On Tue, Apr 23, 2019 at 9:08 AM Rik van Riel <riel@xxxxxxxxxxx> wrote: > > On Tue, 2019-04-23 at 08:30 -0700, Shakeel Butt wrote: > > > Topic: Proactive Memory Reclaim > > > > Motivation/Problem: Memory overcommit is most commonly used technique > > to reduce the cost of memory by large infrastructure owners. However > > memory overcommit can adversely impact the performance of latency > > sensitive applications by triggering direct memory reclaim. Direct > > reclaim is unpredictable and disastrous for latency sensitive > > applications. > > This sounds similar to a project Johannes has > been working on, except he is not tracking which > memory is idle at all, but only the pressure on > each cgroup, through the PSI interface: > > https://facebookmicrosites.github.io/psi/docs/overview > > Discussing the pros and cons, and experiences with > both approaches seems like a useful topic. I'll add > it to the agenda. This topic sounds interesting and in line with some experiments being done on Android. Looking forward to this discussion. CC'ing Android folks that might be interested as well. > -- > All Rights Reversed.
