Mention what is the use of Context Object?
Where is the Mapper Output intermediate kay-value data stored ?
What is a checkpoint?
What's the best way to copy files between HDFS clusters?
What are the problems with Hadoop 1.0?
How many instances of tasktracker run on a hadoop cluster?
Does this lead to security issues?
How many instances of a jobtracker run on hadoop cluster?
What is hbase in hadoop?
How can we change the split size if our commodity hardware has less storage space?
What is the purpose of RawComparator interface?
What do you know about nlineoutputformat?
Does the hdfs client decide the input split or namenode?