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

Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)

Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)

Hadoop Interview Questions

Questions Answers Views Company eMail

Who invented the first spark plug?

244

What happens when you submit spark job?

284

Where is apache spark used?

295

What is parallelize in spark?

306

Can we run spark on windows?

293

How do I start a spark master?

299

What is spark checkpointing?

302

What is the latest version of spark?

287

What is mlib in apache spark?

319

What is the use of spark?

288

Why do fires spark?

316

What can I do with my m&s sparks points?

347

Is spark better than hadoop?

338

What is javardd spark?

388

Is spark streaming real time?

295

Un-Answered Questions { Hadoop }

What is the use of MasterServer?

178

Mention what is the difference between Hbase and Hive?

745

What do you understand by the term snitch in cassandra? Give some example.

How many Daemon processes run on a Hadoop system?

1136

Define “speculative execution” in hadoop?

477

Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?

1120

How did you debug your Hadoop code ?

1413

Is it possible to change the default location of Managed Tables in Hive, if so how?

757

What exactly is apache spark?

309

What is the difference between Cassandra and Hadoop ?

What is the communication channel between client and namenode/datanode?

1771

Define SSTable?

How mahout used with python ?

161

How does data transfer happen from hdfs to hive?

155

State some advantages of impala?

For More Un-Answered { Hadoop } Questions Click Here