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Hadoop Interview Questions
Questions Answers Views Company eMail

What are the applications of Apache ZooKeeper?

5

Explain Zookeeper Leader election?

5

Explain the term HCatalog?

5

Why HCatalog?

5

How to create and manage a view in HCatalog?

5

Explain Alter Table Statement in HCatalog?

5

How can we drop a table in HCatalog?

5

Which command do we use to insert data in HCatalog?

5

Explain HCatalog Architecture in Brief?

5

HCatalog helps to Integrate Hadoop with everything. Explain?

5

Explain how HCatalog enables right tool for right Job?

5

Explain HCatLoader and HCatStorer APIs?

5

Explain Drop View Statement along with syntax?

5

State some command line options?

5

Explain HCatOutputFormat?

5


Un-Answered Questions { Hadoop }

Doesn’t google have its very own version of dfs?

433


What is inputformat in hadoop?

697


What language is apache spark?

274


What size is recommended for each node?

214


Define Partitions?

294


Describe DataStaxOpsCenter?

160


Explain about the execution pl of a pig script?
or
differentiate between the logical and physical plan of an apache pig script?

468


Establish the difference between a node, cluster & data centres in Cassandra.

137


Explain the Features of HBase?

206


How does one create RDDs in Spark?

259


How do I download adobe spark?

362


How job tracker schedules an assignment?

374


Why do we use spark?

311


Explain the general mapreduce algorithm

600


What are the different modes in which we can configure/install Hadoop?

497