On Thu, May 27, 2021 at 9:21 AM Andres Rojas Guerrero <a.rojas@xxxxxxx> wrote: > > > > El 26/5/21 a las 16:51, Dan van der Ster escribió: > > I see you have two active MDSs. Is your cluster more stable if you use > > only one single active MDS? > > Good question!! I read form Ceph Doc: > > "You should configure multiple active MDS daemons when your metadata > performance is bottlenecked on the single MDS that runs by default." > > "Workloads that typically benefit from a larger number of active MDS > daemons are those with many clients, perhaps working on many separate > directories." > > I have more or less 25 concurrent clients, but working in the same > directory, Is that number a lot of clients? > > And I assumed that two are always better than one. 25 isn't many clients, but if they are operating in the same directory it will create a lot of contention between the two MDSs, which might explain some of the issues you observe. I recommend that you reduce back to 1 active mds and observe the system stability and performance. -- dan _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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