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 accumulators and broadcast variables in spark?

328

List the various types of "Cluster Managers" in Spark.

345

What are the different types of partitioners in cassandra?

What is the difference between TextinputFormat and KeyValueTextInputFormat class?

508

What are different hdfs dfs shell commands to perform copy operation?

1060

Define ttl in hbase?

164

List out the other components of cassandra?

Can we do real-time processing using spark sql?

310

There seem to be certain management tools in Cassandra. What are they?

122

How does hdfs give great throughput?

Can we have multiple entries in the master files?

694

Is it possible to use Apache Spark for accessing and analyzing data stored in Cassandra databases?

302

How to create database statement in apache tajo?

What type of data we should put in distributed cache? When to put the data in dc? How much volume we should put in?

433

What is the disadvantage of spark sql?

368

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