Alerting with Alertmanager

Collecting metrics is great, but when things go south, or ideally BEFORE things go south, you want to get notified.

This is where Alertmanager by Prometheus comes into the picture.

The Alertmanager handles alerts sent by client applications such as the Prometheus server. It takes care of deduplicating, grouping, and routing them to the correct receiver integration such as email, PagerDuty, or OpsGenie. It also takes care of silencing and inhibition of alerts.

How Alertmanager works

Alertmanager handles alerts sent by the Prometheus server and then routes them to the   receiver integration such as email, PagerDuty, or OpsGenie. It also takes care of   deduplicating, grouping, silencing, and inhibition of alerts.

1. Core concepts implemented by Alertmanager

2. Why is Alerting necessary?

Automated alerts are essential to monitoring. They allow you to spot problems anywhere in your infrastructure so that you can rapidly identify their causes and minimize service degradation and disruption.

If metrics and other measurements facilitate observability, then alerts draw human attention to the particular systems that require observation, inspection, and intervention.

3. Alertmanager in DataVision

This is the Alertmanager dashboard. It shows all the alerts with any down nodes. Now you can monitor your cluster and the alerts all in one place.

In alerts, you can see the following metrics related to that alert:-

We’ve not only incorporated alertmanager in DataVision but have also provided a dashboard with it, which makes it easy to manage your cluster.

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