Q. When a block is warm, some of its replicas are stored in DISK and the remaining replicas are stored in _________

View solution

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

View solution

Q. ___________ is used for writing blocks with single replica in memory.

View solution

Q. _________ is a data migration tool added for archiving data.

View solution

Q. Which of the following is used to list out the storage policies?

View solution

Q. Which of the following statement can be used to get the storage policy of a file or a directory?

View solution

Q. Which of the following method is used to get user-specified job name?

View solution

Q. __________ get events indicating completion (success/failure) of component tasks.

View solution

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

View solution

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

View solution

Q. The Job makes a copy of the _____________ so that any necessary internal modifications do not reflect on the incoming parameter.

View solution

Q. ________ is the architectural center of Hadoop that allows multiple data processing engines.

View solution

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

View solution

Q. The __________ is a framework-specific entity that negotiates resources from the ResourceManager.

View solution

Q. Apache Hadoop YARN stands for _________

View solution

Q. MapReduce has undergone a complete overhaul in hadoop is _________

View solution

Q. The ____________ is the ultimate authority that arbitrates resources among all the applications in the system.

View solution

Q. The __________ is responsible for allocating resources to the various running applications subject to familiar constraints of capacities, queues etc.

View solution

Q. The CapacityScheduler supports _____________ queues to allow for more predictable sharing of cluster resources.

View solution

Q. Yarn commands are invoked by the ________ script.

View solution