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

Hadoop Interview Questions

Questions Answers Views Company eMail

What is python stress test in cassandra?

What are partitions in cassandra?

Why is jconsole used?

102

what do you mean by compaction?

What is key-value store db?

What are the different types of primary key?

What is a primary key? And what are it’s different types?

Differentiate between the various types of primary keys in cassandra.

What are the different types of partitioners in cassandra?

What is a row in cassandra? And what are the different elements of it?

What are the different elements of jconsole?

What are partitions and tokens in cassandra?

Differentiate between static and dynamic cql tables.

What is key-value store db? Explain with an example.

101

What do you mean by replication factor?

Un-Answered Questions { Hadoop }

Does spark use tez?

312

What is the difference between like and rlike operators in hive?

798

Is spark streaming real time?

295

Tunable consistency is supported by Cassandra. Explain.

What is having clause in apache tajo?

In what ways sparksession different from sparkcontext?

360

What is bucketing ?

736

What are the storage supported by tajo?

Mention the salient features of apache tajo ?

Why is rdd immutable?

329

Whether the output of mapper or output of partitioner written on local disk?

720

Does spark require hdfs?

300

How can we launch a tajo cluster?

Differentiate between GROUP and COGROUP operators?

675

What do you understand by Thrift?

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