Hello Marc, On Tue, Feb 11, 2020 at 1:41 PM Marc Roos <M.Roos@f1-outsourcing.eu> 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