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PostgreSQL Database System Monitoring Dashboard with ElasticSearch and PostgreSQL data sources. You can monitor for your system about Disk Statements, CPU, Memory Statements, DB Connections, Buffers, Temp Files, DISK I/O , Network Traffic, and more. Metricbeat v7.x Grafana v6.x
Collector Configuration Details
metricbeat > modules.d > system.yml > metricsets : module: system, period : 10s cpu,load,memory,network,process,process_summary,socket_summary,diskio are enable and other modules are default. postgresql.yml > metricsets: - database - bgwriter - activity , period: 10s
NOTE: If your period is different than that values, you must set "interval value" in grafana graph edit section.