On 28 December 2017 at 00:39, Duncan <1i5t5.dun...@cox.net> wrote:
>
> AFAIK, ionice only works for some IO schedulers, not all. It does work
> with the default CFQ scheduler, but I don't /believe/ it works with
> deadline, certainly not with noop, and I'd /guess/ it doesn't work with
> block-mult
On 12/28/2017 12:15 PM, Nikolay Borisov wrote:
>
> On 23.12.2017 13:19, James Courtier-Dutton wrote:
>>
>> During a btrfs balance, the process hogs all CPU.
>> Or, to be exact, any other program that wishes to use the SSD during a
>> btrfs balance is blocked for long periods. Long periods being mo
Am Thu, 28 Dec 2017 00:39:37 + schrieb Duncan:
>> I can I get btrfs balance to work in the background, without adversely
>> affecting other applications?
>
> I'd actually suggest a different strategy.
>
> What I did here way back when I was still on reiserfs on spinning rust,
> where it made
On 23.12.2017 13:19, James Courtier-Dutton wrote:
> Hi,
>
> During a btrfs balance, the process hogs all CPU.
> Or, to be exact, any other program that wishes to use the SSD during a
> btrfs balance is blocked for long periods. Long periods being more
> than 5 seconds.
> Is there any way to mult
James Courtier-Dutton posted on Wed, 27 Dec 2017 21:39:30 + as
excerpted:
> Thank you for your suggestion.
Please put your reply in standard list quote/reply-in-context order. It
makes further replies, /in/ /context/, far easier. I've moved the rest
of your reply to do that, but I shouldn
James Courtier-Dutton wrote:
Hi,
Thank you for your suggestion.
It does not help at all.
btrfs balance's behaviour seems to be unchanged by ionice.
It still takes 100% while working and starves all other processes of
disk access.
I can I get btrfs balance to work in the background, without adve
Hi,
Thank you for your suggestion.
It does not help at all.
btrfs balance's behaviour seems to be unchanged by ionice.
It still takes 100% while working and starves all other processes of
disk access.
I can I get btrfs balance to work in the background, without adversely
affecting other applicati
On 12/23/2017 12:19 PM, James Courtier-Dutton wrote:
> Hi,
>
> During a btrfs balance, the process hogs all CPU.
> Or, to be exact, any other program that wishes to use the SSD during a
> btrfs balance is blocked for long periods. Long periods being more
> than 5 seconds.
> Is there any way to mu
Hi,
During a btrfs balance, the process hogs all CPU.
Or, to be exact, any other program that wishes to use the SSD during a
btrfs balance is blocked for long periods. Long periods being more
than 5 seconds.
Is there any way to multiplex SSD access while btrfs balance is
operating, so that other a