In my devstack, the test shows glance upload faster x2 than download, is there an explanation?
$time glance image-download 6ee64b2e-48e3-4dc9-8c43-bc5a4ccc12a9 --file Fedora-Cloud-Base-20141203-21 real 0m51.297s user 0m6.622s sys 0m2.925s ll -sh Fedora-Cloud-Base-20141203-21 3.1G -rw-rw-r-- 1 yuntong yuntong 3.0G 10月 14 16:22 Fedora-Cloud-Base-20141203-21 Local copy has same time consuming with image-download time cp Fedora-Cloud-Base-20141203-21 /tmp/Fedora-Cloud-Base-20141203-21 real 0m50.254s user 0m0.049s sys 0m2.255s glance upload faster x2 than download glance image-delete 6ee64b2e-48e3-4dc9-8c43-bc5a4ccc12a9 glance image-create --name='Fedora-Cloud-Base-20141203-21' --is-public=true --container-format=bare --disk-format=qcow2 < ~/Downloads/Fedora-Cloud-Base-20141203-21.x86_64.raw real 0m23.722s user 0m0.717s sys 0m1.099s
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