>>>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...

Are you using a cursor or a file with Exclusive? If you're trying to APPEND to a shared file, it really slows things down. (Then again, this might be the same problem you were having trying to download from my web site.)