Hadoop interview questions part 51
Hadoop interview questions part 51
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Total Questions: 13
1. The ____________ is the ultimate authority that arbitrates resources among all the applications in the system.
Correct Answer is : ResourceManager
2. The __________ is responsible for allocating resources to the various running applications subject to familiar constraints of capacities, queues etc.
Correct Answer is : Scheduler
3. The CapacityScheduler supports _____________ queues to allow for more predictable sharing of cluster resources.
Correct Answer is : Hierarchical
4. Yarn commands are invoked by the ________ script.
Correct Answer is : bin
5. Point out the correct statement :
Correct Answer is : All of the mentioned
6. The queue definitions and properties such as ________, ACLs can be changed, at runtime.
Correct Answer is : capacity
7. The CapacityScheduler has a predefined queue called :
Correct Answer is : root
8. Point out the wrong statement :
Correct Answer is : None of the mentioned
9. The updated queue configuration should be a valid one i.e. queue-capacity at each level should be equal to :
Correct Answer is : 1
10. Users can bundle their Yarn code in a _________ file and execute it using jar command.
Correct Answer is : jar
11. Which of the following command is used to dump the log container ?
Correct Answer is : logs
12. __________ will clear the RMStateStore and is useful if past applications are no longer needed.
Correct Answer is : -format-state-store
13. Which of the following command runs ResourceManager admin client ?
Correct Answer is : rmadmin
