[GitHub] [airflow] ashb commented on issue #18630: Missing dagrun.duration.success/failed. metric in statsd exporter for airflow deployed on Kubernetes cluster

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ashb commented on issue #18630:
URL: https://github.com/apache/airflow/issues/18630#issuecomment-931222970


   > Interesting discussion here https://www.toolbox.com/tech/programming/question/ensure-udp-packet-finished-sending-072214/
   
   That is talking about full reliable delivery which is more than we need here.
   
   My understanding was that even if it's stuck in a buffer somewhere and the process exits right after it would still send, but I'm not 100% sure of that. But given it _sometimes_ shows up you are likely right about the cause Jarek.
   
   Though actually: those metrics are emitted from within `dagrun.update_state()` -- and I had a quick look and couldn't see it being called from with TaskInstance, or LocalTaskJob, so it might be coming form the scheduler? In which case the process exit is unlikely to be the cause


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