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What is stage and task in spark?

Question Posted / pawan gill


What is stage and task in spark?..

Answer / Yogendra Pal Singh

In Apache Spark, a "Stage" represents a collection of tasks that process the same dataset. A stage can be thought of as a unit of work that can run on one worker node at a time. On the other hand, a "Task" is the smallest unit of work that gets executed by workers in Spark. Each task performs some operation on a subset of data.

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