Practice Jobtracker/resourcemanager Fault Tolerance (1.5.4) - Cloud Applications: MapReduce, Spark, and Apache Kafka
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JobTracker/ResourceManager Fault Tolerance

Practice - JobTracker/ResourceManager Fault Tolerance

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Question 1

What kind of clusters particularly benefit from speculative execution?
* Type: mcq
* Options: Homogeneous clusters, Single-node clusters, Heterogeneous clusters, Clusters with very few tasks
* Correct Answer: Heterogeneous clusters
* Explanation: Speculative execution is especially beneficial in heterogeneous clusters where performance disparities between nodes are more common, leading to "stragglers."
* Hint: Think about where tasks might naturally run at different speeds.

Homogeneous clusters
Single-node clusters
Heterogeneous clusters
Clusters with very few tasks * **Correct Answer**: Heterogeneous clusters * **Explanation**: Speculative execution is especially beneficial in heterogeneous clusters where performance disparities between nodes are more common
leading to "stragglers." * **Hint**: Think about where tasks might naturally run at different speeds.

💡 Hint: Think about where tasks might naturally run at different speeds.

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