Reload Prometheus config prometheus

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__=~".+"}) Silence an alert amtool silence add alertname=HighMemory --duration=2h --comment='Investigating' Check TSDB status curl -s http://prometheus:9090/api/v1/status/tsdb | jq '{head_chunks: .data.headStats.numChunks, series: .data.headStats.numSeries}'