Re: [coLinux-users] Re: performance

[sophana <sop...@ya...>]

I forgot to thank you all for your great job, and understand that 
profiling such a problem is not easy.
I would be glad to help, but unfortunately I actually don't have enough 
time to spend on the project.

Keep on the good work!

gboutwel wrote:

>>Is there a plan of getting rid of that network performance
>>    
>>
>problem?
>
>
>
>Obviously the answer is yes.  If the problem is in/with coLinux
>we hope to find it and fix it.  If it's in WinPCAP, TAP-Win32,
>PCAP (under linux), or TAP (under linux) then we probably won't
>be able to do much about it.
>
>
>
>  
>
>>Maybe it is because of winpcap?
>>    
>>
>
>
>
>The tests that we have done, show TAP being faster than WinPCAP.
> So there is some problem with WinPCAP, if you can switch to
>using TAP you MIGHT see performance improve.
>
>
>
>  
>
>>I would like to use windows machines to compute for our cluster,
>>    
>>
>that
>
>  
>
>>does lot of network activity fetching data to be processed
>>    
>>
>from nfs.
>
>  
>
>>(later AFS I hope) network performance is definitly a big problem...
>>    
>>
>
>
>
>Currently the problem is that resources are limited and we have
>other things that seem to be a higher priority.  Add to that
>we don't have an lot of networking gurus (programmers don't automatically
>= network gurus), and we need help from users getting the info
>we need to determine where bottlenecks are.
>
>
>
>We have found and remoed some bottle necks already.  If you are
>using the 0.6.1 release of coLinux you should see an significant
>improvement by moving to the recent coLinux snapshots, or moving
>to the next release of coLinux when it goes out.
>
>
>
>HTH,
>
>
>
>George
>
>
>
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