Re: [Iscsitarget-devel] iSCSi Perfs

[Pascal R. <pre...@is...>]

Yeah - this is a problem, but you also have the difference between ext3 
on one side and ntfs on the other.
So the extrapolation between MS and Linux is really difficult to do there.
But i will try to find a decent machine to re-run those.

Pascal.

>Hmmm, well those are some good tests, but unfortunately not very useful.  How
>do you extrapolate the difference in CPU?  Your Win boxen has a CPU that is
>at least 4x faster than the Linux boxes AND it has 4x the memory (not to
>mention the architecture diff from a P4 and PIII).  You just can't compare.
>If you could run the same tests on the diff hw but run all the OS on each,
>then that would be some good data.
>
>~kenny
>
>
>Unless someone else has some better ideas.
>
>* Pascal Renauld <pre...@is...> [2005-05-03 10:33:28 -0400]:
>
>  
>
>>Hi there,
>>
>>I have been doing some performance comparaisons between
>>the different iSCSI initiators (Linux, Open-iSCSi and Microsoft)
>>using the IET 0.4.7 and a commercial implementation on NetBSD.
>>All the tests were conducted using Iometer with 100% sequential
>>access and a serie of 5 runs (100% write, 80%write 20% read,
>>50% write 50% read, 20% write 80% read, 100% read) for
>>different transfer sizes (8KB to 128KB).
>>The results are attached in the included Excel file.
>>One of my question is why is the IET much slower in the 100% write
>>runs compared to the NetBSD implementation? Thoughts?
>>What do people think about the numbers? How can they be improved?
>>
>>Pascal.
>>
>>    
>>
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