Messages in this thread | | | Date | Thu, 8 Apr 2021 09:08:37 -0700 | From | Daniel Xu <> | Subject | Re: [RFC bpf-next 0/1] bpf: Add page cache iterator |
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Hi Christian, thanks for taking a look.
On Thu, Apr 08, 2021 at 09:51:17AM +0200, Christian Brauner wrote: > On Wed, Apr 07, 2021 at 02:46:10PM -0700, Daniel Xu wrote: > > There currently does not exist a way to answer the question: "What is in > > the page cache?". There are various heuristics and counters but nothing > > that can tell you anything like: > > > > * 3M from /home/dxu/foo.txt > > * 5K from ... > > * etc. > > > > The answer to the question is particularly useful in the stacked > > container world. Stacked containers implies multiple containers are run > > on the same physical host. Memory is precious resource on some (if not > > Just to clarify: what are "stacked containers"? Do you mean nested > containers, i.e. containers running within containers?
I mean multiple containers running side by side on the same host.
Thanks, Daniel
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