Re: About the Ceph erasure pool with ISA plugin on Intel xeon CPU

[Loic Dachary <loic@dachary.org>]

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Hi,

Could you please publish the benchmark results somewhere ? I should be able to figure out why you don't see a difference.

Cheers

On 06/08/2015 13:25, Derek Su wrote:
> Dear Mr. Dachary and all,
> 
> Recently, I found your blog show the performance tests of erasure
> pools (http://dachary.org/?p=3042 , http://dachary.org/?p=3665).
> The results indicates the write throughput can be enhanced
> significantly using Intel xeon CPU.
> 
> I tried to create an erasure pool with isa plugin, reed_sol_van
> technique, and k/m=4/2 on the Intel(R) Xeon(R) CPU E3-1245 v3 @
> 3.40GHz machines.
> 
> However, the results of the rados benchmark showed that there was no
> any difference between the jerasure and isa plugins. It seems very
> strange.
> 
> Do I need to do other configurations in addition to only setting the
> erasure profile?
> In addition, how can I know the erasure pool is accelerated by ISA
> plugin exactly? Is there any command I can use?
> 
> Thanks, :)
> 
> Derek Su.
> 

-- 
Loïc Dachary, Artisan Logiciel Libre


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