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?

521

How do you write comments in pig scripts?

511

What is a tuple in pig?

493

What is interactive mode in apache pig?

502

What are the execution modes in the apache pig?

470

What is the use of illustrate in pig?

478

When to use hadoop, hbase, hive and pig?

500

Explain tokenize?

524

What are pig scripts?

541

Are pig scripts support distributed file systems?

504

How do you run pig scripts on kerberos secured cluster?

497

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

2690

What is the difference between pig and hive?

665

Explain hbasestorage function?

544

Explain hive udf function?

480

Un-Answered Questions { Hadoop }

What is a Sparse Vector?

314

What are the different components that are available in kafka?

469

What are the data components used by Hadoop?

700

How can we create a hadoop cluster from scratch?

384

Do you need to install spark on all nodes of yarn cluster?

2014

What are the great features of spark sql?

268

What are “Seed Nodes” in Cassandra?

294

What is hinted handoff?

What are the data formats supported by apache tajo?

What features from relational databases or hive are not available in impala?

What are mapreduce new and old apis while writing map reduce program?. Explain how it works

580

How can we see only top 15 records from the student.txt out of100 records in the HDFS directory?

543

Explain Spark saveAsTextFile() operation?

321

What is kafka in hadoop?

481

Can we rename the output file?

636

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