perfSONAR User Q&A and Other Discussion

[Alex Moura <>]

If you also manage to configure the CPU affinity for each test - using a 
multiple core system - it may perform well.

- Alex
 
On 30/07/2014, at 14:54, Trey Dockendorf 
<>
 wrote:

> Does this new feature of using separate NICs for owamp and bw tests mean 
> that it would be acceptable to run those services on the same host as long 
> as a separate interface is used for each?  I recall there being a 
> recommendation to keep bw and owamp tests separate (not on same host) so 
> currently we have a dedicated host for each.  Would this 3.4 feature allow 
> both sets of tests to reliably run on a single host with a dual port NIC?
> 
> Thanks,
> - Trey
> 
> =============================
> 
> Trey Dockendorf 
> Systems Analyst I 
> Texas A&M University 
> Academy for Advanced Telecommunications and Learning Technologies 
> Phone: (979)458-2396 
> Email: 
> 
>  
> Jabber: 
> 
> 
> ----- Original Message -----
>> From: "Daniel Doyle" 
>> <>
>> To: "Zhi-Wei Lu" 
>> <>
>> Cc: 
>> ,
>>  "Pulak Chowdhury" 
>> <>
>> Sent: Wednesday, July 30, 2014 8:33:41 AM
>> Subject: Re: [perfsonar-user] tips for One way latency and bw test on 
>> separate NICs on perfSonar 3.4rc2
>> 
>> Zhi-Wei,
>> 
>> This is configurable in the same place as you configure all the rest
>> of the test parameters, underneath "Toolkit Administration" on the
>> left in the section "Configure Tests".
>> 
>> There is now a new field called "Interface" under the Test Parameters
>> section of a test that defaults to "Default" which was the old
>> behavior. You can change this to instruct the test to use a specific
>> interface instead. All previously configured tests should have
>> "Default" set as their Interface option when upgrading.
>> 
>> Hope that helps.
>> 
>> -Dan
>> 
>> On Jul 30, 2014, at 1:47 AM, Zhi-Wei Lu 
>> <>
>>  wrote:
>> 
>>> Hi all,
>>> 
>>> I have successfully installed perfSonar 3.4rc2 recently and I heard
>>> that it is now possible to configure owamp and bw tests on two
>>> separate NICs, I would love to learn how I can configure perfSonar
>>> to accomplish two NIC set up.
>>> 
>>> Thank you very much for your help.
>>> 
>>> --
>>> Zhi-Wei Lu
>>> IET-CR-Network Operations Center
>>> University of California, Davis
>>> (530) 752-0155
>> 
>> Dan Doyle
>> GlobalNOC Software Developer
>> 1-812-856-3892
>> 
>> 
>> 
>> 
>>