#ResPublicae was down for about 5 minutes as a service was killed by an OOM. Mastodon services spontaneously shut down and had to be manually restarted.
No further action is deemed necessary as we already have more memory than usually necessary. Shifting to a smaller instance would probably increase the need for manual work like this.
Here are some charts about Linux resources, courtesy node-exporter, otel-collector, Prometheus and Grafana.