What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
how can we change Replication Factor?
What is partioner in hadoop? Where does it run,mapper or reducer?
Can we do online transactions(oltp) using hadoop?
Which are the two types of 'writes' in HDFS?
What other technologies have you used in hadoop sta ck?
Does google use hadoop?
how is a file of the size 1 GB uncompressed
What does /var/hadoop/pids do?
Are Namenode and job tracker on the same host?
What is your favourite tool in the hadoop ecosystem?
Define a combiner?
What is a Combiner?