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Number   :  2488
Date     :  2002-07-17
Author   :  Joseph Maddison
Subject  :  Re: Copy new, delete present/absent
Size(KB) :  0


Try copying a single large file to and from these two locations and time the 
transport each way. As one location is on the network, perhaps it writes faster 
than a local drive, or vice-versa. 

If there's a noticeable speed difference, it's likely not the file searching, 
but the i/o rate of the network and hard drives.

Joseph Maddison
Minneapolis, MN

> >This command takes less than 20 minutes (copy files that are newer):
> >
> >xxcopy \\ccosnetl\litho\ e:\litho\ /bu/bn/k/v2
> >
> >This one, however, takes over an hour (delete files present
> >in 'source' that are absent in 'destination'):
> >
> >xxcopy e:\litho\ \\ccosnetl\litho\ /bu/bb/rsy/pd0/q1
> >
> >E:\LITHO comprises 32 Gigs, 2220 folders, 50000 files.
> >The batch file uses v.2.90.3 Pro.
> >
> >Why is there such a difference in the length of time for each command?



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