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 5.13.1. Ambari Agent process.

This host-level alert is triggered if the Ambari Agent process cannot be confirmed to be up and listening on the network for the configured critical threshold, given in seconds. It uses the Nagios check_tcp plugin.

 5.13.1.1. Potential causes

  • The Ambari Agent process is down on the host.

  • The Ambari Agent process is up and running but heartbeating to the Ambari Server.

  • The Ambari Agent process is up and running but is unreachable through the network from the Nagios Server.

  • The Ambari Agent cannot connect to the Ambari Server through the network.

 5.13.1.2. Possible remedies

  • Check for any errors in the logs (/var/log/ambari-agent/ambari-agent.log) and restart the Ambari Agent process.

  • Use ping to check the network connection between the Ambari Agent host and the Ambari Servers.

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