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Table 1. The write transfer rates for a port of the original

write cmd. dd=if=/dev/zero of=/dev/nd0 bs=1024 count=32000
NBD bs=1K 0.04user 5.54system 0:26:67elapsed 20.9%CPU 1.23MBps
write cmd. dd=if=/dev/zero of=/dev/nfs bs=1024 count=32000
NFS r/wsize=1K 0.15user 7.46system 0:43.58elapsed 17.0%CPU 0.75MBps
write cmd. dd=if=/dev/zero of=/dev/nfs bs=4096 count=8000
NFS r/wsize=4K 0.03user 3.94system 0:35.18elapsed 11.0%CPU 0.93MBps