04-27-2021, 05:04 AM
I'm interested in the disk I/O performance of the Post4VPS VPSs with NVMe SSD-backed storage (ie VPS-7, VPS-13, VPS-14.)
Thus can you please run the following commands on your VPS and share the output with us:
Thanks!
Thus can you please run the following commands on your VPS and share the output with us:
Code: (Select All)
# Your block device details
lsblk --output "NAME,KNAME,MODEL,HCTL,SIZE,VENDOR,SUBSYSTEMS"
# Investigating the used kernel drivers (virtio vs nvme)
lsmod | grep virt
lsmod | grep nvm
lshw -class storage
lshw -class disk
# Buffered Sequential Write Speed, using @sohamb03's script with the -io flag
./bench.sh -io
# Disk seq.read Speed (Cached)
hdparm -Tt /dev/vda (or /dev/sda)
# Disk seq.read Speed (Direct)
hdparm -Tt --direct /dev/vda (or /dev/sda)
# Disk Latency:
ioping -c 15 /home/mysudoer
ioping -c 15 /dev/vda (or /dev/sda)
# Disk Seek Rate:
ioping -R /dev/vda (or /dev/sda)
# Disk Sequential Speed:
ioping -RL /dev/vda (or /dev/sda)
Thanks!