How to use Apache Zookeeper command line interface?
What are the port numbers of namenode, job tracker and task tracker?
What are the important differences between apache and hadoop?
What do you know about nlineoutputformat?
Can you give us some more details about ssh communication between masters and the slaves?
What is your favourite tool in the hadoop ecosystem?
How Mapper is instantiated in a running job?
In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
What is a speculative execution in Apache Hadoop MapReduce?
What is IdentityMapper?
What is the purpose of dfsadmin tool?
What is HDFS Federation?
what are the steps involved in commissioning adding