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Performing regular monitoring activities on a Cassandra cluster


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Verify that the Cassandra cluster is in good health by performing the recommended monitoring activities on a regular basis.

  • Monitor Pega alerts for the Decision Data Store (DDS) to discover the causes of performance issues and learn how to resolve them.

    For more information, see Pega alerts for Cassandra.
  • Review the monitoring information on the DDS service landing page. For information about accessing the DDS service landing page, see Monitoring decision management services.

    On the DDS service landing page, you can capture basic and comparative data. Apart from monitoring the cluster metrics, verify that all members of the cluster provide similar performance.
  • Run nodetool monitoring commands, for example, to access an overview of the cluster health, or to retrieve a list of active and pending tasks.

  • Analyze operating system metrics, such as IO bottlenecks or network buffer buildups, to detect problems with Cassandra nodes.

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