4.7.6 Change Procedures

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Last updated: Oct 23, 2023

This section describes Spark-related procedures that are required for configuration changes in KPI Management.

Updating the Spark Cluster- or Application Configuration

  • Stop the KPI Management workflows
  • Kill the Spark application
  • Stop the Spark cluster
  • Make whatever changes are needed
  • Start the Spark cluster
  • Submit the Spark application
  • Start the KPI Management workflows

Note!

When you have changed properties in the configuration related to the service model or Kafka, you also need to clear the check-point directory before starting the Spark cluster.

Updating the Kafka or Zookeeper Configuration

  • Stop KPI Management workflows
  • Kill the Spark application
  • Shutdown Spark, Kafka and Zookeeper
  • Clear all the runtime data.
  • Update the Kafka and/or Zookeeper configuration
  • Start Zookeeper, Kafka and Spark
  • Submit the Spark application
  • Start the KPI Management workflows