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

Big Data Interview Questions

Questions Answers Views Company eMail

What is table in hbase?

204

Which method is used to access HFile directly without using HBase?

205

Which type of data HBase can store?

154

How to delete the table with the HBase shell?

143

What services run after running hbase job?

168

What is the use of truncate command?

188

Explain MemStore?

176

What is the best practice on deciding the number of column families for HBase table?

168

Which command do we use to run HBase Shell?

197

Define compaction in HBase?

168

Difference between hbase and rdbms?

176

What do you understand by compaction?

158

Does HBase support SQL like syntax?

153

What is the use of tools command?

198

Which command do we use to show the version?

160

Un-Answered Questions { Big Data }

What is the role of the offset.

514

When should you use sequencefileinputformat?

662

Explain key features of Spark

309

How does hdfs provides good throughput?

What are common uses of Apache Spark?

296

What is KeyValueTextInputFormat in Hadoop MapReduce?

804

What is the usage of "void close()" method?

what is a Task Tracker in Hadoop?

701

What does jps command do in Hadoop?

651

Give some important features of SPM?

Why is there a need for broadcast variables when working with Apache Spark?

308

Why Hive is not suitable for OLTP systems?

736

What are the main key structures of hbase?

167

How do I start a spark server?

298

What is worker node in Apache Spark cluster?

300

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