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Thank you, this is not a bug. Prometheus will re-send resolved alerts with a past end date to alertmanager. I suspect that your multiple resolved alerts issue is unrelated with this. |
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What did you do?
Hi, I received multiple resolved alerts for one alert recently from alertmanager,so I collected the alerts data from prometehus.
I set rules like this:
then I write a simple http-server to receive alert from prometheus and log them into file:
What did you expect to see?
endsAt
of alert send by prometehus should be different every evaluation time.endAt
should be the time in the futureWhat did you see instead? Under which circumstances?
endsAt
sometime the same as last and behind the current timethe metric:
Environment
System information:
Linux 4.9.0-8-amd64 x86_64
Prometheus version:
prometheus, version 2.20.1
Prometheus config
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