Re: [LSF/MM/BPF TOPIC] durability vs performance for flash devices (especially embedded!)

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On 6/9/21 11:30 AM, Matthew Wilcox wrote:
> maybe you should read the paper.
> 
> " Thiscomparison demonstrates that using F2FS, a flash-friendly file
> sys-tem, does not mitigate the wear-out problem, except inasmuch asit
> inadvertently rate limitsallI/O to the device"

It seems like my email was not clear enough? What I tried to make clear
is that I think that there is no way to solve the flash wear issue with
the traditional block interface. I think that F2FS in combination with
the zone interface is an effective solution.

What is also relevant in this context is that the "Flash drive lifespan
is a problem" paper was published in 2017. I think that the first
commercial SSDs with a zone interface became available at a later time
(summer of 2020?).

Bart.



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