Mackerel Support About monitoring and notification Mackerel's specs What environments are supported by Mackerel? For information about supported environments please refer to the “Supported Environments” section of the Mackerel Overview. Related articles How do the Mackerel and the mackerel-agent communicate? Calculating the number of hosts What is Mackerel's IP address and port number? Is it possible to control which port the mackerel-agent uses? An unexpected error message occurs with Windows event log monitoring.