Hadoop · all questions

Advanced MapReduce Concepts
practice.

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113

Questions

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Q101

Which of the following is the only way of running mappers?

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Q102

. . . . . . . . method adds the deprecated key to the global deprecation map.

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Q103

reduceProgress() gets the progress of the job's reduce-tasks, as a float between . . . . . . . .

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Q104

Which of the following is only for storage with limited compute?

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Q105

The CapacityScheduler has a predefined queue called . . . . . . . .

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Q106

YARN's dynamic allocation of cluster resources improves utilization over more static . . . . . . . . rules used in early versions of Hadoop.

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Q107

Point out the wrong statement.

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Q108

. . . . . . . . will clear the RMStateStore and is useful if past applications are no longer needed.

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Q109

. . . . . . . . is used for storing one of the replicas in SSD.

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Q110

Point out the correct statement.

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Q111

Yarn commands are invoked by the . . . . . . . . script.

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Q112

The . . . . . . . . provides a proxy between the web applications exported by an application and an end user.

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Q113

. . . . . . . . gets the diagnostic messages for a given task attempt.

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