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1. Stop all KPI Management workflows that will use the service model.
   
   
2. Kill Spark applications and associated drivers that will use the service model. For further information about the Spark UI, see 4.7.3 Killing a Spark Application.
   
   

3. Remove the checkpoint directory. The default path is MZ_HOME/spark-checkpoint-dir. 

   Info
   When the checkpoint directory is removed all data contained in it will be lost.

   
   

4. Submit the Spark application. For further information, see 4.7.2 Submitting a Spark Application.
   
   
5. Start the KPI Management workflows that will use the service model.
   
   

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