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You are monitoring a Spark application and notice that the Spark UI shows a high number of slow tasks in a specific stage. What could be the potential causes of these slow tasks, and how would you address them?
You are monitoring a Spark application and notice that the Spark UI shows a high number of slow tasks in a specific stage. What could be the potential causes of these slow tasks, and how would you address them?
Simulated
A
The application is experiencing data skew; analyze and repartition the data.
55.9%
B
The application is running out of memory; increase the memory allocation for executors.
19.8%
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