Is hadoop open source?
What is Disk Balancer in Apache Hadoop?
What are the different methods to run Spark over Apache Hadoop?
Explain what happens in textinformat ?
Define a namenode?
What is high availability in hadoop?
Does the hdfs client decide the input split or namenode?
On what basis name node distribute blocks across the data nodes?
What is the jobtracker?
What do the master class and the output class do?
Is hadoop required for data science?
Mention what is the number of default partitioner in Hadoop?
What is the relation between job and task in hadoop?