Exam Associate-Developer-Apache-Spark-3.5 Topic 1 Question 76 Discussion

Actual exam question for Databricks's Associate-Developer-Apache-Spark-3.5 exam
Question #: 76
Topic #: 1
Which Spark configuration controls the number of tasks that can run in parallel on the executor?
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Suggested Answer: A Vote an answer

spark.executor.cores determines how many concurrent tasks an executor can run.
For example, if set to 4, each executor can run up to 4 tasks in parallel.
Other settings:
spark.task.maxFailures controls task retry logic.
spark.driver.cores is for the driver, not executors.
spark.executor.memory sets memory limits, not task concurrency.
Reference:Apache Spark Configuration

by Lyle at Jul 23, 2025, 05:39 AM

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