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Diffstat (limited to 'nixos/doc/manual/release-notes/rl-1903.xml')
| -rw-r--r-- | nixos/doc/manual/release-notes/rl-1903.xml | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/nixos/doc/manual/release-notes/rl-1903.xml b/nixos/doc/manual/release-notes/rl-1903.xml index 89d9f48aedd3..da3b75cf6144 100644 --- a/nixos/doc/manual/release-notes/rl-1903.xml +++ b/nixos/doc/manual/release-notes/rl-1903.xml @@ -408,6 +408,21 @@ from nixpkgs due to the lack of maintainers. </para> </listitem> + <listitem> + <para> + It is possible now to uze ZRAM devices as general purpose ephemeral block devices, + not only as swap. Using more than 1 device as ZRAM swap is no longer recommended, + but is still possible by setting <literal>zramSwap.swapDevices</literal> explicitly. + </para> + <para> + Default algorithm for ZRAM swap was changed to <literal>zstd</literal>. + </para> + <para> + Changes to ZRAM algorithm are applied during <literal>nixos-rebuild switch</literal>, + so make sure you have enough swap space on disk to survive ZRAM device rebuild. Alternatively, + use <literal>nixos-rebuild boot; reboot</literal>. + </para> + </listitem> </itemizedlist> </section> </section> |