On Saturday April 9, [email protected] wrote:
>
> I've just checked, it takes 5.7s to compare 2.4.29{,-hf3} over NFS (13300
> files each) and 1.3s once the trees are cached locally. This is without
> comparing file contents, just meta-data. And it takes 19.33s to compare
> the file's md5 sums once the trees are cached. I don't know if there are
> ways to avoid some NFS operations when everything is cached.
>
> Anyway, the system does not seem much efficient on hard links, it caches
> the files twice :-(
I suspect you'll be wanting to add a "no_subtree_check" export option
on your NFS server...
NeilBrown
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