Re: [luv-beginners] slow file copy

On 12/11/14 12:51, Steve Roylance wrote:

hi

the file is about 500MB, the source is local disk and the sink is a NFS mounted drive connected over 1Gb/s ethernet. The copy starts with a burst at 20MB/s then slows to less than 100kB/s. So the real time should have been about 30s not 13m30

------------------------------------- $ time cp video.mp4 /media/audio/video/other/Salamander/video.mp4

real 13m30.489s user 0m0.004s sys 0m0.860s -------------------------------------

at the LUV meeting Duncan suggested changing the rsize and wsize parameters from 8192 to 1024 and this change fixed the problem. /bin/mount -o rsize=1024,wsize=1024,soft ... so what is this a symptom Steve