185. vmtouch

把一些文件加载的内存buffer

vmtouch -tv files

缓存cephfs文件

for i in {1..25}; do
    ./vmtouch -tv /mnt/cephfs/vdb.1_$i.dir
done



for i in {26..50}; do
    ./vmtouch -tv /mnt/cephfs/vdb.1_$i.dir
done




for i in {51..75}; do
    ./vmtouch -tv /mnt/cephfs/vdb.1_$i.dir
done



for i in {76..100}; do
    ./vmtouch -tv /mnt/cephfs/vdb.1_$i.dir
done