RE: Reproducing allocator performance differences

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> -----Original Message-----
> From: Alexandre DERUMIER [mailto:aderumier@xxxxxxxxx]
> Sent: Friday, October 02, 2015 1:26 PM
> To: Dałek, Piotr
> Cc: Curley, Matthew; ceph-devel
> Subject: Re: Reproducing allocator performance differences
> 
> >>I use rados bench -t 128 for that :)
> 
> I'm not sure it's exactly the same
> 
> on my rados bench tests,
> I need to launch multiple "rados bench" process in parallel to scale at high
> speed.
> 
> (like fio -numjobs which create multiple fio process )

It's *quite* similar as long as you use recent rados tool (the one with https://github.com/ceph/ceph/pull/4690 integrated; also, --no-verify helps on read/seq benches). 

With best regards / Pozdrawiam
Piotr Dałek
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