In message <bad32602-c6a9-4a82-b0cb-148d313b9...@freebsd.org>, David
> On 19 Aug 2017, at 17:54, Cy Schubert <cy.schub...@komquats.com> wrote:
> >> 3. should total swap be 1x 2x or some other multiple of RAM these days?
> > Depends. If you're running some kind of database server or OLTP
> > application. Some vendors recommend no swap whatsoever while others
> > recommend some. What does your application vendor recommend?
> The main advantage of swap these days (on machines with that sort of amount o
> f RAM) is to allow you to keep some file-backed memory objects in memory in p
> reference to leaked (or very cold) heap memory.
Memory overcommitment and the working set of each address space determines
how much and what is paged out.
Cy Schubert <cy.schub...@cschubert.com>
FreeBSD UNIX: <c...@freebsd.org> Web: http://www.FreeBSD.org
The need of the many outweighs the greed of the few.
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