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What do you mean by Speculative execution in Apache Spark?

Question Posted / kshitija verma


What do you mean by Speculative execution in Apache Spark?..

Answer / Neelam

Speculative Execution in Apache Spark is a method used to improve the performance of tasks. When a task fails, Spark automatically executes the same task again on another worker node to ensure that the work gets done. This approach helps in reducing task completion time and improves overall system throughput.

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