[Bioclusters] anyone using jumbo frames with GigE ?

Joseph Landman bioclusters@bioinformatics.org
Sat, 08 Feb 2003 16:07:12 -0500


see http://pdsf.nersc.gov/talks/spxxl-2002/linux-nfs-performance.pdf 
 There are a few others out there, but I cannot find them now.

Jeffrey B. Layton wrote:

>
> We're running Jumbo frames to the client, but I don't have any
> performance numbers before and we can't switch it back
> right now (it's in production). Sorry.
>
> Jeff
>
>
> Joseph Landman wrote:
>
>> Google about for jumbo frames and NFS.  Reduces the interrupt load, 
>> so that heavy remote I/O doesn't satuate the CPU.  There was a 
>> performance paper running around, and it had some good data.
>>
>> Chris Dagdigian wrote:
>>
>>>
>>> Someone writing a feature request to add jumbo frame support to the 
>>> TCP/IP stack for Mac OS X is looking around for real world 'before 
>>> and after' performance data.
>>>
>>> People seem happy doing jumbo frames in switch-to-switch 
>>> configurations with homogenous network hardware but has anyone 
>>> enabled this out to client hosts in one of their clusters? I've only 
>>> done this as a way to get familiar with the management interfaces on 
>>> various bits of hardware and have never left the settings enabled 
>>> for any length of time or in a real production environment.
>>>
>>> Any stories or data to share?
>>>
>>> -Chris
>>>
>>>
>>> _______________________________________________
>>> Bioclusters maillist  -  Bioclusters@bioinformatics.org
>>> https://bioinformatics.org/mailman/listinfo/bioclusters
>>
>>
>>
>>
>
>
>
> _______________________________________________
> Bioclusters maillist  -  Bioclusters@bioinformatics.org
> https://bioinformatics.org/mailman/listinfo/bioclusters


-- 
Joseph Landman, Ph.D
Scalable Informatics LLC,
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