1. 设置sysctl参数echo "vm.overcommit_memory=1" >> /etc/sysctl.conf 2. 关闭透明大页echo never > /sys/kernel/mm/transparent_hugepage/enabled 让其重启依然生效 echo "echo never > /sys/kernel/mm/transparent_hugepage/enabled" >>/etc/rc.local chmod +x /etc/rc.local 3. 增加redis资源限制echo "redis soft nofile 2048" >> /etc/security/limits.conf 4. 调低OOM优先级echo {score} > /proc/{pid}/oom_adj 5. TCP Backlog默认值是511,如果Linux的tcp-backlog小于Redis设置的tcp-backlog,那么在redis启动的时候会看到如下日志: WARNING: The TCP backlog setting of 511 cannot beenforced because /proc/sys/net/core/somaxconn is set to the lower value of 128. 查看方法: cat/proc/sys/net/core/somaxconn 修改它: echo 511 > /proc/sys/net/core/somaxconn |
|