On Wed, 5 Jun 2019 at 19:59, Steve Langasek <steve.langa...@ubuntu.com> wrote: > > Hi Dimitri, > > One point here: > > On Wed, Jun 05, 2019 at 01:15:48PM +0100, Dimitri John Ledkov wrote: > > - lz4 size weight over gzip is marginal (14%) but imho worth the > > improved boot time & initrd creation time > > A 14% increase in initramfs size is NOT marginal. Since there are (and will > always be) various scenarios which require a separate /boot partition, we > have over several cycles been contending with how to ensure a clean upgrade > as kernel+initramfs sizes increase over time and push up against the space > limits of the boot partitions that have historically been created. > > If you are making a change that increases the size of initramfses by 14% > across the board, you must also: > > - update the ubuntu-release-upgrader code to take this into account so > users don't run out of space in the middle of the upgrade > - possibly in a way that is smart enough to know if a user is already > configuring initramfs-tools to use a non-default compressor, to avoid > false-positives > - check that the minimum size requirements for /boot that are encoded in > the installers are still adequate, or if they need updating (and if they > need updating, update this back to 18.04) > - document this issue in the release notes
agree. -- Regards, Dimitri. -- ubuntu-devel mailing list ubuntu-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel