Re: CFQ idling kills I/O performance on ext4 with blkio cgroup controller

From: Srivatsa S. Bhat
Date: Wed May 22 2019 - 06:05:12 EST


On 5/22/19 2:12 AM, Paolo Valente wrote:
>
>> Il giorno 22 mag 2019, alle ore 11:02, Srivatsa S. Bhat <srivatsa@xxxxxxxxxxxxx> ha scritto:
>>
>>
>> Let's continue here on LKML itself.
>
> Just done :)
>
>> The only reason I created the
>> bugzilla entry is to attach the tarball of the traces, assuming
>> that it would allow me to upload a 20 MB file (since email attachment
>> didn't work). But bugzilla's file restriction is much smaller than
>> that, so it didn't work out either, and I resorted to using dropbox.
>> So we don't need the bugzilla entry anymore; I might as well close it
>> to avoid confusion.
>>
>
> No no, don't close it: it can reach people that don't use LKML. We
> just have to remember to report back at the end of this.

Ah, good point!

> BTW, I also
> think that the bug is incorrectly filed against 5.1, while all these
> tests and results concern 5.2-rcX.
>

Fixed now, thank you for pointing out!

Regards,
Srivatsa
VMware Photon OS