Big Data Interview Questions
Questions Answers Views Company eMail

What is the relation between job and task in hadoop?

365

What do you know by storage and compute node?

395

What is the purpose of button groups?

375

Name the various types of lists supported by bootstrap.

391

How many instances of a jobtracker run on hadoop cluster?

375

How do you categorize a big data?

367

What is inputsplit in hadoop? Explain.

398

What platform and java version are required to run hadoop?

379

What is the functionality of jobtracker in hadoop?

426

What are the hadoop's three configuration files?

364

What is map/reduce job in hadoop?

346

What is the difference between input split and hdfs block?

67

Mention some important features of spm in cassandra?

77

What is the use of cassandra cql collection?

51

Mention some important components of cassandra data models?

45


Un-Answered Questions { Big Data }

How do you stop a running job gracefully?

353


What is the history of apache mahout? Once did it start?

37


what are the key components of hbase?

110


What is the default value of map and reduce max attempts?

643


What is the purpose of exploding in hive?

408






What is zeromq?

307


What do you mean by ss table?

51


What is the Use of Cassandra Database ?

53


what are the nodes in the Hadoop cluster?

654


What are the basic commands in Apache Sqoop and its uses?

5


What is the use of exists command?

170


What is hadoop, hbase, hive and cassandra? Specify similarities and differences among them.

86


How to write a Custom Key Class?

622


Explain MemStore?

124


Explain what is the role of the zookeeper?

267