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Big Data Interview Questions
Questions Answers Views Company eMail

how you can get exactly once messaging from Kafka during data production?

 554

What are the types of System tools?

 649

Why Should we use Apache Kafka Cluster?

 591

Mention what happens if the preferred replica is not in the ISR?

 554

Explain the term 'Topic Replication Factor'?

 525

Explain the term 'Log Anatomy'?

 540

what is the traditional method of message transfer?

 676

Explain Sort Order in brief?

 164

When to use Avro, explain?

 51

Name some AVRO Reference APIs?

 42

What is the way of creating Avro Schemas?

 45

Who developed Apache Avro?

 57

What is the required action you need to perform if you opt for scheduled maintenance on the cluster nodes?

 53

What are the purposes of using Ambari shell?

 49

What is the role of “ambari-qa” user?

 59

Un-Answered Questions { Big Data }

Explain foreach() operation in apache spark?

308

What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?

1172

What happens if you don?t override the mapper methods and keep them as it is?

462

What are the default read and write classes in Hive?

656

What is the default value of map and reduce max attempts?

931

How to setup the local repository manually?

88

Before deploying the hadoop instance, what are the checks that an individual should do?

54

Why not just use zookeeper for everything?

1

What are the advantage of spark?

292

Is it possible to use same metastore by multiple users, in case of embedded hive?

657

Mention some instances where zookeeper is using?

5

How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?

693

What is the function of Cluster.Builder class in Cassandra?

139

Explain ALTER Table statement in Hive?

707

Discuss writeahead logging in Apache Spark Streaming?

324

For More Un-Answered { Big Data } Questions Click Here