### What we want: Sentryのメトリクス収集用のPrometheusは現在、Sakura Cloud上に構築されているが、このボリュームの使用量が問題なさそうであれば、EKS上の既存Prometheusに統一したい ### How we do it: <!-- If it's clear, remove the next line. --> It's unclear. We need discussion. ### Anything else: <!-- Links? References? Anything that will give us more context about the issue that you are encountering! -->