Re: Path forward for Virtualized Swap?

[Rik van Riel]

On Tue, 2026-09-22 at 05:43 -1000, Chris Li wrote:
> On Tue, Sep 22, 2026 at 5:20 AM Gregory Price <gourry@xxxxxxxxxx>
> wrote:
> > 
> > On Tue, Sep 22, 2026 at 03:32:44AM -1000, Chris Li wrote:
> > > > Right now it has 64GB of memory.
> > > 
> > > That is exactly my point. You are running 1/8 = 12.5% system ram.
> > > 
> > 
> > Chris you are missing the point
> > 
> > Zswap:           8812236 kB
> > Zswapped:       24927876 kB
> 
> I am well aware of the point. The 7%-10% data I provided is before
> compression. After compression, the real saving is about 1.5% - 2%.
> 
Here I'm at 28% without any issues, with room for
more.

> You are not listening. The boundary was set due to feedback from the
> application SLO. Those are real deployments not imaginary usage.
> Please respect the user.
> 
Different users need different things.

The kernel needs to be able to accommodate all of them.

The kernel default should accommodate the people who
are least capable of configuring their systems.

Hyperscalers can set their own defaults across their
fleets. They know how to adjust settings.

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