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?

153

Can the region server will be located on all datanodes?

324

What is the meaning of compaction in hbase?

169

Discuss how you can use filters in apache hbase

166

Explain jmx concerning hbse

181

What is a bloom filter?

170

Explain what is hbase?

158

hbase support syntax structure like sql. Yes or no?

204

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

220

Define the term thrift

138

Explain what does hbase consists of?

167

Why to use hbase?

165

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

174

Explain totuple function?

631

Explain avrostorage function?

668

Un-Answered Questions { Big Data }

What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?

934

What are the key elements in ZooKeeper Architecture?

What is amazon spark?

286

What are Paired RDD?

331

What is a RecordReader in Hadoop MapReduce?

726

Name some internal daemons used in spark?

379

Can you join multiple fields in Apache

577

What is the default file format to import data using Apache Sqoop?

Where is the Mapper Output stored?

1413

Is ambari python clients can be used to make the good use of ambari api’s?

Explain the Single point of Failure in Hadoop?

519

Kafka has written in which languages?

588

What is the relationship between Jobs and Tasks in Hadoop?

659

Why is Hive not suitable for OLTP systems?

817

How to enable recycle bin or trash in hadoop?

737

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