On Mon, 2026-05-11 at 12:53 +0200, Benny Lyne Amorsen wrote: > Patrick Dupre via users <[email protected]> writes: > > > swapon > > NAME TYPE SIZE USED PRIO > > /dev/zram0 partition 8G 8G 100 > > /dev/sda2 partition 16G 10.1G -1 > > > > Combining zram and disk-based swap is generally not a good idea. What > will happen is that zram will fill up with old unused pages which are > never accessed (and therefore never swapped in), and then the > actually > used pages will be placed on disk. You are now in a situation with > 8GB > less memory than you had before, and your swap device is a slow disk > instead of fast compressed memory. > > zswap on the other hand discovers that certain pages have not been in > use for a long time, and so it migrates them to disk without > decompressing them. It will also notice that some memory pages are > incompressible, and it will send those straight to disk. > > The result is that with zswap, the recently used pages are in fast > compressed memory, and stuff which has not been used for hours is > on disk. As it should be. > > https://chrisdown.name/2026/03/24/zswap-vs-zram-when-to-use-what.html >
Fascinating article. I suggest people read the section on Fedora before deciding to change. poc -- _______________________________________________ users mailing list -- [email protected] To unsubscribe send an email to [email protected] 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/[email protected] Do not reply to spam, report it: https://forge.fedoraproject.org/infra/tickets/issues/new
