root root 334 Nov 20 01:05 redis-5.0.7 -rw-r--r-- 1 root root 1984203 Nov 20 01:06 redis-5.0.7.tar.gz
创建配置文件、日志、数据等目录
[root@centos ~]# mkdir /apps/redis/{etc,logs,data,run} -p
# 查看目录结构
[root@centos ~]# tree /apps/
/apps/
└── redis
├── data
├── etc
├── logs
└── run进入redis目录编译安装
[root@centos ~]# cd /usr/local/src/redis-5.0.7/ [root@centos redis-5.0.7]# make PREFIX=/apps/redis install cd src && make install make[1]: Entering directory `/usr/local/src/redis-5.0.7/src' CC Makefile.dep make[1]: Leaving directory `/usr/local/src/redis-5.0.7/src' make[1]: Entering directory `/usr/local/src/redis-5.0.7/src' CC adlist.o /bin/sh: cc: command not found make[1]: *** [adlist.o] Error 127 make[1]: Leaving directory `/usr/local/src/redis-5.0.7/src' make: *** [install] Error 2 # 出现以上报错是没有gcc编译器导致的 # 下载gcc编译器 [root@centos redis-5.0.7]# yum install gcc # 记得这里要把之前的redis目录删除重新解压 [root@centos src]# rm -rf redis-5.0.7 [root@centos src]# tar xf redis-5.0.7.tar.gz # 重新进入目录进行编译 [root@centos src]# cd redis-5.0.7/ [root@centos redis-5.0.7]# make PREFIX=/apps/redis install # 指定安装目录 cd src && make install make[1]: Entering directory `/usr/local/src/redis-5.0.7/src' CC Makefile.dep make[1]: Leaving directory `/usr/local/src/redis-5.0.7/src' make[1]: Entering directory `/usr/local/src/redis-5.0.7/src' rm -rf redis-server redis-sentinel redis-cli redis-benchmark redis-check-rdb redis-check-aof *.o *.gcda *.gcno *.gcov redis.info lcov-html Makefile.dep dict-benchmark (cd ../deps && make distclean) make[2]: Entering directory `/usr/local/src/redis-5.0.7/deps' (cd hiredis && make clean) > /dev/null || true (cd linenoise && make clean) > /dev/null || true (cd lua && make clean) > /dev/null || true (cd jemalloc && [ -f Makefile ] && make distclean) > /dev/null || true (rm -f .make-*) make[2]: Leaving directory `/usr/local/src/redis-5.0.7/deps' (rm -f .make-*) ....(省略) Hint: It's a good idea to run 'make test' ;) INSTALL install INSTALL install INSTALL install INSTALL install INSTALL install make[1]: Leaving directory `/usr/local/src/redis-5.0.7/src' # 最后报这个就是编译完成
拷贝配置文件
[root@centos redis-5.0.7]# ll total 276 -rw-rw-r-- 1 root root 115100 Nov 20 01:05 00-RELEASENOTES -rw-rw-r-- 1 root root 53 Nov 20 01:05 BUGS -rw-rw-r-- 1 root root 2381 Nov 20 01:05 CONTRIBUTING -rw-rw-r-- 1 root root 1487 Nov 20 01:05 COPYING drwxrwxr-x 6 root root 192 Feb 11 11:32 deps -rw-rw-r-- 1 root root 11 Nov 20 01:05 INSTALL -rw-rw-r-- 1 root root 151 Nov 20 01:05 Makefile -rw-rw-r-- 1 root root 6888 Nov 20 01:05 MANIFESTO -rw-rw-r-- 1 root root 20555 Nov 20 01:05 README.md -rw-rw-r-- 1 root root 61797 Nov 20 01:05 redis.conf -rwxrwxr-x 1 root root 275 Nov 20 01:05 runtest -rwxrwxr-x 1 root root 280 Nov 20 01:05 runtest-cluster -rwxrwxr-x 1 root root 373 Nov 20 01:05 runtest-moduleapi -rwxrwxr-x 1 root root 281 Nov 20 01:05 runtest-sentinel -rw-rw-r-- 1 root root 9710 Nov 20 01:05 sentinel.conf drwxrwxr-x 3 root root 8192 Feb 11 11:33 src drwxrwxr-x 11 root root 182 Nov 20 01:05 tests drwxrwxr-x 8 root root 4096 Nov 20 01:05 utils [root@centos redis-5.0.7]# cp redis.conf /apps/redis/etc/
启动redis（这个启动方式）
[root@centos redis-5.0.7]# /apps/redis/bin/redis-server /apps/redis/etc/redis.conf 8315:C 11 Feb 2020 11:40:12.016 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo 8315:C 11 Feb 2020 11:40:12.016 # Redis version=5.0.7, bits=64, commit=00000000, modified=0, pid=8315, just started 8315:C 11 Feb 2020 11:40:12.016 # Configuration loaded 8315:M 11 Feb 2020 11:40:12.017 * Increased maximum number of open files to 10032 (it was originally set to 1024). _._ _.-``__ ''-._ _.-`` `. `_. ''-._ Redis 5.0.7 (00000000/0) 64 bit .-`` .-```. ```\/ _.,_ ''-._ ( ' , .-` | `, ) Running in standalone mode |`-._`-...-` __...-.``-._|'` _.-'| Port: 6379 | `-._ `._ / _.-' | PID: 8315 `-._ `-._ `-./ _.-' _.-' |`-._`-._ `-.__.-' _.-'_.-'| | `-._`-._ _.-'_.-' | http://redis.io `-._ `-._`-.__.-'_.-' _.-' |`-._`-._ `-.__.-' _.-'_.-'| | `-._`-._ _.-'_.-' | `-._ `-._`-.__.-'_.-' _.-' `-._ `-.__.-' _.-' `-._ _.-' `-.__.-' 8315:M 11 Feb 2020 11:40:12.017 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128. 8315:M 11 Feb 2020 11:40:12.017 # Server initialized 8315:M 11 Feb 2020 11:40:12.017 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect. 8315:M 11 Feb 2020 11:40:12.017 # WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' as root, and add it to your /etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled. 8315:M 11 Feb 2020 11:40:12.018 * Ready to accept connections
解决当前的警告提示
tcp-backlog
The backlog argument defines the maximum length to which the queue of pending connections for sockfdmay grow. If a connection request arrives when the queue is full, the client may receive an error with an indication of ECONNREFUSED or, if the underlying protocol supports retransmission, the request may be ignored so that a later reattempt at connection succeeds.
backlog参数控制的是三次握手的时候server端收到client ack确认号之后的队列值。
[root@centos ~]# echo 511 > /proc/sys/net/core/somaxconn vm.overcommit_memory
0、表示内核将检查是否有足够的可用内存供应用进程使用；如果有足够的可用内存，内存申请允许；否则，内存申请失败，并把错误返回给应用进程。 1、表示内核允许分配所有的物理内存，而不管当前的内存状态如何。 2、表示内核允许分配超过所有物理内存和交换空间总和的内存
[root@centos ~]# echo "vm.overcommit_memory = 1" >/etc/sysctl.conf transparent hugepage 大页内存动态分配，需要关闭让redis 负责内存管理。 [root@centos ~]# echo never > /sys/kernel/mm/transparent_hugepage/enabled
重启一下服务
# 再次启动服务，警告信息没有了。 [root@centos ~]# /apps/redis/bin/redis-server /apps/redis/etc/redis.conf 1847:C 13 Feb 2020 12:03:59.281 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo 1847:C 13 Feb 2020 12:03:59.281 # Redis version=5.0.7, bits=64, commit=00000000, modified=0, pid=1847, just started 1847:C 13 Feb 2020 12:03:59.281 # Configuration loaded 1847:M 13 Feb 2020 12:03:59.282 * Increased maximum number of open files to 10032 (it was originally set to 1024). _._ _.-``__ ''-._ _.-`` `. `_. ''-._ Redis 5.0.7 (00000000/0) 64 bit .-`` .-```. ```\/ _.,_ ''-._ ( ' , .-` | `, ) Running in standalone mode |`-._`-...-` __...-.``-._|'` _.-'| Port: 6379 | `-._ `._ / _.-' | PID: 1847 `-._ `-._ `-./ _.-' _.-' |`-._`-._ `-.__.-' _.-'_.-'| | `-._`-._ _.-'_.-' | http://redis.io `-._ `-._`-.__.-'_.-' _.-' |`-._`-._ `-.__.-' _.-'_.-'| | `-._`-._ _.-'_.-' | `-._ `-._`-.__.-'_.-' _.-' `-._ `-.__.-' _.-' `-._ _.-' `-.__.-' 1847:M 13 Feb 2020 12:03:59.282 # Server initialized 1847:M 13 Feb 2020 12:03:59.282 * DB loaded from disk: 0.000 seconds 1847:M 13 Feb 2020 12:03:59.282 * Ready to accept connections
编辑redis服务启动脚本
[root@centos ~]# cat /usr/lib/systemd/system/redis.service [Unit] Description=Redis persistent key-value database After=network.target After=network-online.target Wants=network-online.target [Service] #ExecStart=/usr/bin/redis-server /etc/redis.conf --supervised systemd ExecStart=/apps/redis/bin/redis-server /apps/redis/etc/redis.conf --supervised systemd ExecReload=/bin/kill -s HUP $MAINPID ExecStop=/bin/kill -s QUIT $MAINPID Type=notify User=redis Group=redisRuntimeDirectory=redis RuntimeDirectoryMode=0755 [Install] WantedBy=multi-user.target
添加redis用户
# 添加用户和组 [root@centos ~]# groupadd -g 1001 redis && useradd -u 1001 -g 1001 redis -s /sbin/nologin # 数据目录设置所有者所属组 [root@centos ~]# chown redis.redis -R /apps/redis/ system启动测试 # 开启redis并设为开机启动 [root@centos ~]# systemctl enable --now redis Created symlink from /etc/systemd/system/multi-user.target.wants/redis.service to /usr/lib/systemd/system/redis.service. # 查看端口 [root@centos ~]# ss -tnl State Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 128 127.0.0.1:631 *:* LISTEN 0 100 127.0.0.1:25 *:* LISTEN 0 128 127.0.0.1:6010 *:* LISTEN 0 128 127.0.0.1:6011 *:* LISTEN 0 128 *:43108 *:* LISTEN 0 511 127.0.0.1:6379 *:* # 这个为redis端口 LISTEN 0 128 *:111 *:* LISTEN 0 5 192.168.122.1:53 *:* LISTEN 0 128 *:22 *:* LISTEN 0 128 [::1]:631 [::]:* LISTEN 0 100 [::1]:25 [::]:* LISTEN 0 128 [::1]:6010 [::]:* LISTEN 0 128 [::1]:6011 [::]:* LISTEN 0 128 [::]:59279 [::]:* LISTEN 0 128 [::]:111 [::]:* LISTEN 0 128 [::]:22 [::]:*
客户端连接redis测试
# 这里还没有把这个命令加到PATH变量里 [root@centos ~]# /apps/redis/bin/redis-cli 127.0.0.1:6379> info # Server redis_version:5.0.7 redis_git_sha1:00000000 redis_git_dirty:0 redis_build_id:b0887378c143d6e9 redis_mode:standalone os:Linux 3.10.0-1062.el7.x86_64 x86_64 arch_bits:64 multiplexing_api:epoll atomicvar_api:atomic-builtin gcc_version:4.8.5 process_id:2088 run_id:e0bbd2dc1561d1610565c6c8fb61aa817e30924c tcp_port:6379
创建命令软连接（也可以把这个路径加到PATH变量里面）
[root@centos ~]# ln -sv /apps/redis/bin/redis-* /usr/bin/ ‘/usr/bin/redis-benchmark' -> ‘/apps/redis/bin/redis-benchmark' ‘/usr/bin/redis-check-aof' -> ‘/apps/redis/bin/redis-check-aof' ‘/usr/bin/redis-check-rdb' -> ‘/apps/redis/bin/redis-check-rdb' ‘/usr/bin/redis-cli' -> ‘/apps/redis/bin/redis-cli' ‘/usr/bin/redis-sentinel' -> ‘/apps/redis/bin/redis-sentinel' ‘/usr/bin/redis-server' -> ‘/apps/redis/bin/redis-server' # 命令连接测试 [root@centos ~]# redis-cli 127.0.0.1:6379> info # Server redis_version:5.0.7 redis_git_sha1:00000000 redis_git_dirty:0 redis_build_id:b0887378c143d6e9 redis_mode:standalone os:Linux 3.10.0-1062.el7.x86_64 x86_64 arch_bits:64 multiplexing_api:epoll atomicvar_api:atomic-builtin gcc_version:4.8.5 process_id:2088 run_id:e0bbd2dc1561d1610565c6c8fb61aa817e30924c tcp_port:6379 uptime_in_seconds:755 uptime_in_days:0 [root@centos ~]# ll /apps/redis/bin/ total 32772 -rwxr-xr-x 1 redis redis 4366824 Feb 11 11:33 redis-benchmark # redis性能测试工具 -rwxr-xr-x 1 redis redis 8125216 Feb 11 11:33 redis-check-aof # AOF文件检查工具 -rwxr-xr-x 1 redis redis 8125216 Feb 11 11:33 redis-check-rdb # RDB文件检查工具 -rwxr-xr-x 1 redis redis 4807896 Feb 11 11:33 redis-cli # 客户端工具 lrwxrwxrwx 1 redis redis 12 Feb 11 11:33 redis-sentinel -> redis-server # 哨兵软连接到server -rwxr-xr-x 1 redis redis 8125216 Feb 11 11:33 redis-server # redis 服务启动命令
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