On Mon, 5 Sep 2011, Alexander Lamaison wrote:
I was mistaken. If the initial buffer is 3970000 bytes, it succeeds one the first read and blocks on the second. If the initial buffer is 3970001 it blocks and the first read.
Hm. That's a very large buffer. I wonder if we perhaps should do something in sftp_read() to set a cap on how much read-ahead it can do when a very large buffer is passed in.
I think liuzl might be right that it can be a window-size related problem since most SSH servers will not provide a 3970000 * 4 window.
It would be useful to get more feedback on his patch so that we can get that applied before we put the next release together.
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