On Tue, 2020-01-07 at 11:20 -0700, Chris Murphy wrote: > On Tue, Jan 7, 2020 at 11:07 AM Martin Kolman <mkol...@redhat.com> wrote: > > On Mon, 2020-01-06 at 16:35 -0800, Brian C. Lane wrote: > > > On Sun, Jan 05, 2020 at 10:08:07AM -0700, Chris Murphy wrote: > > > > I've pretty much concluded Fedora is best off dropping the nested ext4 > > > > in favor of plain squashfs, and using zstd. It's not required to do > > > > both, but the benefit is additive and significant. The work in dracut > > > > and lorax to support plain squashfs, assembling it using overlayfs > > > > instead of device-mapper is already done, and tested. > > > > > > I agree with Chris here, I think we should make the switch to plain > > > squashfs unless someone can come up something dramatic that it will > > > break :) Tweaking the current settings would be fine if we didn't have a > > > better, simpler, solution. > > > > > > A side note about the xz bcj compression -- in some experiments I > > > noticed that enabling x86 and armthumb resulted in further reduction > > > (about 400k with the default block size). My guess was due to use of ARM > > > instructions in the firmware blobs. > > Also does squashfs support zstd compression ? > > Yes, that's what I was referring to in the first sentence quoted above. Oh right, now I see it. :D In any case, nice! :)
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