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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does task re-execution mean in MapReduce?
💡 Hint: Think about what happens when tasks fail.
Question 2
Easy
Why is intermediate data durability important?
💡 Hint: Consider the impact of task failures on data.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What happens if a Map task fails?
- It continues on another worker.
- It is completely discarded.
- It is re-executed on another healthy node.
💡 Hint: Think about the resilience of the system.
Question 2
True or False: Intermediate data is lost if the NodeManager fails.
- True
- False
💡 Hint: Consider the data storage protocols.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a MapReduce fault tolerance strategy that includes redundancy plans for both task re-execution and data storage.
💡 Hint: Think about how you would ensure continuous operation in case of an isolated failure.
Question 2
Analyze the impact of a NodeManager failure on a long-running MapReduce job and propose solutions to mitigate risks involved.
💡 Hint: How would the loss of a single point of failure affect job throughput?
Challenge and get performance evaluation