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 prerequisite for Apache Hive installation?

719

By Default, how many partitions are created in RDD in Apache Spark?

301

What is apache spark core?

304

Does spark use java?

323

What is spark repartition?

313

How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?

769

Explain what is heartbeat in hdfs?

What is spark database?

336

Why do we use spark?

329

What is the difference between rdd and dataframe in spark?

351

What is hinted handoff?

What is the purpose of context object?

430

How to start kafka server?

580

how you can improve the throughput of a remote consumer?

606

What are the config properties of presto?

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