Thanks,
I’ll try adjusting mds_cache_memory_limit. I did get some messages about MDS
being slow trimming the cache, which implies that it was over its cache size.
I never had any problems with the kernel mount, fortunately. I am running
17.2.5 (Quincy)
My metadata pool size if about 15GB wit
>
> We have a ceph cluster (Proxmox based) with is HDD-based. We’ve had
> some performance and “slow MDS” issues while doing VM/CT backups from
> the Proxmox cluster, especially when rebalancing is going on at the same
> time.
I also had to increase the mds cache quite a lot to get rid of 'slow'
