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

Big Data Interview Questions

Questions Answers Views Company eMail

How to open a connection in hbase?

153

What are the different compaction types in hbase?

171

What is compaction in hbase?

171

What is hotspotting in hbase?

177

What is ttl (time to live) in hbase?

186

What is the difference between hbase and hadoop/hdfs?

169

When should you use hbase?

181

What is wal and hlog in hbase?

307

What is a cell in hbase?

179

What are the different types of filaters used in hbase?

184

How to create hadoop archive?

419

When should be hadoop archive create?

429

What mode(s) can hadoop code be run in?

459

How often do you need to reformat the namenode?

511

What is the role of the namenode?

451

Un-Answered Questions { Big Data }

What is SequenceFileInputFormat in Hadoop MapReduce?

627

What are the Benefits Of Distributed Applications?

Define a worker node?

455

Explain about the different types of trformations on dstreams?

302

Explain the different logging levels in cassandra.

Name all HCatalog Features?

Define the term thrift

134

What are the particular functionalities of Ganglia in Ambari?

What are the components of apache ambari architecture?

What are partitions in cassandra?

What are the Advantages of using Cassandra ?

What is a Secondary Namenode? Is it a substitute to the Namenode?

1032

Why do we use Hadoop?

925

What is the role of “ambari-qa” user?

What is the no. Of threads created by impala?

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