Sign Up Login


  1. Categories >> Software >> Big Data >> Hadoop
  2. Suggest New Category



Hadoop Interview Questions
Questions Answers Views Company eMail

Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?

 342

Explain what is a task tracker in hadoop?

 296

Explain what is speculative execution?

 303

Explain what happens in text format?

 425

Mention what is distributed cache in hadoop?

 311

Explain how can you debug hadoop code?

 338

Explain how can you check whether namenode is working beside using the jps command?

 329

Explain what is webdav in hadoop?

 362

Mention what job does the conf class do?

 318

For using hadoop list the network requirements?

 306

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

 133

What are the main key structures of hbase?

 144

What is the use of hbase hmaster?

 136

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

 154

Explain what is wal and hlog in hbase?

 238

Un-Answered Questions { Hadoop }

Explain the run-time architecture of Spark?

246

Explain the general mapreduce algorithm

484

What do you know about the speculative execution?

302

Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?

857

What is the difference between apache mahout and spark mllib ?

55

What happen if one of the datanodes has much slower cpu?

309

Explain the operations of Apache Spark RDD?

241

Explain Dsstream with reference to Apache Spark

289

What is the function of mapreducer partitioner?

468

Which storage level does the cache () function use?

244

What is ColumnFamily?

66

What is a hive on spark?

239

Can you define inputsplit in hadoop?

347

What is the current version of Hive?

592

what are Task Tracker and Job Tracker?

838

For More Un-Answered { Hadoop } Questions Click Here