hard20 pts · first answer countsobservabilitypushgatewayalerting

Pushgateway hiding a dead job

A batch job pushes metrics to a Pushgateway. The job stops running, but dashboards still show its last values for weeks. Why?

A.Prometheus caches every metric for 30 daysB.Pushgateway keeps pushed metrics until deletedC.The job's up metric is still 1D.Gauges never expire in any system

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Pushgateway hiding a dead job

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