Messages in this thread | | | Date | Fri, 22 Feb 2013 10:38:18 +1100 | From | Dave Chinner <> | Subject | Re: [PATCH 0/4] dcache: make Oracle more scalable on large systems |
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On Tue, Feb 19, 2013 at 01:50:55PM -0500, Waiman Long wrote: > It was found that the Oracle database software issues a lot of call > to the seq_path() kernel function which translates a (dentry, mnt) > pair to an absolute path. The seq_path() function will eventually > take the following two locks:
Nobody should be doing reverse dentry-to-name lookups in a quantity sufficient for it to become a performance limiting factor. What is the Oracle DB actually using this path for?
Cheers,
Dave. -- Dave Chinner david@fromorbit.com
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