container-memory-usage.json

{
  "name": "Kubernetes Container Memory Usage",
  "type": "query alert",
  "query": "avg(last_5m):max:kubernetes.memory.usage{*} by {kube_container_name,kube_cluster_name} / max:kubernetes.memory.limits{*} by {kube_container_name,kube_cluster_name} * 100 >= 80",
  "message": "{{#is_alert}}\nOver the last five minutes, the {{kube_container_name.name}} container on the {{kube_cluster_name.name}} cluster used {{value}}% of its memory.\n{{/is_alert}}\n{{#is_recovery}}\nMemory usage has returned to normal for the {{kube_container_name.name}} container on the {{kube_cluster_name.name}} cluster.\n{{/is_recovery}}",
  "tags": [],
  "options": {
    "notify_audit": false,
    "locked": true,
    "timeout_h": 0,
    "silenced": {},
    "include_tags": true,
    "thresholds": {
      "critical": 80,
      "critical_recovery": 50
    },
    "new_host_delay": 300,
    "require_full_window": false,
    "notify_no_data": false,
    "renotify_interval": 0,
    "evaluation_delay": null
  },
  "priority": null,
  "restricted_roles": null
}