$ docker volume create --driver local --opt type=nfs --opt o=addr=host.docker.internal,rw,nolock,hard,nointr,nfsvers=3,acregmin=1,acdirmin=1 --opt device=:/Users Users $ docker run --privileged -it -v Users:/Users -w `pwd` --rm norionomura/swift:421 bash -c "time dd if=/dev/zero of=test bs=1k count=100000" 100000+0 records in 100000+0 records out 102400000 bytes (102 MB, 98 MiB) copied, 4.34849 s, 23.5 MB/s real 0m4.365s user 0m0.020s sys 0m0.220sdocker-machine VMware Fusion + NFS $ docker run --privileged -it -v `pwd`:`pwd` -w `pwd` --rm norionomura/swift:421 bash -c "time dd if=/dev/zero of=test bs=1k count=100000" 100000+0 records in 100000+0 records out 102400000 bytes (102 MB, 98 MiB) copied, 1.43024 s, 71.6 MB/s real 0m1.455s user 0m0.030s sys 0m0.180s$ docker run --privileged -it -v `pwd`:`pwd` -w `pwd` --rm norionomura/swift:421 bash -c "time dd if=/dev/zero of=test bs=1k count=100000" 100000+0 records in 100000+0 records out 102400000 bytes (102 MB, 98 MiB) copied, 45.2698 s, 2.3 MB/s real 0m45.259s user 0m0.370s sys 0m4.710sdocker-machineと同等の場合もある。