Re: Persistent L2ARC (was: "failed to reclaim memory" with much free physmem)

From: Garrett Wollman <wollman_at_bimajority.org>
Date: Fri, 12 Sep 2025 20:48:54 UTC 
<<On Fri, 12 Sep 2025 21:01:21 +0100, Graham Perrin <grahamperrin@gmail.com> said:

> I never worked with a machine learning dataset, but when I did have 
> L2ARC: it was always persistent.

Historically it could not be; L2ARC persistence was only implemented
in OpenZFS, which we didn't have until our most recent upgrade.  It
looks like that feature is enabled by default now, which I was not
previously aware of.

-GAWollman