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

What is pair rdd?

299

What is data pipeline in spark?

297

What is a spark rdd?

313

What are the optimization techniques in spark?

282

Can you run spark on windows?

294

Why is spark good?

290

Do I need to know hadoop to learn spark?

340

Is a distributed machine learning framework on top of spark?

332

How does hadoop achieve fault tolerance?

416

Is hadoop still in demand?

447

What is winutils hadoop?

430

Is hive a nosql database?

639

Is hive similar to sql?

727

What is difference between hive and hdfs?

625

What is skew data in hive?

698

Un-Answered Questions { Hadoop }

Explain the different logging levels in cassandra.

What is a “Distributed Cache” in Apache Hadoop?

777

What does rdd stand for in logistics?

315

What is the default maximum dynamic partition that can be created by a mapper reducer? How can you change it?

717

List the various components in kafka?

537

Describe Replication Factor?

What is apache spark core?

304

How much Metadata will be created on NameNode in Hadoop?

What is the difference between nas (network attached storage) and hdfs?

How will you merge the contents of two or more relations and divide a single relation into two or more relations?

938

What does hadoop-metrics.properties file do?

529

Is hadoop the future?

649

Is spark built on top of hadoop?

315

What is rack awareness in hadoop?

487

What is the Difference SparkSession vs SparkContext in Apache Spark?

415

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