How do you stop a running job gracefully?
What is the history of apache mahout? Once did it start?
what are the key components of hbase?
What is the default value of map and reduce max attempts?
What is the purpose of exploding in hive?
What is zeromq?
What do you mean by ss table?
What is the Use of Cassandra Database ?
what are the nodes in the Hadoop cluster?
What are the basic commands in Apache Sqoop and its uses?
What is the use of exists command?
What is hadoop, hbase, hive and cassandra? Specify similarities and differences among them.
How to write a Custom Key Class?
Explain MemStore?
Explain what is the role of the zookeeper?