Re: cephfs kernel client io performance decreases extremely

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Quoting renjianxinlover (renjianxinlover@xxxxxxx):
> hi,Stefan
>       could you please provide further guidence?

https://docs.ceph.com/docs/master/cephfs/troubleshooting/#slow-requests-mds

Do a "dump ops in flight" to see what's going on on the MDS.

https://docs.ceph.com/docs/master/cephfs/troubleshooting/#kernel-mount-debugging

^^ Check out what the kernel is doing

What kernel version are you using? Newer is better ... 

Does the MDS report slow requests and / or slow medata requests?


Gr. Stefan

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