Re: Slow performance during recovery operations

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Mark Nelson wrote:

> We ran tests a while back looking at different IO elevators but they are quite old now:
> 
> http://ceph.com/community/ceph-bobtail-performance-io-scheduler-comparison/

It doesn't seem so interesting to switch from deadline to cfq with HDD.
But in this case, I can't use some parameters to set the IO priority of scrubbing.

Thanks for the link Mark.

-- 
François Lafont
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