rsync and many files

Chris Dunlop chris at onthe.net.au
Thu Jun 9 02:45:37 MDT 2011


Kevin Korb <kmk <at> sanitarium.net> writes:
> A lot of this has to do with the filesystems and operating systems involved.
> 
> Since you didn't specify I will guess Linux with ext3.  If that is the
> case run don't walk to ext4.  Also, mount the filesystems with the
> noatime and nodiratime options.  This will prevent every stat() call
> from also writing to the filesystem which can be a huge performance benefit.

Note: noatime includes nodiratime, i.e. there's no need to include both.

E.g. see http://lwn.net/Articles/245002/




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