You don't have to wait for alerts to fire to create a silence.
A blog on monitoring, scale and operational Sanity
In this blogpost we try and clear up some confusion by outlining the key differences between commonly confused alerting configuration options:
Have you ever wondered what exactly that "Silence" button on each of your alerts in the Alertmanager actually does? Perhaps you have an idea but are unsure of their correct usage or value.
In this post I aim to clear up any confusion surrounding the silencing of alerts, so you can make the most of its functionality and understand when and why to use them.