Cygwin Filesystem Performance degradation 1.7.5 vs 1.7.7, and methods for improving performance

Corinna Vinschen corinna-cygwin@cygwin.com
Thu Oct 7 16:43:00 GMT 2010


On Oct  7 18:24, Derry Shribman wrote:
> Hi,
> 
> >Yes, in theory.  The problem which we have to keep in mind is that
> >caching file meta information for any longer period of time can very
> >quickly result in wrong information, which in turn can result in subtile
> >misbehavior on the application level.  This would be very hard to track
> >down since it's almost impossible to reproduce.  We are not the OS, so
> >we never have real control over all file access.
> 
> If the filesz+ctime+mtime+ino+attributes are all the same, I dont
> see a practical way for the contents of the file to change, unless
> the end-user DELIBERATELY wrote an application to cheat cygwin...

Uh, using the network open info as validation was the part I missed.  My
reading skills are even more crumbling than usual.  Never mind then.


Corinna

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



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