Top N series by value prometheus
PromQL: top 10 pods by CPU usage rate
topk(10, sum by (pod) (rate(container_cpu_usage_seconds_total[5m])))
more prometheus
all 30 commands →
Disk usage alert rule
100 - (node_filesystem_avail_bytes{mountpoint="/"} / node_filesystem_size_bytes{mountpoint="/"} * 100) > 85
Reload Prometheus config
curl -X POST http://prometheus:9090/-/reload
List active alerts
curl -s http://prometheus:9090/api/v1/alerts | jq '.data.alerts[] | select(.state=="firing") | {name: .labels.alertname, severity: .labels.severity}'
List all metric names
curl -s http://prometheus:9090/api/v1/label/__name__/values | jq '.data | length, .[0:20]'
Series cardinality per job
count by (job) ({__name__=~".+"})