rsync and many files
Chris Dunlop
chris at onthe.net.au
Thu Jun 9 02:40:25 MDT 2011
On 2011-06-07, Kevin Korb <kmk at sanitarium.net> wrote:
>
> 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 implies nodiratime, i.e. no need to use both.
E.g., see http://lwn.net/Articles/245002/
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