A question about virtual memory.

[Liam Proven]

On Mon, 9 Nov 2020 at 23:58, Owen Thomas <owen.paul.thomas at gmail.com> wrote:
>
> Thanks Liam, Ralf, for the responses. Please excuse the length of time it took to write a follow-up; I went to bed shortly after posting my question, and have only now been able to respond.
>
> I guess an LRU or variant thereof is being used for memory management so that once virtual memory begins to be used, it never goes back to zero. Perhaps some operating system utility grabs memory for some purpose and never lets it go, or possibly an application is leaking memory that is eventually being exported to disk.
>
> Hmmm...

Oh, it probably will _eventually_. And you can tune it with the
"swappiness" parameter.


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