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

Explain the functionality of object-inspector.

782

Differentiate between hive and hbase?

811

Explain process to access sub directories recursively in hive queries.

952

Mention the date data type in hive. Name the hive data type collection.

742

What is the local repository and where it is useful while using ambari environment?

Explain repository in apache ambari?

Explain the functionalities of the nagios in ambari?

Can ambari manage multiple clusters and why?

What is the latest version of ambari that is available in the present market?

In ambari what are the different life cycle commands?

Can you define the process of creating ambari client?

What are the different tasks we can perform managing host using ambari host tab?

Explain the core benefits for hadoop users by using the apache ambari?

Explain the functionalities of ganglia in ambari?

What are the components of apache ambari architecture?

Un-Answered Questions { Hadoop }

Name the languages which are supported by apache spark and which one is most popular?

294

What is the benifit of Distributed cache, why can we just have the file in HDFS and have the application read it?

What does ambari shell can provide?

When to choose "External Table" in Hive?

842

What daemons run on master nodes?

517

What is a distributed cache in mapreduce framework?

663

What is row in hbase?

178

Can you explain apache spark?

335

Difference Between Hadoop and HDFS?

What is the inputsplit in map reduce software?

676

What are the complicated steps in Flume configurations?

146

What is sc textfile?

351

What is Bucketing and Clustering in Hive?

728

Please explain the sparse vector in Spark.

304

Can I run an ensemble cluster behind a load balancer?

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