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Our Verdict

Best for

DevOps teams with existing Prometheus setup

Skip if

Non-Prometheus alert sources or simple alerting needs

What is alertmanager?

Alertmanager is a tool that handles alerts sent by Prometheus, a monitoring system and time series database. It takes care of deduplicating, grouping, and routing them to the correct receiver integration such as email, PagerDuty, or Slack. It also takes care of silencing and inhibition of alerts.

SpecificationsAI-estimated

deploymentSelf-hosted
open sourceโœ… Yes
github stars8,571
api availableโœ… Yes
support optionsCommunity Support
key integrationsPrometheus, Slack, PagerDuty, Email
primary languageGo

Key Features of alertmanager

Handle alerts sent by Prometheus with ease
Deduplicate, group, and route alerts to the correct receiver integration
Silence and inhibit alerts based on custom rules
Integrate with popular notification systems like email, PagerDuty, and Slack
Support for custom webhook notifications
Highly customizable and extensible through configuration files
Support for multiple alert receivers and notification channels
Highly available and scalable architecture

Use Cases for alertmanager

1

Monitoring and Alerting

Use Alertmanager to handle alerts sent by Prometheus and route them to the correct notification channels.

2

Incident Management

Use Alertmanager to silence and inhibit alerts based on custom rules and reduce noise during incidents.

3

DevOps Automation

Use Alertmanager to automate alert routing and notification for DevOps teams.

4

Custom Notification Systems

Use Alertmanager to integrate with custom notification systems and workflows.

Pros & Cons of alertmanager

Pros

  • Highly customizable and extensible
  • Support for multiple alert receivers and notification channels
  • Highly available and scalable architecture
  • Open source and free to use

Cons

  • Steep learning curve due to complex configuration files
  • Limited support for non-Prometheus alert sources
  • Limited support for advanced alert filtering and routing rules

Frequently Asked Questions

What is Alertmanager?

Alertmanager is a tool that handles alerts sent by Prometheus, a monitoring system and time series database.

How does Alertmanager work?

Alertmanager takes care of deduplicating, grouping, and routing alerts to the correct receiver integration such as email, PagerDuty, or Slack.

Is Alertmanager open source?

Yes, Alertmanager is open source and free to use.

Can I use Alertmanager with non-Prometheus alert sources?

Limited support is available for non-Prometheus alert sources.

Free

Detailed plans are not listed. Visit the official website for pricing information.

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Target AudienceDevOps Teams and System Administrators

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Tags

MonitoringAlertingDevOpsPrometheusOpen SourceNotification

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