how to share the metastore within multiple users?
Why password is needed in ssh localhost?
Can NameNode and DataNode be a commodity hardware?
Why we cannot do aggregation (addition) in a mapper? Why we require reducer for that?
What are sink processors?
Why do we use Hadoop?
Explain how can we change the split size if our commodity hardware has less storage space?
What is the difference between Hadoop and Traditional RDBMS?
What do you mean by taskinstance?
Is fs.mapr.working.dir a single directory?
Explain the hadoop-core configuration?
What is the difference between Apache Hadoop and RDBMS?
What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?