1)
~ # esxcli system visorfs ramdisk list
Ramdisk Name System Reserved Maximum Used Peak Used Free Reserved Free Maximum Inodes Allocated Inodes Used Inodes Mount Point
------------ ------ --------- ---------- -------- --------- ---- ------------- -------------- ---------------- ----------- ---------------------------
root true 32768 KiB 32768 KiB 460 KiB 476 KiB 98 % 98 % 8192 4096 2516 /
etc true 28672 KiB 28672 KiB 280 KiB 316 KiB 99 % 99 % 4096 1024 445 /etc
tmp false 2048 KiB 196608 KiB 4 KiB 344 KiB 99 % 99 % 8192 256 3 /tmp
hostdstats false 0 KiB 454656 KiB 7532 KiB 7532 KiB 98 % 0 % 8192 32 4 /var/lib/vmware/hostd/stats
~ #
2) i'll have to check this later today.