[Gluster-users] performance due to network?

[Pranith Kumar Karampuri]

Erik,
What version of glusterfs are you using?

Pranith
On 06/13/2014 02:09 AM, Aronesty, Erik wrote:
>
> I suspect I'm having performance issues because of network speeds.
>
> /Supposedly/ I have 10gbit connections on all my NAS devices, however, 
> it seems to me that the fastest I can write is 1Gbit.   When I'm 
> copying very large files, etc, I see 'D' as the cp waits to I/O, but 
> when I go the gluster servers, I don't see glusterfsd waiting (D) to 
> write to the bricks themselves.  I have 4 nodes, each with  10Gbit 
> connection, each has 2 Areca RAID controllers with 12 disk raid5, and 
> the 2 controllers stripped into 1 large volume.   Pretty sure there's 
> plenty of i/o left on the bricks themselves.
>
> Is it possible that "one big file" isn't the right test... should I 
> try 20 big files, and see how saturated my network can get?
>
> Erik Aronesty
> Senior Bioinformatics Architect
>
> *EA | Quintiles
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>
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>
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