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Hadoop Interview Questions
Questions Answers Views Company eMail

How do I download and install spark?

321

What is meant by spark in big data?

303

What is shuffle spill in spark?

294

Is spark a special attack?

307

How does rdd work in spark?

311

Which serialization libraries are supported in spark?

349

What is project tungsten in spark?

314

How does broadcast join work in spark?

319

How does apache spark engine work?

332

What do you use spark for?

375

How does executor work in spark?

331

What is in memory processing in spark?

290

Do we need to install spark in all nodes?

285

What is difference between hive and spark?

283

What is spark vcores?

293


Un-Answered Questions { Hadoop }

Can you define the process of creating ambari client?

54


What is the difference between Cassandra, Pig and Hive?

1049


Why is jconsole used?

102


What does the mapred.job.tracker command do?

472


Use of list-databases command in hadoop sqoop?

5


Explain how indexing is done in hdfs?

51


How can native libraries be included in yarn jobs?

516


how to share the metastore within multiple users?

969


How to load data into table created in hive ?

744


Which command do we use to show the version?

164


How does hdfs give great throughput?

45


Explain textFile Vs wholeTextFile in Spark?

440


What is InputFormat in Hadoop MapReduce?

724


Describe Spark SQL?

360


what daemons run on a master node and slave nodes?

753