System 配置

System 配置，ansible 管理

ansible all -s -m raw -a '
grep "* - nofile 512000" /etc/security/limits.conf || echo "* - nofile 512000" >> /etc/security/limits.conf
grep "elasticsearch - nproc unlimited" /etc/security/limits.conf || echo "elasticsearch - nproc unlimited" >> /etc/security/limits.conf
grep "fs.file-max = 1024000" /etc/sysctl.conf || echo "fs.file-max = 1024000" >> /etc/sysctl.conf
grep "vm.max_map_count = 262144" /etc/sysctl.conf || echo "vm.max_map_count = 262144" >> /etc/sysctl.conf
grep "vm.swappiness = 1" /etc/sysctl.conf || echo "vm.swappiness = 1" >> /etc/sysctl.conf #禁用 swapping
sysctl -p'