This issue tracks the release note for the following Fedora Change:
https://fedoraproject.org/wiki/Changes/SwapOnZRAM
If you own this change, please add additional information here that we should communicate to Fedora users. Specifically, please consider:
Your notes to us do not need to be formally written. We will edit them and add details as needed. This is a way for you to ensure that we know what is critical about your change.
If you want to write this release note, then:
Once you're done with the above, make sure to either commit the relnote to an appropriate section of the Release Notes book, or, if you're not familiar with Git, AsciiDoc, or whatever else, just add it to this issue as a comment and let pbokoc[1] know that you're done with this one and you'd like the note included. Be sure to do this at least one day before the final release (October 29 according to the current schedule). Also make sure to do this even for relnotes that haven't been checked by the change owner.
[0] You can do that by asking the change owner listed on the wiki page; alternatively you can infer it by checking the tracker bug (linked in Wiki) in Bugzilla and looking at its status; see bug comments for details. Ask someone on the mailing list or on IRC if you're not sure. [1] In #fedora-docs on FreeNode (UTC+1 timezone, online mostly during the day on weekdays), or pbokoc @redhat.com if you can't get a hold of me on IRC.
A swap partition is not created by default at installation time. Instead, a zram device is created, and swap enabled on it during start-up. zram is a RAM drive that uses compression. See man zram-generator for a brief overview of its function.
man zram-generator
The swap-on-zram feature can be disabled with sudo touch /etc/systemd/zram-generator.conf and reenabled by removing this file, and customized by editing it. See man zram-generator.conf for configuration information, including a description of the default configuration plus ASCII art.
sudo touch /etc/systemd/zram-generator.conf
man zram-generator.conf
The installer's Custom and Advanced-Custom interfaces continue to support the manual creation of disk-based swap.
The change proposal contains detailed information on the rationale for the feature: https://fedoraproject.org/wiki/Changes/SwapOnZRAM
Fixed in #596
Metadata Update from @pbokoc: - Issue status updated to: Closed (was: Open)
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