Grafana dashboard: Memory Overview (Designed for PMM)
Description: The dashboard that displays metrics related to memory usage on Linux systems.

Designed for https://www.percona.com/software/database-tools/percona-monitoring-and-management 

The dashboard leverages information collected by node_exporter. The graphs take advantage of  /proc filesystem files, specifically:

meminfo: Provides information about distribution and utilization of memory. This varies by architecture and compile options. 

vmstat: Provides information about block IO and CPU activity in addition to memory.

 

The information is split into five sections:  Total Memory, VMM (Virtual Memory Manager) Statistics, 
Memory Statistics, 
Number and Dynamic of Pages, 
Pages per Zone

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