[ceph-users] Performance, and how much wiggle room there is with tunables

Rudi Ahlers rudiahlers at gmail.com
Sun Nov 12 23:28:39 PST 2017


Would you mind telling me what rados command set you use, and share the
output? I would like to compare it to our server as well.

On Fri, Nov 10, 2017 at 6:29 AM, Robert Stanford <rstanford8896 at gmail.com>
wrote:

>
>  In my cluster, rados bench shows about 1GB/s bandwidth.  I've done some
> tuning:
>
> [osd]
> osd op threads = 8
> osd disk threads = 4
> osd recovery max active = 7
>
>
> I was hoping to get much better bandwidth.  My network can handle it, and
> my disks are pretty fast as well.  Are there any major tunables I can play
> with to increase what will be reported by "rados bench"?  Am I pretty much
> stuck around the bandwidth it reported?
>
>  Thank you
>
> _______________________________________________
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> ceph-users at lists.ceph.com
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>
>


-- 
Kind Regards
Rudi Ahlers
Website: http://www.rudiahlers.co.za
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