Chapter 11, Understanding and Extending Alertmanager

1. In the case of a network partition, each side of the partition will send notifications for the alerts they are aware of: in a clustering failure scenario, it's better to receive duplicate notifications for an issue than to not get any at all.
2. By setting continue to true on a route, it will make the matching process keep going through the routing tree until the next match, thereby allowing multiple receivers to be triggered.
3. The group_interval configuration defines how long to wait for additional alerts in a given alert group (defined by group_by) before sending an updated notification when a new alert is received; repeat_interval defines how long to wait until resending notifications for a given alert group when there are no changes.
4. The top-level route, also known as the catch-all or fallback route, will trigger a default...