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

What are the methods to set up the local repository in different methods?

How to setup the local repository manually?

What are the different tools used for the ambari monitoring purpose?

What bit version ambary needs and list out the operating system that are compatible?

In ambari 2.6.2 version added the following features:

Can you explain apache ambari?

What does the ambari shell can be provided?

What are the types of ambari repositories are available?

What are the all tasks we can perform for managing services using the ambari service tab?

Define yum?

How can we have to see the all hosts that are available in the ambari?

What are components of ambari tjat are important for automation and integration?

In which language ambari shell is developed?

How can we have to see all the clusters that are available in ambari?

What are the tools that are we needed or helps to build ambari?

Un-Answered Questions { Hadoop }

What file systems does spark support?

1802

What do you know about keyvaluetextinputformat?

641

Explain hive udf function?

569

What is the task of Spark Engine

344

Explain data flow in Flume?

103

Where do you specify the Mapper Implementation?

1059

Define catalog tables in HBase?

218

What is the difference between piglatin and hiveql?

709

Explain bagtotuple?

632

What is action, how it process data in apache spark

353

What is metastore?

690

You have a file personal_data.txt in the HDFS directory with 100 records. You want to see only the first 5 records from the employee.txt file. How will you do this?

838

What happens when an action is executed in spark?

357

How is recovery achieved in Ambari?

Is map like a pointer?

952

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