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Hadoop Interview Questions
Questions Answers Views Company eMail

Mention how many inputsplits is made by a hadoop framework?

533

Explain what is jobtracker in hadoop? What are the actions followed by hadoop?

369

Explain is it possible to search for files using wildcards?

428

Explain what is hadoop?

402

Explain what is sequencefileinputformat?

410

Mention how hadoop is different from other data processing tools?

374

Mention what are the most common input formats defined in hadoop?

411

Mention what is rack awareness?

356

Mention what is the difference between an rdbms and hadoop?

386

Mention what are the three modes in which hadoop can be run?

388

Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?

577

Explain what is storage and compute nodes?

475

Explain how jobtracker schedules a task?

426

Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?

397

What happens in text format?

414


Un-Answered Questions { Hadoop }

What is pig properties?

515


Can You Use Apache Spark To Analyze and Access Data Stored In Cassandra Databases?

283


What is streaming access?

461


Who invented the first spark plug?

217


What does meta-store means in hive?

655


Explain Catalyst framework?

337


What is spark machine learning?

227


Explain Erasure Coding in Apache Hadoop?

692


What is lambda architecture spark?

301


What happen on the namenode when a client tries to read a data file?

429


Can we broadcast an rdd?

280


What is the biggest shortcoming of Spark?

295


What is the role of Consumer API?

476


In which language is the Ambari Shell is developed?

51


Compare hive, hbase, and impala?

42