- 时区修正
强制替换系统时区为上海东8时区yes | cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
- 调整主机文件最大打开数
Linux系统默认将同时打开文件的最大数量设置为1024,而设备在批量处理文件的过程中会轻易超过这个设置,而超过后带来的后果就是系统会禁止设备再打开文件,这样设备在处理文件过程中必然失败。经过实验，系统允许最大的文件打开数为:1048576，设置该数的方法如下:echo '* soft nproc 1048576' >> /etc/security/limits.conf echo '* hard nproc 1048576' >> /etc/security/limits.conf echo '* soft nofile 1048576' >> /etc/security/limits.conf echo '* hard nofile 1048576' >> /etc/security/limits.conf echo 'session required pam_limits.so' >> /etc/pam.d/login reboot #可在以下检查项统一检查完毕后重启
- firewalld及selinux状态检查
在硬件防火墙具体的条件下，禁用firewalld和selinux服务systemctl stop firewalld systemctl disable firewalld sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
- 主机性能参数调优
#修改网络连接上限，挂起请求的最大数量.默认是128.对繁忙的服务器,增加该值有助于网络性能 echo 'net.core.somaxconn=32768' >> /etc/sysctl.conf #在内存充足的情况下关闭swap分区，任何进程只要涉及到换页向磁盘写文件都会降低应用程序的性能,默认是60.它设置成0可以尽可能地减少内存和磁盘的延迟。 echo 'vm.swappiness=0' >> /etc/sysctl.conf #修改内存分配策略 echo 'vm.overcommit_memory=1' >> /etc/sysctl.conf #修改虚拟内存 echo 'vm.max_map_count=262144' >> /etc/sysctl.conf sysctl -p
- 随时补充
分类： 发行通用
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