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centos_6.5_on_apu_-_post_install

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centos_6.5_on_apu_-_post_install [2014/05/02 07:42] – [reduce writes: tmpfs for logging and /tmp] admincentos_6.5_on_apu_-_post_install [2014/05/21 18:30] – admin
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 </code> </code>
  
-===SSD tuning=== +bashrc example
-==elevator=noop== +
-Check current elevator setting: +
-  cat /sys/block/sda/queue/scheduler +
-   +
-Set elevator: +
-Add to /etc/rc.local, you can also add it to the kernel line in /etc/grub.conf, but that setting is for all disks. +
-  echo noop >/sys/block/sda/queue/scheduler +
-   +
-==Reduce swappiness== +
-Check current setting: +
-  cat /proc/sys/vm/swappiness +
- +
-Change setting, using /etc/sysctl.conf +
-  vm.swappiness=1 +
-  vm.vfs_cache_pressure=50 +
-Then activate: +
-  sysctl -p +
-   +
-==Edit /etc/fstab== +
-Add noatime,discard to filesystems. +
- +
-==Edit /etc/lvm/lvm.conf== +
-  issue_discards = 1 +
-   +
-====reduce writes: tmpfs for logging and /tmp==== +
-You will lose files in tmpfs after reboot! Use remote syslog for important logs. +
- +
-Edit /etc/fstab:+
 <code> <code>
-tmpfs   /var/log   tmpfs   defaults,size=256m  0 0 +if [ -n "$PS1" ]; then 
-tmpfs   /tmp       tmpfs   defaults,size=64m  0 0+  echo 
 +  sensors |grep temp1 |awk '{print $1 $2}' 
 +fi;
 </code> </code>
- 
  
centos_6.5_on_apu_-_post_install.txt · Last modified: 2021/10/09 15:14 by 127.0.0.1