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A Learning Portal from Recruitment India
A Learning Portal from Recruitment India
_________ is a pluggable Map/Reduce scheduler for Hadoop which provides a way to share large clusters.
Flow Scheduler
Data Scheduler
Capacity Scheduler
None of the mentioned
Answer with explanation
Answer: Option CExplanation
The Capacity Scheduler supports for multiple queues, where a job is submitted to a queue.
Workspace
Which of the following must be set true enable diskbalnecr in hdfs-site.xml
dfs.balancer.enabled
dfs.disk.balancer.disabled
dfs.disk.balancer.enabled
dfs.diskbalancer.enabled
Answer with explanation
Answer: Option CExplanation
dfs.disk.balancer.enabled
Workspace
Which of the following genres does Hadoop produce?
Relational Database Management System
Distributed file system
JAX-RS
Java Message Service
Answer with explanation
Answer: Option BExplanation
The Hadoop Distributed File System (HDFS) is designed to store very large data sets reliably, and to stream those data sets at high bandwidth to user.
Workspace
The compression offset map grows to ____ GB per terabyte compressed.
1-3
10-16
20-22
0-1
Answer with explanation
Answer: Option AExplanation
The more you compress data, the greater number of compressed blocks you have and the larger the compression offset table.
Workspace