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This page describes what to do in case of an Icinga alert. For more information you could search the govuk-puppet repo for the source of the alert
Nginx requests too low
- An Icinga check that alerts when the number of Nginx requests drops below a critical threshold.
- We have seen misconfigured firewall configs on our vSE.
- It could be a genuine low number of requests or it may be indicative of a bigger problem as described above. The threshold is configurable in hieradata so we can tweak for environments where we expect to see lower traffic levels.
- On Staging and Integration, this alert may appear while production data is being copied to the environment. This is because production traffic replay is paused during the copying job.