# /etc/sysctl.d/99-cloudron-tuning.conf — tsys-cloudron, applied 2026-09-02 [#685]
# Live-verified 2026-09-02 (vm.swappiness=10 confirmed at runtime).
# SoR copy for IaC; deploy = copy to /etc/sysctl.d/ + sysctl --system
# (ansible/ playbook target).
vm.swappiness=10

# 2026-09-03 [#755, founder-approved in chat]: inotify headroom — containerd
# died of inotify-instance exhaustion at the stock 128 (~160 cgroup-watched
# containers + storm memcg churn). Applied live (no daemon restarts needed);
# runtime verified 1024/1048576; error stream dry from 10:08 CT onward.
fs.inotify.max_user_instances=1024
fs.inotify.max_user_watches=1048576