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Date: Fri, 23 Nov 2007 09:35:49 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
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Subject: Re: [ANNOUNCEMENT] Updated: [experimental] cygwin-1.5.25-1
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On Nov 22 18:05, Thorsten Kampe wrote:
> * Corinna Vinschen (Thu, 22 Nov 2007 16:42:10 +0100)
> >            ==== CYGWIN THANKSGIVING EDITION ====
> > 
> > I've made the new version of the Cygwin DLL, 1.5.25-1, and associated
> > utilities available for testing.  Version 1.5.24-2 remains the current
> > version for now.
> > 
> > This is a bug fix release.  Important changes since 1.5.24-2:
> 
> Unfortunately the changes that made rsync run about 2 - 6 times faster
> [1] (on a backup of about 100,000 files residing on a FAT32 volume) 
> didn't make it into the prelease.

The change you're talking about does most likely not fit into a bugfix
release, given how much code in the snapshot has changed related to
file and pipe access.

> The first snapshot that exhibited the stunning increase was the 
> snapshot from 2007-08-02 and the last one was the snapshot from 2007-
> 08-13.

You observed this behaviour, you're the guy who can help.  Using gcc and
cvs you should be able to find out which change after the 2007-08-13
snapshot slowed rsync down again.  If you found the change, I'll look
into it.  Promised.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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