Instalei uma nova instancia na linode e fazendo teste de velocidade do HD veio a surpresa na alta velocidade, aparentemente a instancia está com discos NVMe.
Resultado do teste:
[root@srv ~]# dd if=/dev/zero of=test_$$ bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 1.44999 s, 741 MB/s
[root@srv ~]# clear
[root@srv ~]# dd if=/dev/zero of=test_$$ bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 1.18856 s, 903 MB/s
[root@srv ~]# dd if=/dev/zero of=test_$$ bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 1.10089 s, 975 MB/s
[root@srv ~]# dd if=/dev/zero of=test_$$ bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 1.02076 s, 1.1 GB/s
[root@srv ~]# dd if=/dev/zero of=test_$$ bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 1.11608 s, 962 MB/s
[root@srv ~]# dd if=/dev/zero of=test_$$ bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 1.04745 s, 1.0 GB/s
[root@srv ~]# dd if=/dev/zero of=test_$$ bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 1.05327 s, 1.0 GB/s