Some hardware information are attached below.

uname
Linux 5.8.0-31-generic #33-Ubuntu SMP Mon Nov 23 18:44:54 UTC 2020 x86_64 x86_64 GNU/Linux
cat /sys/block/sda/queue/scheduler
[mq-deadline] none
df
Filesystem 1K-blocks Used Available Use% Mounted on
tmpfs 814632 1804 812828 1% /run
/dev/sda4 205414308 58017176 136892940 30% /
tmpfs 4073152 157196 3915956 4% /dev/shm
tmpfs 5120 4 5116 1% /run/lock
tmpfs 4096 0 4096 0% /sys/fs/cgroup
/dev/nvme0n1p1 200704 39108 161596 20% /boot/efi
tmpfs 814628 7524 807104 1% /run/user/1000
lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: 48 bits physical, 48 bits virtual
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 2
Core(s) per socket: 2
Socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 21
Model: 101
Model name: AMD PRO A12-8870 R7, 12 COMPUTE CORES 4C+8G
Stepping: 1
Frequency boost: enabled
CPU MHz: 1742.286
CPU max MHz: 3700.0000
CPU min MHz: 1400.0000
BogoMIPS: 7385.68
Virtualization: AMD-V
L1d cache: 64 KiB
L1i cache: 192 KiB
L2 cache: 2 MiB
NUMA node0 CPU(s): 0-3
fdisk -l
Disk /dev/loop0: 97.74 MiB, 102486016 bytes, 200168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop1: 55.32 MiB, 58007552 bytes, 113296 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop2: 97.86 MiB, 102612992 bytes, 200416 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop3: 255.57 MiB, 267980800 bytes, 523400 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop4: 217.89 MiB, 228478976 bytes, 446248 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/loop5: 140 KiB, 143360 bytes, 280 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes