Capturing system metrics

In order to monitor and capture metrics related to servers, Metricbeat provides the system module. The system module provides the following metricsets to capture server metrics, as follows:

• core: This metricset provides usage statistics for each CPU core.
• cpu: This metricset provides CPU statistics.
• diskio: This metricset provides disk IO metrics collected from the operating system. One event is created for each disk mounted on the system.
• filesystem: This metricset provides filesystem statistics. For each file system, one event is created.
• process: This metricset provides process statistics. One event is created for each process.
• process_summary: This metricset collects high-level statistics about the running processes.
• fsstat: This metricset provides overall filesystem statistics.
• load: This metricset provides load statistics.
• memory: This metricset...