Prometheus target scraping slow warning
Prometheus is scraping exporters slowly since it exceeded the requested interval time. Your Prometheus server is under-provisioned.
>>>
{quantile="0.9"} / on (interval, instance, job)
{quantile="0.5"} > 1.05
The query divides the 90th‑percentile scrape interval (prometheus_target_interval_length_seconds{quantile="0.9"}) by the 50th‑percentile interval (quantile="0.5") for each target (matched on interval, instance, and job). If the 90th‑percentile is more than 5 % larger than the median (i.e., the ratio > 1.05), the alert fires, indicating that scrapes are slower than the configured interval and the Prometheus server is likely under‑provisioned.
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