Marathon

Marathon 1.5.3 release, container deployment and management framework

Software

Marathon is a production-proven Apache Mesos framework for container orchestration. DC/OS is the easiest way to start using Marathon. Issues are tracked in JIRA. It provides a REST API for starting, stopping, and scaling applications. It is written in Scala and can run in highly-available mode by running multiple copies. The state of running tasks gets stored in the Mesos state abstraction.

It is a meta-framework: you can start other Mesos frameworks such as Chronos or Storm with it to ensure they survive machine failures. It can launch anything that can be launched in a standard shell. In fact, you can even start other Marathon instances via Marathon.

Features

  • HA — run any number of Marathon schedulers, but only one gets elected as leader; if you access a non-leader, your request gets proxied to the current leader
  • Constraints – e.g., only one instance of an application per rack, node, etc.
  • Service Discovery & Load Balancing via HAProxy or the events API (see below).
  • Health Checks: check your application’s health via HTTP or TCP checks.
  • Event Subscription lets you supply an HTTP endpoint to receive notifications, for example to integrate with an external load balancer.
  • Marathon UI
  • JSON/REST API for easy integration and scriptability
  • Basic Auth and SSL
  • Metrics: query them at /metrics in JSON format or push them to graphite/statsd/datadog.

Marathon 1.5.3 is a bug-fix version that includes:

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