Hello Marc,
On Tue, Feb 11, 2020 at 1:41 PM Marc Roos <M.Roos@xxxxxxxxxxxxxxxxx> wrote:
>
> Thanks Samy I will give this a try.
>
> It would be helpful if there is some value that shows cache misses or
> so, so you have a more precise idea with how much you need to increase
> the cache. I have now added a couple of GB's see if it is being used and
> helps speed up things.
The perf dump for the MDS includes an "ino+", "ino", and "ino- " (same
for "dn") which tells you how many inodes have been added to the cache
("+"), in cache (""), and removed ("-"). You can tell if you're
getting a lot of cache misses if you're seeing a lot of growth in ino+
and ino-.
--
Patrick Donnelly, Ph.D.
He / Him / His
Senior Software Engineer
Red Hat Sunnyvale, CA
GPG: 19F28A586F808C2402351B93C3301A3E258DD79D
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