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Hadoop Interview Questions
Questions Answers Views Company eMail

How can multi-hop agent be set up in Flume?

 118

What is Interceptor?

 109

Is it possible to leverage real-time analysis of the big data collected by Flume directly? If yes, then explain how?

 146

Explain the core components of Flume?

 109

Explain about the different channel types in Flume. Which channel type is faster?

 171

Apache Flume support third-party plugins also?

 85

What is an Agent?

 87

Explain about the replication and multiplexing selectors in Flume?

 100

Differentiate between FileSink and FileRollSink?

 107

Why are we using Flume?

 82

Difference between Sqoop and Cassandra?

 5

How are large objects handled in Sqoop?

 5

How Sqoop can be used in a Java program?

 5

How can you check all the tables present in a single database using Sqoop?

 5

Is it possible to do an incremental import using Sqoop?

 5

Un-Answered Questions { Hadoop }

What are benefits of Spark over MapReduce?

453

Can you explain sqoop metastore?

3

What is Zookeeper Cluster?

5

How to split single hdfs block into partitions rdd?

46

Which are the methods to create rdd in spark?

295

How Cassandra provide High availability feature?

72

How can you prevent a large job from running for a long time? What do u think is more popular among the developers - Pig or Hive?

662

What co-group does in Pig?

629

Hdfs stores data using commodity hardware which has higher chances of failures. So, how hdfs ensures the fault tolerance capability of the system?

31

What are the core api’s of kafka?

501

Give the data storage units in Cassandra?

78

What is the replication factor?

94

Can spark work without hadoop?

331

Explain the use of File system API in Apache Spark

286

Explain Multi-tenancy?

555

For More Un-Answered { Hadoop } Questions Click Here