前言 本人在Centos7服务器上启动redis,报如下问题: 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 the
环境:Ubuntu 14.04.4 LTS 安装: apt-get install redis-server 我这边安装没出现什么问题 运行 redis-server 两个警告出来了 1.Warning: no config file specified, using the default config. In order to specify a config file use
linux overcommit 机制会欺骗进程,承诺分配给他的内存空间,只有当这些page被真正touch到的时候才通过缺页机制拿到真正的物理内存。 以下摘自kernel doc The Linux kernel supports the following overcommit handling modes0 - Heuristic overcommit handling. Obviou