On Thursday 22 March 2007 19:37, Kevin Greiner wrote:
> 2^12 is the number of opens, not the number of files. Look at the last line
> of the logs I posted earlier inside the zip file. That's where I copied the
> those numbers from.
Sorry, I must have missed the log files - the 25ms is *per open*, not for all
open operations together.
> > results
> > ... which Windows is that? Are you sure that you really have 1 024 076
> > files in
> > this directory?
> Yes, I'm certain there are 2^20 zero-byte files in the directory. Look at
> line 9 of the create script. Also, it took roughly 10 minutes to create the
> files and another 10 minutes to delete them. It doesn't take that long to
> delete 1024 files. Looking at this directory in Explorer is painful. I
> tried once and gave up. Thankfully svn doesn't have to enumerate the
> contents. I too expected to see worse results than this. As was noted
> elsewhere, the bottleneck must be Explorer and not NTFS.
Well, with 25ms per open it really doesn't matter whether sharded or not.
Kevin, thank you very much!
Regards,
Phil
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Received on Fri Mar 23 08:03:24 2007