Containers on Ilya Rusalowski Hubhttps://rivik.dev/tags/containers/Recent content in Containers on Ilya Rusalowski HubHugoen-usThu, 19 Feb 2026 00:00:00 +0000Systemd Unreclaimable Kernel Memory Leakhttps://rivik.dev/systemd-unreclaimable-kernel-memory-leak/Thu, 19 Feb 2026 00:00:00 +0000https://rivik.dev/systemd-unreclaimable-kernel-memory-leak/How a frequently-restarting systemd unit with Type=exec leaked unreclaimable kernel slab memory (~60 MB/day) on Ubuntu hosts via a cgroup memory-accounting bug — and why only a full host reboot could free it.