Re: Project to standardize on IOPS per CPU core

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The 09/20/2022 17:47, Vincent Fu wrote:
> On 9/20/22 14:08, Stephen Bates wrote:
> > Hi fio'ers
> > 
> > I have been working with a few others on NVMe performance in a range
> > of different environments. At the same time I have been tracking some
> > of the reports on IOPS per core for NVMe+io_uring [1][2]. I was hoping
> > to create a standrd and repeatable test for this using a mix of
> > packer, Ansible and AWS machines.
> > 
> > The idea would be a scriptable flow to obtain a working
> > fio+libiouring+kernel on some AWS EC2 instance(s) and then automate
> > some tests to obtain IOPS per CPU core.
> > 
> > To help me get started on this does anyone have any pointers on how
> > best to configure the system to maximize this metric? Also any fio
> > scripts for this that people can point me too would be excellent.
> > 
> > If there is interest I would happily work this into a patch for fio
> > (perhaps in some sort of CI way).
> > 
> > Cheers
> > 
> > Stephen Bates, PhD.
> > 
> > [1]: https://www.phoronix.com/news/7.4M-IOPS-Linux-Per-Core
> > [2]: https://twitter.com/axboe/status/1452689372395053062?lang=en
> 
> Stephen, t/one-core-peak.sh was added last year by Erwan Velu and might be
> useful to you:
> 
> https://github.com/axboe/fio/blob/master/t/one-core-peak.sh
> 
> Vincent

Vincent

Oh thanks! This is great. I will take a look at this and go from there.

-- 

Cheers

Stephen Bates, PhD.



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