Practice - Task Re-execution
Practice Questions
Test your understanding with targeted questions
What happens if a Map task fails during execution?
💡 Hint: Think about the role of the ApplicationMaster!
Why is intermediate data durability important?
💡 Hint: Consider what happens to data when tasks fail.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What happens to a Map task that fails during execution?
💡 Hint: Recall the role of the ApplicationMaster!
True or False: If a node fails, the other tasks on it are automatically killed.
💡 Hint: Think about how fault tolerance aids task recovery.
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Challenge Problems
Push your limits with advanced challenges
You are tasked with designing a distributed processing system. Explain how you would incorporate fault tolerance mechanisms similar to MapReduce.
💡 Hint: Consider how existing systems deal with failures.
Evaluate the trade-offs of implementing a robust fault tolerance system over a simpler, less reliable system for a big data project.
💡 Hint: Think about the long-term benefits versus initial implementation costs.
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Reference links
Supplementary resources to enhance your learning experience.