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Message-ID: <3DA74791.2040406@lapo.it>
Date: Fri, 11 Oct 2002 23:50:09 +0200
From: Lapo Luchini <lapo AT lapo DOT it>
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To: Heitzso <heitzso AT bellsouth DOT net>, Mailing List: CygWin <cygwin AT cygwin DOT com>
Subject: Re: rsync on Cygwin ... possible problem
References: <1034351604 DOT 9179 DOT 25 DOT camel AT zen>
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Heitzso wrote:

>Hi Lapo,
>
>I was building up a synchronization mechanism for
>a distributed metadata environment and the scripts
>ran fine on Linux but tangled on Cygwin/rsync.
>
>Behavior is that the cygwin rsync blocks after
>some number of consecutive/sequential but rapid rsync
>commands, ?? 20 ?? 
>
>When I substitute scp (with appropriate change
>of parameters for scp) the scripts work fine
>on cygwin.
>
>Parameters using:
>
>rsync -e ssh --blocking-io --compress --ignore-times 
>scp -qBC
>
>I have no idea if the problem is rooted in:
>	Win2K 
>	cygwin (current)
>	rsync port on cygwin
>
>Feel free to email me if you want the actual
>message.  I'm under a lot of pressure to get
>this out the door so don't have time to dig
>into much more than passing this flag on to 
>you.
>
>BTW, please do not treat this as a complaint,
>I'm very grateful that Cygwin exists and is
>available for us to use.  I'm just trying to
>help out by relaying information upstream.
>  
>
I know of the problem, but unfortunately in this period I have too few 
time to debug it extensively.
Someone else seems to have done it though:
http://sources.redhat.com/ml/cygwin/2002-09/msg01155.html
http://sources.redhat.com/ml/cygwin/2002-10/msg00296.html

In the first message there is an analysis that seems to indicate that is 
"cygwin's fault" but that there can be a patch do rsync itswelf to avoid 
the problem.
The second message contains a precompiled EXE with the patch included.

I had yet no time to study relevant cygwinsources to find a real "solution".

BTW: please use the ML for questions so that everyone can read it

Lapo


-- 
Lapo 'Raist' Luchini
lapo AT lapo DOT it (PGP & X.509 keys available)
http://www.lapo.it (ICQ UIN: 529796)



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