Hadoop Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Hadoop Interview Questions

Questions Answers Views Company eMail

What is presto?

What are the components of presto architecture?

What are the functions of presto?

What are the config properties of presto?

What is apache tajo?

How to add column in apache tajo?

How to drop database in apache tajo?

How to insert records in apache tajo?

Explain about tajo worker configuration?

What are the window functions provided by apache tajo?

How to set property in apache tajo?

Explain tajo configuration files?

What is distinct clause in apache tajo?

What are the different data formats supported by apache tajo?

How can we launch a tajo cluster?

Un-Answered Questions { Hadoop }

Can we say cogroup is a group of more than 1 data set?

781

Which classes are used by the hive to read and write hdfs files?

What is UDF in Pig?

692

Explain the RDD properties?

333

Explain the various table design approaches in HBase?

138

If you run hive as a server, what are the available mechanism for connecting it from application?

935

Why we need impala hadoop?

What is the difference between piglatin and hiveql?

709

Explain what is jobtracker in hadoop? What are the actions followed by hadoop?

456

Explain what are the basic parameters of a mapper?

869

Does Pig give any warning when there is a type mismatch or missing field?

942

Can you briefly explain the apache mahout?

Explain what is hadoop?

470

What is SerDe in Apache Hive ?

978

How to set the number of mappers to be created in MapReduce?

698

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