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SubjectRe: [PATCH RFC 00/14] The new slab memory controller
On Fri, Sep 6, 2019 at 6:57 AM Roman Gushchin <guro@fb.com> 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

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