Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Hadoop Interview Questions

Questions Answers Views Company eMail

What are the most memory-intensive operations?

What are the main features of impala?

Where can I get sample data to try?

Where can I find impala documentation?

What features from relational databases or hive are not available in impala?

Is hive an impala requirement?

When does impala hold on to or return memory?

What is zookeper?

Mention some instances where zookeeper is using?

How can we create znodes?

How can we create children / sub-znode?

How can we remove a znode?

Explain the zookeeper workflow?

What are the basics of zookeeper api?

What is mandatory while creating a table in cassandra?

Un-Answered Questions { Hadoop }

What is the relationship between Job and Task in Hadoop?

662

What is spark master?

344

Explain apache spark streaming? How is the processing of streaming data achieved in apache spark?

306

If you run a select * query in hive, why does it not run mapreduce?

745

Explain the functionalities of the nagios in ambari?

What is spark sqlcontext?

302

Is kafka a message queue?

568

Explain the uses of Map Reduce in Pig?

551

Define replication strategy?

How can one set space quota in Hadoop (HDFS) directory?

How to set property in apache tajo?

How do I change hive execution engine to spark?

301

What are the types of ambari repositories are available?

Name the two types of shared variable available in Apache Spark?

303

Can you tell us more about ssh?

717

For More Un-Answered { Hadoop } Questions Click Here