What is Disk Balancer in Apache Hadoop?
Explain what happens in textinformat ?
How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
What is the purpose of RawComparator interface?
What are the two main components of ResourceManager?
How does an hadoop application look like or their basic components?
What is zookeeper in hadoop?
How to change from su to cloudera?
Why the name ‘hadoop’?
What is HDFS - Hadoop Distributed File System?
What is the default block size in hdfs?
What is structured data?
What is Hadoop?