Thanks a lot for such a clear explanation. On Tuesday, April 21, 2020 at 5:00:13 PM UTC+5:30, Julius Volz wrote: > > As long as the alert stays active on the Prometheus side, Prometheus will > send it repeatedly with an ongoingly updated "endsAt" timestamp every time > Prometheus evaluates and sends the alert to Alertmanager. The endsAt > timestamp will be chosen to be a couple of minutes into the future in such > a way that it stays current until after the next expected resend by > Prometheus, so that Alertmanager doesn't expire it in the meantime. > > So you should set it far enough into the future from when you are sending > the alert such that your next re-send will happen before "endsAt". But also > not too far into the future, if you want Alertmanager to automatically time > out and remove alerts that aren't being sent anymore after a while. > > On Tue, Apr 21, 2020 at 12:08 PM Yagyansh S. Kumar <yagyans...@gmail.com > <javascript:>> wrote: > >> I am sorry I forgot to mention that I am using v1 Alertmanager API to >> capture this data. /api/v1/alerts >> >> On Tuesday, April 21, 2020 at 3:38:00 PM UTC+5:30, Yagyansh S. Kumar >> wrote: >>> >>> Hi. What and how are the timestamps gathered for startsAt and endsAt? Is >>> there any documentation for this? >>> >>> From what I have observed startsAt seems to be giving the correct time >>> of when the alert entered the "firing" state. But endsAt time seem to be >>> ambiguous to me, because one of my Filesystem Alert started firing on 13th >>> April 2:30pm, now it is still active and I can see endsAt time at 21st >>> April, 3:26pm. Is this based on my repeat_interval? >>> Can someone explain what time is taken for endsAt? >>> >>> Thanks! >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Prometheus Users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to promethe...@googlegroups.com <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/prometheus-users/907b9ba3-4f19-4335-9f5b-62cfc4aab355%40googlegroups.com >> >> <https://groups.google.com/d/msgid/prometheus-users/907b9ba3-4f19-4335-9f5b-62cfc4aab355%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >
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