[root@vps:~] ls -l /dev/shm/opcache/138dc3bbfb6772d00f2ba10a33e00818/home/
total 0
drwx------ 3 www-user1 user1 60 Feb 27 06:25 user1
drwx------ 3 www-user2 user2 60 Feb 27 06:03 user2

[root@vps:~] df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/simfs       50G  1.1G   49G   3% /
devtmpfs        512M     0  512M   0% /dev
tmpfs           512M   35M  478M   7% /dev/shm
tmpfs           512M  108K  512M   1% /run
tmpfs           512M     0  512M   0% /sys/fs/cgroup
tmpfs           103M     0  103M   0% /run/user/0

[root@geo:~] free -m
              total        used        free      shared  buff/cache   available
Mem:           1024          25         870          49         127         838