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. -- All Rights Reversed.
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