- Disk:
- IO Scheduler
- CFQ
- deadline
- anticipatory
- NOOP
- /sys/block/<device>/queue/scheduler
- Memory:
MMU 两种内存芯片
TLB
vm.swapiness=(0..100); 使用交换分区的倾向性, 60
overcommit_memory: 过量使用
overcommit_ratio
充分使用物理内存:
1,swap 跟 RAM 一样大, swappiness=0;
2,overcommit_memory=2 , overcommit_ratio=100 , swappiness=0
tcp_max_tw_buckets: 调大
tw: 连接个数
established --> tw
来源: http://www.bubuko.com/infodetail-3201322.html