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

Explain bagtotuple?

575

How do you write comments in pig scripts?

543

What is a tuple in pig?

547

What is interactive mode in apache pig?

537

What are the execution modes in the apache pig?

510

What is the use of illustrate in pig?

520

When to use hadoop, hbase, hive and pig?

535

Explain tokenize?

582

What are pig scripts?

586

Are pig scripts support distributed file systems?

538

How do you run pig scripts on kerberos secured cluster?

545

What is the primary purpose of the pig in the hadoop architecture?

2726

What is the difference between pig and hive?

717

Explain hbasestorage function?

596

Explain hive udf function?

527

Un-Answered Questions { Hadoop }

What is sc parallelize?

351

What are the data types of Pig Latin?

565

What is spark client?

277

How can you use consumer api?

522

Is there any point of learning mapreduce, then?

646

What load do concurrent queries produce on the namenode?

What is the difference between Hadoop and RDBMS?

632

What is Clustring in Hive?

741

Explain Spark SQL caching and uncaching?

331

What does rack awareness algorithm means and why is it utilized as a part of hadoop?

429

How is HDFS fault tolerant?

1037

Describe SPM?

Define HDFS and talk about their respective components?

State the usage of 'filters', 'group' , 'orderBy', 'distinct' keywords in pig scripts?

661

What is LazyOutputFormat in Hadoop?

495

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