Explain the basic architecture of Hadoop?
How is hadoop different from other data processing tools?
What is a Combiner?
What is the meaning of speculative execution in Hadoop? Why is it important?
What is Apache Hadoop?
What is Your Cluster size ?
Rack awareness of Namenode?
Explain the difference between gen1 and gen2 hadoop with regards to the namenode?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
What is difference between secondary namenode, checkpoint namenode & backupnod secondary namenode, a poorly named component of hadoop?
What is the purpose of button groups?
What is the difference between HDFS and NAS ?
What is Hadoop?