[Beowulf] NFS over RDMA performance confusion

[Vincent Diepeveen]

On Sep 13, 2012, at 3:02 PM, Ellis H. Wilson III wrote:

> On 09/13/2012 08:52 AM, Vincent Diepeveen wrote:
>> the actual data goes through RDMA here and maybe through TCP using
>> mysql.
>
> I'm almost certain this isn't going through mysql, or this is an
> incredibly strange version of IOzone.  This is just "mimicking"  
> database
> accesses by doing smallish record direct I/O.
>
> Am I correct in my thinking here?

from email some time ago posted on this list:

" Oracle and
Nexenta are both sending me ZFS based boxes to test and I hope to  
compare
the performance and stability of these with the Netapp (formally lsi
engenio) E540"

He got one or more machines from Oracle and the dude is benchmarking  
MySQL...




>
> Best,
>
> ellis
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