Alert manager unavailable in prod-us-central-0

Resolved

This incident has been resolved.

Update

A fix has been implemented and we are monitoring the results.

Update

Starting at 18:30 UTC, we noticed alert manager unavailability limited to prod-us-central-0 which affects grafana-managed and datasource-managed alerting, causing disruption to updating alertmanager config and limited disruption to alert sending.

We have identified the cause and are in the process of remediation.