On Wed, 25 Nov 2020 at 08:18, Giles Orr wrote:
> A few days after upgrading the last of my machines from Fedora 32 to
> 33, I noticed my main machine has acquired a new disk:
>
> NAME SIZE FSTYPE LABELMOUNTPOINT
> zram04G [SWAP]
>
> I
TIL: https://fedoraproject.org/wiki/Changes/SwapOnZRAM ( last edit oct 2020
)
When I first read this I thought: if you are swapping it's _becasue_ you
ran out of ram, so why "swap" to ram?
TL:DR; it compresses the data.
also: NOT preallocated.
David
On Wed, Nov 25, 2020 at 8:18 AM Giles Orr
I have a lot of experience running Linux on IBM mainframes, and using RAM
as swap is a good thing, we do that all the time on our mainframes. And
even if it sounds strange, it decreases latency by A LOT. We call it VDISK
(virtual disk). Usually we use a VDISK only as an indicator that the guest
