Shulou(Shulou.com)06/01 Report--

Redis stand-alone installation 0. Install dependency packages

Yum-y install lrzsz gcc unzip autoconf docbook-style-xsl

1. Download redis source code redis.io2. Upload to the server and compile, install

Rz redis-4.0.10.tar.gz

Tar xzvf redis-4.0.10.tar.gz

Make

Make PREFIX=/usr/local/redis install

3. System configuration

A: vim / etc/sysctl.conf

Append vm.overcommit_memory=1

Parameter meaning: default is 0

0, which means that the kernel will check whether there is enough memory available for the application process; if there is enough memory available, the memory request is allowed; otherwise, the memory request fails and the error is returned to the application process.

1, which means that the kernel allows all physical memory to be allocated, regardless of the current memory state.

2, indicating that the kernel allows more than the sum of all physical memory and swap space to be allocated

B: vim / etc/sysctl.conf

Append: net.core.somaxconn=1024

Parameter meaning: default is 128

Net.core.somaxconn is a kernel parameter in linux, which represents the upper limit of backlog for socket snooping (listen).

C: vim / etc/rc.local

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

Parameter meaning: THP will cause memory locks to affect the performance of redis

Add execution permission: chmod + x / etc/rc.d/rc.local

4.redis configuration

Ip setting: bind 192.168.1.22

Port setting: port 6380

Background operation: daemonize yes

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