On Tue, Apr 23, 2019 at 10:12 AM Shakeel Butt <shakeelb@xxxxxxxxxx> wrote: > > On Tue, Apr 23, 2019 at 9:50 AM Yang Shi <shy828301@xxxxxxxxx> wrote: > > > > Hi Shakeel, > > > > This sounds interesting. Actually, we have something similar designed > > in-house (called "cold" page reclaim). But, we mainly targeted to cold > > page cache rather than anonymous page for the time being, and it does > > in cgroup scope. We are extending it to anonymous page now. > > > > Look forward to discussing with you. > > > > Hi Yang, > > Thanks for the info. Is this per-cgroup "cold page reclaim" is > triggered by the job themselves? Are the jobs trying to avoid memcg No, it is triggered by admin or cluster management. > limit reclaim by proactively reclaiming their own memory? Yes, kind of. And, it also helps to avoid global direct reclaim. > > Shakeel