On Wed, May 07, 2008 at 10:56:19PM -0600, Rob Bosch wrote: >I've been testing cygwin 1.7 on Server 2008 with rsync. First, the install >went flawlessly. I'm just using a standard path of E:\cygwin...no fstab >issues. > >Compiling rsync worked without a hitch. The rsync version is 3.02 with the >preallocate patch applied. The patch takes advantage of the posix_fallocate >feature. > >There have been two major improvements I've seen with the 1.7 build on >Server 2008: > >- The long file name errors that used to always be a problem are no longer >there which is great news. >- The overall I/O performance is much higher. I don't have hard statistics >but have been watching throughput on the SAN connected to the server. With >old cygwin and Server 2003 I was lucky to get sustained throughput of >40M-50M. Now I'm seeing throughput of 100M-120M all the time with bursts >much higher. It is possible the performance gain is helped by Server 2008 >as I have not attempted to run the old cygwin on 2008 for a true comparison. >I think a lot of it is also in the cygwin version since I'm sending the >email to that list. :) > >Sorry I don't have any more hard data as we continue testing 1.7. Thought >I'd at least let you know some of the nice things I'm seeing.
If you're using pipes in any capacity I would expect that you'd see some improvement in throughput since I rewrote the I/O handling there to remove the old head-standing which was necessary for Windows 9x. cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
