[OpenIndiana-discuss] Question about System Monitor

[Bob Friesenhahn]

On Thu, 8 Jul 2021, russell wrote:

> System monitor is reporting Memory utilisation of 17.5GiB (27.5%) of 63.9GiB, 
> however it is reporting 115.7MiB (0.7%) of 15.9GiB of swap it being used.
> I have always thought that swapping occurred when there is insufficient 
> memory for an application so another application or pages of an application 
> could be swapped to disk to free RAM.
> Given that there at least 32GB of RAM free, surely it would not need to page.

Solaris likes to make reservations in advance to make sure that the 
promised allocation is available when it is used.

This is different than Linux, which happily promises the same 
resources to any application which asks for them with the hope that 
they won't be used.

Bob
-- 
Bob Friesenhahn
bfriesen at simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
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