Re: btrfs system slow down with 100GB file

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On Thu, Mar 25, 2021 at 7:26 PM Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote:
>
> The defaults are crazy.
> https://lwn.net/Articles/572921/
>
> Does this really make a difference though outside the slow USB stick
> example? I don't know.  Seems like it won't for fsync heavy handedness
> because that'll take precedence.

There's more about this in that same 8 year old thread.
https://lore.kernel.org/linux-mm/20131111032211.GT6188@dastard/

I wonder what the state of the implied work is now, and whether the
applications should be making better use of fadvise to inform the
kernel of its intentions/expectations with respect to the files it's
writing.


-- 
Chris Murphy
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