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 are the key segments of hive architecture?

673

Say what the object inspector functionality is in hive?

752

What is the major difference between local and remote meta-store?

902

Clarify how hive de-serialize and serialize the information?

643

What is the utilization of hcatalog?

686

What are the various uses of explode hive?

678

Say when to pick “inward table” and “outside table” in hive?

704

What do hive variable means? How can we utilize it?

597

What in hive made out of?

686

Specify the different types of tables accessible in hive?

799

Clarify about the smb join in hive?

658

What is the throughput? How does hdfs give great throughput?

How does hdfs ensure information integrity of data blocks squares kept in hdfs?

What do you mean by block scanner in hdfs?

What do you mean by meta information in hdfs? List the documents related to metadata.

Un-Answered Questions { Hadoop }

What are the limitations of Hadoop?

568

Explain various Apache Spark ecosystem components. In which scenarios can we use these components?

381

Can you modify the file present in hdfs?

How to delete the table with the HBase shell?

143

explain the use of blinkdb?

288

What is a bag in Pig Latin?

863

Features of Kafka Stream?

507

What is the use of apache flume?

What is hadoop? Name the main components of a hadoop application?

445

why should we use 'filters' in pig scripts?

557

If you run a select * query in hive, why does it not run mapreduce?

743

What is compute and Storage nodes?

1024

How hbase handles the write failure?

208

How do I get apache spark on windows 10?

296

What is a tuple in pig?

547

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