Package apache is Metricbeat module for the Apache HTTPD server.

Package haproxy is a Metricbeat module that contains MetricSets.

Package mongodb is a Metricbeat module that contains MetricSets.

Package mysql is Metricbeat module for MySQL server.

Helper functions for testing used in the nginx metricsets */.

Package postgresql is Metricbeat module for PostgreSQL server.

Package redis contains shared Redis functionality for the metric sets */.

Package system is a Metricbeat module that contains MetricSets that collect system level information like CPU and memory stats.

Package zookeeper is a Metricbeat module for ZooKeeper servers.