Question and (pre)proposal: Can Fedora converge on a single swap-on-ZRAM implementation, and if so, which one? Fedora Workstation WG wants to move to swap-on-ZRAM by default in Fedora 33, and the working group needs to pick something soon. I think it should be zram-generator. It's the most lightweight, can be included by default distro wide. Without a configuration file, it doesn't run. Thus, each edition/spin, and even the install environment, can have their own configuration file, to setup it up however they want, or not set it up. I also suspect it's the only one that could be upstreamed to systemd proper, and just included like many other generators. Background story and references: Fedora IoT enables swap-on-ZRAM by default for a long time, and have no issues. Fedora Workstation WG has been evaluating it for some time, and wants to enable it by default in Fedora 33. Prior discussions [1] (Details will be in a future feature proposal.) Swap is a basic function, and swap-on-ZRAM is an optimization of a basic function. Basic things should be understandable by users, without having different configuration files, and systemd units to look for, depending on what edition/spin they use, or whether they're booting installation media, or an installed system. It's confusing. And they don't co-exist gracefully. There are three implementations in Fedora [2]. Installation media (DVD, netinstall, Live) use Anaconda's when the install media is booted; Live installations include it, but it's disabled. Fedora IoT has its own variant enabled by default, similar in design and function to Anaconda's, but differently named systemd unit, configuration file, and bash scripts used by the systemd unit. There's nothing wrong with these, but in my estimation they have no chance of being upstreamed to systemd proper. And there's zram-generator. It works much like any other of the basic generators for this sort of thing: the gpt-auto-generator, the fstab-generator, and the cryptsetup-generator. I'm not sure who would argue we need multiple implementations of these things, with separate configuration files, in the same distribution. [1] https://pagure.io/fedora-workstation/issue/98 https://pagure.io/fedora-workstation/issue/120 https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx/message/XUZLHJ5O32OX24LG44R7UZ2TMN6NY47N/ https://lists.fedoraproject.org/archives/list/iot@xxxxxxxxxxxxxxxxxxxxxxx/thread/OPCNQE547MED7CKFWCRYXS35ZOTJYKWU/ [2] zram-generator-0.1.2-1.fc32.x86_64 https://github.com/systemd/zram-generator https://src.fedoraproject.org/rpms/rust-zram-generator zram-0.4-1.fc31.noarch https://src.fedoraproject.org/rpms/zram Provides zram-swap.service anaconda-32.20-1.fc32.x86_64 https://github.com/rhinstaller/anaconda Provides zram.service -- Chris Murphy _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx
