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During the monitoring of a Spark application, you observe that the Ganglia UI shows high CPU utilization across the cluster nodes. What could be the potential causes of this high CPU utilization, and how would you address it?
A
The application is performing complex computations; increase the number of nodes to distribute the load.
B
There is a memory leak in the application; monitor and optimize memory usage.
C
The application is experiencing data skew; analyze and repartition the data.
D
The cluster is under-provisioned; scale up the cluster resources.
