What are the basic available commands in Hadoop sqoop ?
What is your favourite tool in the hadoop ecosystem?
How to write a Custom Key Class?
What do you mean by taskinstance?
what is SPF?
Define a datanode?
What is the problem with small files in Apache Hadoop?
What does the command mapred.job.tracker do?
What is the function of NodeManager?
What are the important differences between apache and hadoop?
How is security achieved in Apache Hadoop?
What is a block and block scanner in HDFS?
How indexing is done in HDFS?