Re: rbd + qemu osd performance

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> Le 26 mars 2014 à 00:30, Andrei Mikhailovsky <andrei@xxxxxxxxxx> a écrit :
> 
> The osd fragmentation level of zfs is at 8% at the moment, not sure if this should impact the performance by this much. I will defrag it over night and check tomorrow to see if it makes the difference.

Sorry if this is a little bit out of the scope of the thread, but I am very interested to know how you get this value (8% fragmentation) and how you can defragment a cow fs ?

Cheers,

Cedric 
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