full ssd cluster, how many iops can we expect ?

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Hello,

I'm looking to build a full ssd cluster (I have mainly random io workload),

I would like to known how many iops can we expect, by osd ?

I have read on inktank doc, about 4000 iops by osd(that enough for me). Is is true ?

What is the bottleneck ? osd cpu limited ?

Also, can we have other limitations at global cluster side ? (like mon bottleneck? )


Regards,

Alexandre


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