Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

What are the options-process for upgrading zookeeper?

Is there an easy way to expire a session for testing?

What are producer-consumer queues?

What is a bookie in bookkeeper?

Describe how hbase uses zookeeper?

How kafka communicate with clients and servers?

493

What is log compaction?

498

Kafka has written in which languages?

505

What exactly kafka does?

445

What are consumers in kafka?

513

What does producer api in kafka?

454

What does consumer api in kafka?

476

How can you configur the log cleaner?

519

What are the core api’s of kafka?

469

How can you use streams api?

501

Un-Answered Questions { Big Data }

What are the tools that are used in ambari monitoring?

What is the process of creating ambari client?

What is a IdentityMapper and IdentityReducer in MapReduce ?

904

When executing Hive queries in different directories, why is metastore_db created in all places from where Hive is launched?

792

When to use –target-dir and when to use –warehouse-dir while importing data?

Explain Spark coalesce() operation?

273

What is hbase in hadoop?

607

What are the features and characteristics of Apache Spark?

278

What are Guarantees provided by Kafka?

500

what is the Hadoop MapReduce APIs contract for a key and value class?

626

What is Spark Dataset?

306

What is the sequencefileinputformat in hadoop?

672

What is structured data?

595

What do sorting and shuffling do?

643

How hdfs is different from traditional file systems?

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