Re: Performance improvement suggestion

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> 
> Fast write enabled would mean that the primary OSD sends #size copies to the
> entire active set (including itself) in parallel and sends an ACK to the
> client as soon as min_size ACKs have been received from the peers (including
> itself). In this way, one can tolerate (size-min_size) slow(er) OSDs (slow
> for whatever reason) without suffering performance penalties immediately
> (only after too many requests started piling up, which will show as a slow
> requests warning).
> 

What happens if there occurs an error on the slowest osd after the min_size ACK has already been send to the client? 


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