Greetings,
I'm having pretty poor performance with remote storage (located in Azure), attached via CIFS:
$ rsync -ah --info=progress2 /mnt/aptly/public/ /tmp/tmp.u5CSfrrFut
591.44M 100% 4.35MB/s 0:02:09 (xfr#701, to-chk=0/1029)
that's what 'mount' says about this share...