Grafana dashboard: Cassandra Dashboard by ORAMAD
Description: https://github.com/Sarma1807/Prometheus-Grafana-Cassandra

This dashboard contains several different sections to highlight the metrics for specific categories.

There are few dedicated sections for Server OS metrics ( **OS Details/Storage/CPU/RAM Usage** )

All remaining sections are for Cassandra metrics ( **Cassandra Nodes Summary/Heap Usage/Cache/CQL/Commit Log Metrics/Clients/Hints/Request Timeouts/Latency Metrics/Size details at Keyspace Level and Table Level** )

Dashboard also provides several filters ( **cluster/data_center/hostname/keyspace/table** ) and makes it very easy to monitor several Apache Cassandra clusters in one place.

### Dashboard has been tested and working with Apache Cassandra 3.11.x / Apache Cassandra 4.x & DSE 6.8.x

## How Does It Work ?

Apache Cassandra's built in ` metrics-reporter ` module is used to extract and publish metrics to a text file on each Cassandra server. Easy to understand ` bash shell script ` converts this metrics file to Prometheus metrics format and they are exposed to Prometheus using ` node_exporter `. As you know JMX configuration is complicated, changes to **JMX configuration is NOT REQUIRED** for this dashboard.

Periodically ` Prometheus ` will get the metrics from node_exporter and store them in its own Time-series database.

` Grafana ` is used to read those metrics from Prometheus and display them on an easy to understand dashboard.

Step-by-step configuration and source code has been published at :
[https://github.com/Sarma1807/Prometheus-Grafana-Cassandra](https://github.com/Sarma1807/Prometheus-Grafana-Cassandra)


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