[Bioclusters] anyone using jumbo frames with GigE ?

[Jeffrey B. Layton]

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
>>
>>
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>
>