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Date:	Wed, 12 Nov 2008 21:45:34 -0500
From:	Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: cygwin 1.5.25-15: cwrsync 2.1.3 "hangs" when 80 mb of 100 gb data network folder is to be transmitted
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On Wed, Nov 12, 2008 at 05:53:30PM -0800, Herb Maeder wrote:
>On 11 Nov 2008 12:22:42 EST, Linus Hicks wrote:
>> > So the question is what is wrong? I can't beleive that rsync can't handle 
>> > with such a big volume of data when it is necessary to transmit only a 
>> > small part of it.
>> >
>> > Any ideas and suggestions would be very much appreciated.
>> 
>> This is probably not Cygwin specific, so I suggest you also check on
>> the rsync mailing list.
>
>Actually, it is quite likely that the problem is cygwin specific.  The
>combination of cygwin-1.5 + sshd + rsync is known to have problems which
>make rsync transfers hang.  I believe the problem is related to transfering
>directories containing large number of files.
>
>For instance, this hangs for me quite consistently (from some directory not
>in /usr):
>
>    rsync -va localhost:/usr/ usr.copy
>
>See this thread for more details on the problem:
>
>    http://www.sourceware.org/ml/cygwin/2006-04/msg00863.html
>
>Basically the problem is rooted in the pipe implementation for cygwin-1.5.
>So the good news it that this problem appears to be fixed in cygwin-1.7.

AFAIK it isn't fixed in Cygwin 1.7.

cgf

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