Question: What is a Spark Executor and what role does it play in Spark applications?Answer: A Spark Executor is a process responsible for executing tasks on a worker node. Executors are launched at the beginning of a Spark application and run tasks until the application completes or encounters an error.Example:
|
Is it helpful?
Yes
No
Most helpful rated by users:
- What is the purpose of the Spark SQL module?
- Explain the difference between narrow and wide transformations in Spark.