redis系列（一）-----日常使用详解

sunny03

[root@redis redis]# redis-server /app/redis/conf/redis.conf &  #指定配置文件后台启动，端口默认是6379　　
[1] 13712
　　
[root@redis redis]# 13712:M 12 Jul11:05:52.225 * Increased maximum number of open files to 10032 (it wasoriginally set to 1024).
　　
                _._
　　
          _.-``__ ''-._
　　
     _.-``    `.  `_. ''-._           Redis 3.0.2(00000000/0) 64 bit
　　
.-`` .-```.  ```\/    _.,_ ''-._
　　
(   '      ,       .-` | `,    )     Running in standalone mode
　　
|`-._`-...-` __...-.``-._|'` _.-'|   Port: 6379
　　
|   `-._   `._    /    _.-'    |     PID: 13712
　　
`-._    `-._  `-./ _.-'    _.-'
　　
|`-._`-._   `-.__.-'    _.-'_.-'|
　　
|   `-._`-._        _.-'_.-'    |          http://redis.io
　　
`-._    `-._`-.__.-'_.-'    _.-'
　　
|`-._`-._   `-.__.-'    _.-'_.-'|
　　
|   `-._`-._        _.-'_.-'    |
　　
`-._    `-._`-.__.-'_.-'    _.-'
　　
     `-._    `-.__.-'    _.-'
　　
         `-._        _.-'
　　
              `-.__.-'
　　

　　
13712:M 12 Jul 11:05:52.229 # Serverstarted, Redis version 3.0.2
　　
13712:M 12 Jul 11:05:52.229 # WARNINGovercommit_memory is set to 0! Background save may fail under low memorycondition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf andthen reboot or run the command 'sysctl vm.overcommit_memory=1' for this to takeeffect.
　　
13712:M 12 Jul 11:05:52.229 # WARNING youhave Transparent Huge Pages (THP) support enabled in your kernel. This willcreate latency and memory usage issues with Redis. To fix this issue run thecommand '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.
　　
13712:M 12 Jul 11:05:52.229 # WARNING: TheTCP backlog setting of 511 cannot be enforced because/proc/sys/net/core/somaxconn is set to the lower value of 128.
　　
13712:M 12 Jul 11:05:52.229 * DB loadedfrom disk: 0.000 seconds
　　
13712:M 12 Jul 11:05:52.229 * The server isnow ready to accept connections on port 6379
　　
[root@redis redis]#
　　
[root@redis redis]# echo"vm.overcommit_memory = 1" >> /etc/sysctl.conf
　　
[root@redis redis]# sysctl -p
　　
net.ipv4.ip_forward = 0
　　
net.ipv4.conf.default.rp_filter = 1
　　
net.ipv4.conf.default.accept_source_route =0
　　
kernel.sysrq = 0
　　
kernel.core_uses_pid = 1
　　
net.ipv4.tcp_syncookies = 1
　　
net.bridge.bridge-nf-call-ip6tables = 0
　　
net.bridge.bridge-nf-call-iptables = 0
　　
net.bridge.bridge-nf-call-arptables = 0
　　
kernel.msgmnb = 65536
　　
kernel.msgmax = 65536
　　
kernel.shmmax = 68719476736
　　
kernel.shmall = 4294967296
　　
vm.overcommit_memory = 1