Before You Start

  1. We recommend that you use Docker CE/EE 17.03 or Docker Engine 1.13 with this product. Some data might be missing if you use previous versions of Docker.
  2. Container Monitoring is not supported on Docker for Windows or Docker for Mac.
  3. We recommend that you follow these guidelines, Instrument JVMs in a Dynamic Environment when monitoring container-based applications.
  4. The Machine Agent can monitor up to 120 running containers per host. The default maximum number of containers per host is 100. With the cgroup enabled flag set to true, the Machine Agent can monitor up to 600 containers per host. See Configure Docker Visibility.
  5. The Machine Agent collects metrics from containers with one or more running processes whose command line matches a configurable regex. By default, this regex matches all processes (*). To override this behavior, edit this regex in <machine_agent_home>/extensions/DockerMonitoring/conf/DockerMonitoring.yml : containerMonitoringConfig:containerProcessSelectorRegex: ".*"
  6. The maximum number of containers you can monitor in one Controller Tenant depends on the Controller Tenant size, the total number of App Agents, and the current load.
  7. Please review:
    1. Best Practices for setting up App Agents and Machine Agents.
    2. Docker Visibility issues in the latest Release Notes.