On Mon, Nov 28, 2016 at 05:08:18PM -0500, Tejun Heo wrote: > Hello, Shaohua. > > On Wed, Nov 23, 2016 at 05:06:30PM -0800, Shaohua Li wrote: > > > Shouldn't this be a per-cgroup setting along with latency target? > > > These two are the parameters which define how the cgroup should be > > > treated time-wise. > > > > It should be easy to make it per-cgroup. Just not sure if it should be > > per-cgroup. The logic is if the disk is faster, wait time should be shorter > > to > > not harm performance. So it sounds like a per-disk characteristic. > > Yes, this is something dependent on the device, but also on the > workload. For both this parameter and the latency target, it seems > that they should be specified along with the actual device limits so > that they follow the same convention and can be specified per cgroup * > block device. What do you think?
That's ok, I'm totally fine to make it per cgroup and per disk. Thanks, Shaohua -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
