I am running filebeat as a deamonset in k8s also running beat-exporter as a side car container. one weird thing i am observing is after pod get's deleted [ pod deleted almost 1 week ago ] still i am getting the metrics into prometheus. The events of kubernetes will be purged every 6 hr's but still not understanding where to look why am getting metrics for deleted pod's. As this is causing me false alerts at Grafana.
You will probably need to reach out to the group that supports the beat-exporter that you are using. I'm not sure if many people on these forums will be able to provide assistance on things not directly related to the Elastic Stack products.
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