Re: System becomes unusable when copying a large file via USB into HDD

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 I doubt this is going to be fixed upstream.    This feature was put
into the kernel sometime prior to 2004, and the first version was set
even higher than 20%.   And this becomes less of an issue if you have
enough ram that you can give up the 20% of ram.

On Wed, Apr 1, 2020 at 3:56 AM Sreyan Chakravarty <sreyan32@xxxxxxxxx> wrote:
>
> I have some good news.
>
> The workaround :
>
> vm.dirty_background_bytes = 3000000
> vm.dirty_bytes = 5000000
>
> worked wonders for me.
>
> I can now copy and watch YouTube at the same time.
>
> Thank you and hoped this is fixed in upstream soon.
>
> On Wed, Apr 1, 2020 at 1:30 PM Ed Greshko <ed.greshko@xxxxxxxxxxx> wrote:
>>
>> On 2020-04-01 15:49, Sreyan Chakravarty wrote:
>> > No, you are missing the point. The kernel needs to be on HDD, or rather the cache used by the kernel needs to be on the HDD.
>>
>> I don't think it is I missing the point.  I already informed you of my system's configuration.  So, I found
>> it odd you'd be asking me for the additional test.  Thus, my query to you.
>>
>> >
>> > Anyways, can you tell me if Fedora 31 uses the BFQ scheduler by default now ?
>> >
>> > Because thats what I am reading here: https://www.phoronix.com/scan.php?page=news_item&px=Fedora-Switching-To-BFQ
>>
>> Well, https://bugzilla.redhat.com/show_bug.cgi?id=1738828
>>
>> Would appear to verify that.
>>
>>
>> --
>> The key to getting good answers is to ask good questions.
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>
>
>
> --
> Regards,
> Sreyan Chakravarty
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