Re: [PATCH v7] block: Improve IOPS by removing the fairness code

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On Thu, May 30, 2024 at 02:02:20PM -0700, Bart Van Assche wrote:
> Thank you for having run this test. I propose that users who want better
> fairness than what my patch supports use an appropriate mechanism for
> improving fairness (e.g. blk-iocost or blk-iolat). This leaves the choice
> between maximum performance and maximum fairness to the user. Does this
> sound good to you?

I really don't know, I generally test with low latency devices and
disable those blk services because their overhead is too high. I'm
probably not the target demographic for those mechanisms. :)

I just wanted to push the edge cases to see where things diverge.
Perhaps Jens can weigh in on the impact and suggested remedies?




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