Control: tags 990334 moreinfo Juri Grabowski wrote...
> overlayfs doesn't work with ZFS right now.
> I mean, that through zfs snapshot/rollback and clone features we can achieve
> better performance in spawning and destroying new schroots.
We briefly discussed this yesterday in another medium, so can you please
provide a bit more in-depth description of what you're doing and what is
going wrong?
FWIW, I have a chroot like
[deb99-amd64-sbuild]
type=directory
union-type=overlay
directory=/mnt/chroot/deb99-amd64-sbuild
groups=root,sbuild
root-groups=root,sbuild
profile=sbuild
where /mnt/chroot/deb99-amd64-sbuild is on a ZFS, and everything works fine.
And in case anyone asks "why?": ZFS snapshotting is nice, but overlay
using a tmpfs as the upper layer is no doubt the fastest way to get
things done - but only as long as the build does write less data than
there's RAM on the host.
Christoph
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