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

Big Data Interview Questions

Questions Answers Views Company eMail

Explain what is the row key?

146

Can the region server will be located on all datanodes?

316

What is the meaning of compaction in hbase?

156

Discuss how you can use filters in apache hbase

158

Explain jmx concerning hbse

168

What is a bloom filter?

156

Explain what is hbase?

146

hbase support syntax structure like sql. Yes or no?

190

What happens if you alter the block size of a column family on an already occupied database?

214

Define the term thrift

132

Explain what does hbase consists of?

153

Why to use hbase?

150

Explain what happens if you alter the block size of a column family on an already occupied database?

165

Explain totuple function?

551

Explain avrostorage function?

570

Un-Answered Questions { Big Data }

What are basic steps to be performed while working with big data?

516

Can you define yarn?

269

Why are the number of splits equal to the number of maps?

905

Explain the different types of repairs.

Define a metadata?

602

How can we import data from particular row or column? What is the destination types allowed in Sqoop import command?

Explain about ACID transactions in Hive?

681

Different ways of debugging a job in MapReduce?

1057

Explain the use of broadcast variables

291

What is gossip protocol in Cassandra?

How can apache spark be used alongside hadoop?

1791

How to process data using Transformation operation in Spark?

283

Define commit log?

Can you define parquet file?

261

What are the four basic parameters of a reducer?

610

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