> Il giorno 05 ott 2018, alle ore 00:42, Bart Van Assche
> ha scritto:
>
> On Thu, 2018-10-04 at 22:39 +0200, Paolo Valente wrote:
>> No, kernel build is, for evident reasons, one of the workloads I cared
>> most about. Actually, I tried to focus on all my main
>> kernel-development tasks, s
On 3 October 2018 at 19:34, Bryan Gurney wrote:
> On Wed, Oct 3, 2018 at 11:53 AM, Paolo Valente
> wrote:
>>
>>
>>> Il giorno 03 ott 2018, alle ore 10:28, Linus Walleij
>>> ha scritto:
>>>
>>> On Wed, Oct 3, 2018 at 9:42 AM Damien Le Moal wrote:
>>>
There is another class of outliers: ho
On Wed, Oct 03, 2018 at 03:25:54PM +0200, Jan Kara wrote:
> On Wed 03-10-18 08:53:37, Linus Walleij wrote:
> > On Wed, Oct 3, 2018 at 8:29 AM Paolo Valente
> > wrote:
> >
> > > So, I do understand your need for conservativeness, but, after so much
> > > evidence on single-queue devices, and so m
On Wed, 2018-10-03 at 17:55 +0200, Paolo Valente wrote:
> The problem, in particular, is that bfq is a complex beast, fighting
> against a jungle of I/O issues. You have to be really into bfq, even
> to just know all of its features!
This is a problem by itself. I don't know anyone who wants to h
On Wed, Oct 3, 2018 at 9:42 AM Damien Le Moal wrote:
> There is another class of outliers: host-managed SMR disks (SATA and SCSI,
> definitely single hw queue). For these, using mq-deadline is mandatory in many
> cases in order to guarantee sequential write command delivery to the device
> driver
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