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 is Ambari shell?

How is Ambari different from ZooKeeper?

Why Ambari?

200

State benefits of Hadoop users by using Apache Ambari?

How to set up local repository manually?

In which language is the Ambari Shell is developed?

State some Ambari components which we can use for automation as well as integration?

110

What are the different methods to set up local repositories?

Name some best features of Ambari?

What is the process of creating an Ambari client?

Name some independent extensions that contribute to the Ambari codebase?

How can we see all the hosts that are available in Ambari?

Explain future growth of Apache Ambari?

Can we use Ambari Python Client to use of Ambari API’s?

Which command is used to list all the tables in a database or list all the columns in a table?

Un-Answered Questions { Hadoop }

what do you mean by compaction?

What is the difference between hbase and hadoop/hdfs?

177

What is Apache Spark? What is the reason behind the evolution of this framework?

294

Mention what is the use of Context Object?

755

What are Guarantees provided by Kafka?

552

Can you modify the file present in hdfs?

What can skew the mean?

298

What is the design architecture of Cassandra?

How to set mappers and reducers for Hadoop jobs?

665

How a task is scheduled by a jobtracker?

718

What is Pig Statistics? What are all stats classes in the Java API package available?

610

What are the relational operators available related to combining and splitting in pig language?

751

What is the latest version of ambari that is available in the market and what is the feature that they have added in it?

What are the key differences between Pig vs MapReduce?

661

Which Sorting algorithm is used in Hadoop MapReduce?

645

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