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 deletion in hbase? Mention what are the three types of tombstone markers in hbase?

137

What are the main key structures of hbase?

162

What is the use of hbase hmaster?

141

Which technique can you use in hbase to access hfile directly without the help of hbase?

169

Explain what is wal and hlog in hbase?

297

How many operational commands in hbase?

164

why use hcolumndescriptor class?

146

What is the row key?

153

Tell me about the types of hbase operations?

171

How does hbase actually delete a row?

188

Name the filter which accepts the page size as the parameter in hbase?

179

Explain why to use hbase?

154

Mention the difference between hbase and relational database?

157

Mention what are the three types of tombstone markers in hbase?

219

Mention what are the key components of hbase?

165

Un-Answered Questions { Big Data }

Explain what is the row key?

146

How can hive avoid mapreduce?

618

Can you explain hadoop streaming?

380

Which language is best for spark?

255

What are shared variables?

314

Why do we need Hadoop Archives? How is it created?

515

What is pregel api?

279

How does hadoop achieve fault tolerance?

369

What are the different UDF’s in Pig?

601

Explain the difference between mahout & mllib?

How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?

687

How does impala compare to hive and pig?

What are the three components of Cassandra write?

114

Explain some Advantages of Avro?

120

Is it possible to have hadoop job output in multiple directories?

406

For More Un-Answered { Big Data } Questions Click Here