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

How do I download adobe spark?

389

How does spark program work?

286

Is spark a programming language?

308

Which one is better hadoop or spark?

324

What is the difference between hive and spark?

320

What is setmaster in spark?

328

What is a shuffle block in spark?

291

Does spark need yarn?

259

What is salting in spark?

434

What is spark in big data?

318

How does spark run hadoop?

306

How does apache spark work?

308

How do I check my spark status?

297

Where does spark plug get power?

294

Is scala required for spark?

332

Un-Answered Questions { Hadoop }

Can you explain hadoop streaming?

452

How would you tackle calculating the number of unique visitors for each hour by mining a huge apache log? You can use post processing on the output of the mapreduce job.

897

What is a table generating function on hive?

763

What is the significance of ‘IF EXISTS” clause while dropping a table?

760

What is Fault Tolerance in Hadoop HDFS?

Difference Between Hadoop and HDFS?

Does the HDFS go wrong? If so, how?

Where can I find impala documentation?

Is there an api for implementing graphs in spark?

2047

What is the Job interface in MapReduce framework?

959

In which language is the Ambari Shell is developed?

How to setup the local repository manually?

Which method is used to access HFile directly without using HBase?

222

Differentiate HDFS & HBase?

What is the difference between python and spark?

293

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