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From "OpenLDAP User" <>
Subject <copy> task slow when copying *FROM* a mapped drive
Date Tue, 01 Mar 2005 16:28:52 GMT

There was a recent post about using the <modified> selector when copying
*TO* a mapped drive, to speed up the task. However, I have the reverse
situation - I'm building *FROM* a mapped drive, and copying the files to
a local directory if they've changed.

This operation is incredibly slow. I'm trying to copy hundreds of files
that are images / XML files. They rarely change. However, Ant takes a
long time to determine whether they have been updated or not, even if it
does not end up copying any of the files.

I've tried using the modify selector here too, but it's just as slow
because it does the hash check on the mapped drive. I also tried forcing
an overwrite so that it would always copy the files rather than do the
date check. This was actually slightly faster, but still horrendously slow.

Is there any way to speed up the copy operation when copying FROM a
mapped drive, or are all mechanisms slow on a mapped drive for
determining whether the copy needs to happen? The only other option I
can think of is to pull the copy operations out of the build path, and
require the developer to do the copy manually when it's necessary.


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