What are the basic available commands in Hadoop sqoop ?
What is the port number for NameNode
What is inputformat in hadoop?
How to configure hadoop to reuse JVM for mappers?
What is the use of Combiner?
Name the various types of lists supported by bootstrap.
Input Split & Record Reader and what they do?
What is the difference between HDFS and NAS ?
What are the limitations of importing RDBMS tables into Hcatalog directly?
What are the benefits of block transfer?
On what basis name node distribute blocks across the data nodes?
what is SPF?
What is speculative execution in Hadoop?