Messages in this thread | | | Subject | Re: [PATCHSET for-5.10/block] iocost: improve debt forgiveness logic | From | Jens Axboe <> | Date | Fri, 25 Sep 2020 08:35:30 -0600 |
| |
On 9/17/20 6:44 PM, Tejun Heo wrote: > Hello, > > Debt reduction logic was recently added by dda1315f1853 ("blk-iocost: halve > debts if device stays idle"). While it was effective at avoiding > pathological cases where some iocgs were kept delayed while the device was > most idle, it wasn't very effective at addressing more complex conditions > and could leave low priority cgroups unnecessarily harshly throttled under > moderate load.
Applied, thanks.
-- Jens Axboe
| |