Re: Possible performance problem introduced between kernel 2.6.15 and 2.6.17 on xfs code

[Eric Sandeen <sandeen@xxxxxxxxxxx>]

fdegrassi wrote:
> The specific problem is related to gnome point-n-click only.
> Anyway, I could be wrong, but i don't think it is a bug in gnome because:
> 1. it affects specifically local XFS filesystems only
> 2. the problem is not present on kernel 2.6.15 (I tested 2.6.17 and 
> 2.6.15, both on ubuntu 6.10)
> 3. the problem does not manifest if i disable the call to 
> gnome_vfs_forget_cache, that, for what i understand, simply calls 
> fadvice POSIX_FADV_DONTNEED.
> More info can be found on gnome bugzilla entry.
> Francesco Degrassi
Thanks.  I didn't mean to suggest that it was necessarily a gnome bug, 
just wanted to narrow down the problem.  Do you have any idea if other 
filesystems on 2.6.17 also show this slowdown?
-Eric