Re: [MooseFS-Users] performance inquiry

[Ricardo J. B. <ric...@do...>]

El Martes 25/08/2015, Joseph Love escribió:
> Hi,
>
> I’ve been doing some tests to get an idea as to what sort of speeds I can
> maybe expect from moosefs, and ran into something unexpected.  From
> multiple clients, I can sustain 80-100MB/s per client (only tested up to 3
> clients) to my 3-node cluster (3 chunk servers).  From a single client
> (while everything else is idle) I get the same result.  It occurred to me
> that the write speed to a disk in each chunk server is roughly 100MB/s, and
> I was curious if this seems to be the likely culprit for performance
> limitations for a single stream from a single client.
>
> I’m about to try it again with SSDs, but I have a bit of time before that’s
> ready, and I figured I’d try to pose the question early.
>
> Thoughts?
>
> -Joe

How about network? If your clients are connected to 1 Gbps, 100 MB/s is nearly 
saturating the network.

Also, using Jumbo frames might give you a few extra MB/s.

Regards,
-- 
Ricardo J. Barberis
Senior SysAdmin / IT Architect
DonWeb
La Actitud Es Todo
www.DonWeb.com
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