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 different types of Ambari repositories?

What is a local repository and when will you use it?

160

What are the tools you need to build Ambari?

112

What are the different tools used for Ambari monitoring purpose?

What is Yum?

What are the benefits of setting up a local repository?

What is the latest version of Ambari that is available in the market?

Explain different life cycle commands in Ambari?

What is the Repository?

What is the feature that they have added in the latest release?

What all tasks you can perform for managing services using Ambari service tab?

What are the operating systems supported by Apache Ambari?

What all tasks you can perform for managing host using Ambari host tab?

Explain some of the basic commands used for Apache Ambari server?

What is Apache Avro?

Un-Answered Questions { Hadoop }

How to write a custom partitioner for a Hadoop MapReduce job?

598

What is cluster in Cassandra data model?

What are the Optimizations a developer can use during joins?

494

How to use 'foreach' operation in pig scripts?

521

What is the procedure of data storage in cassandra?

How does cassandra perform write operations?

What is the work of hive/hcatalog?

707

How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?

382

How can you manually partition the rdd?

273

Can you list few commonly used hive services?

614

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

1683

Where is the Mapper Output intermediate kay-value data stored ?

1303

Explain transformation and action in RDD in Apache Spark?

279

Explain when using field grouping in storm, is there any time-out or limit to known field values?

554

How many compaction types are in HBase?

175

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