>>Yes, this is probably the source of problem. It is on Network drive. If I have time, I'll try the test with file on local drive.
>
>You probably saturated your network with tens of thousands of requests for little "nibbles" of the great big file.
>
>Be careful, or the netadmin "police" will get you ;-)

Well, I just tested on the local drive, and it's still very slow...