Comments (2)
@X-dark
up is kind of a special time series. it is automatically generated by prometheus for targets that it is configured to scrape. when your node disappears, the containers comprising your service are re-discovered and the target is reconfigured with fewer instances. Because of this, the up time series for that target will no longer exist.
All other time series relating to that node should still exist in older time-ranges, e.g. if you query:
machine_cpu_cores
and set the time range to a time when the node existed, do metrics appear for your deleted node?
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Closing out due to staleness.
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