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| author |  sommerfeld <sommerfeld@sommerfeld.dev> | 2026-04-21 01:24:55 +0100 |
|---|---|---|
| committer | sommerfeld <sommerfeld@sommerfeld.dev> | 2026-04-21 01:24:55 +0100 |
| commit | 964269520a9c438f63a8f314e308b3fea5f0772c (patch) | |
| tree | 35559ee94ab2eaffa19bfc304e22903fffb27c2e | |
| parent | 1a19bec22a45a4ca92e1ef4637b8e55286df0585 (diff) | |
| download | dotfiles-964269520a9c438f63a8f314e308b3fea5f0772c.tar.gz dotfiles-964269520a9c438f63a8f314e308b3fea5f0772c.tar.bz2 dotfiles-964269520a9c438f63a8f314e308b3fea5f0772c.zip | |
system: add zram swap via zram-generator
Cap at 8 GiB, zstd compression. Tune VM for RAM-backed swap:
high swappiness, no read-ahead clustering.
| -rw-r--r-- | etc/sysctl.d/99-zram.conf | 4 | ||||
| -rw-r--r-- | etc/systemd/zram-generator.conf | 4 | ||||
| -rw-r--r-- | meta/base.txt | 1 |
3 files changed, 9 insertions, 0 deletions
diff --git a/etc/sysctl.d/99-zram.conf b/etc/sysctl.d/99-zram.conf new file mode 100644 index 0000000..daa302c --- /dev/null +++ b/etc/sysctl.d/99-zram.conf @@ -0,0 +1,4 @@ +vm.swappiness = 180 +vm.watermark_boost_factor = 0 +vm.watermark_scale_factor = 125 +vm.page-cluster = 0 diff --git a/etc/systemd/zram-generator.conf b/etc/systemd/zram-generator.conf new file mode 100644 index 0000000..c6e112e --- /dev/null +++ b/etc/systemd/zram-generator.conf @@ -0,0 +1,4 @@ +[zram0] +zram-size = min(ram / 2, 8192) +compression-algorithm = zstd +swap-priority = 100 diff --git a/meta/base.txt b/meta/base.txt index 4b81ee2..6444244 100644 --- a/meta/base.txt +++ b/meta/base.txt @@ -61,3 +61,4 @@ zsh-autosuggestions zsh-completions zsh-history-substring-search zsh-syntax-highlighting +zram-generator |