On Fri, Sep 6, 2019 at 6:57 AM Roman Gushchin <guro@xxxxxx> wrote: > The patchset has been tested on a number of different workloads in our > production. In all cases, it saved hefty amounts of memory: > 1) web frontend, 650-700 Mb, ~42% of slab memory > 2) database cache, 750-800 Mb, ~35% of slab memory > 3) dns server, 700 Mb, ~36% of slab memory Do these workloads cycle through a lot of different memcgs? For workloads that don't, wouldn't this approach potentially use more memory? For example, a workload where everything is in one or two memcgs, and those memcgs last forever. -- Suleiman
