[ceph-users] Re: CephFS MDS sizing

2022-09-02 Thread Gregory Farnum
On Sun, Aug 28, 2022 at 12:19 PM Vladimir Brik wrote: > > Hello > > Is there a way to query or get an approximate value of an > MDS's cache hit ratio without using "dump loads" command > (which seems to be a relatively expensive operation) for > monitoring and such? Unfortunately, I'm not seeing o

[ceph-users] Re: CephFS MDS sizing

2022-09-12 Thread Patrick Donnelly
On Tue, Sep 6, 2022 at 11:29 AM Vladimir Brik wrote: > > > What problem are you actually > > trying to solve with that information? > I suspect that the mds_cache_memory_limit we set (~60GB) is > sub-optimal and I am wondering if we would be better off if, > say, we halved the cache limits and d