[wellylug] Writing in slow motion

Timothy Goddard interfecus at gmail.com
Tue May 9 23:21:47 NZST 2006


E.Chalaron wrote:

>Hello
>Thanks for the replies
>
>Basically I am doing 
>cp mybigfile.mov /mnt/usbdisk
>
>No Kde / Gnome clicking around bigfile being on sdb2 (SATA)
>
>Now if I use a script doing
>
>reading mybigfile | rewriting /mnt/usbdisk/copy_of_mybigfile.mov 
>
>I end up with an acceptable speed...
>????
>E
>
>
>  
>
So you mean copying between hard disks is faster than copying from one
location to another on the same drive? This is probably because copying
between drives means one reads while one writes, whereas copying between
directories on the same drive means the same drive has to alternate
reading and writing.




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