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What is Slot in Hadoop v1? Why was it removed from Hadoop v2?

Answer Posted / Kal Singh Tomar

Slot in Hadoop v1 refers to a scheduling unit, which represents a resource partition within the TaskTracker for executing Map and Reduce tasks. In Hadoop v2, Slots were replaced by containers managed by the YARN ResourceManager, as it offers greater scalability and flexibility in terms of resource allocation and task scheduling.

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