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AuthorForum: PowerTCP FTP for .NET
Topic: Set Write Buffer Size?

From: Richland, WA USA
Posts: 5
Member Since: 04/04/03
posted November 1, 2010 7:08 PM

Is there a way to set the write buffer size for FTP transfers? I'm sending large files (> 100GB) to an FTP server that has a relatively high overhead for each block of data received, and the admin has suggested I increase my buffer size to around 8 MB. I got the impression from the docs that the BlockSize property would do what I wanted, but it doesn't seem to make any difference.

Nick B (Admin)

From: Utica, NY USA
Posts: 593
Member Since: 05/25/10

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posted November 2, 2010 12:19 PM

Hey Dave,

The blocksize property should probably be left at its default (8196) due to the default size of TCP packets; this provides about a kb of overhead. Additionally, there appears to be a typo in our documentation: the property is in bytes, not kilobytes.
You'd probably want to instead look at the MaxTransferRate property and test with your server to determine the best transfer rate.

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