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 }

What is the prerequisite for Apache Hive installation?

759

Is spark part of hadoop ecosystem?

308

how is a file of the size 1 GB uncompressed

962

What is HBase?

367

Explain pipe() operation. How it writes the result to the standard output?

304

Explain different transformation on DStream?

288

Map reduce jobs take too long. What can be done to improve the performance of the cluster?

752

What is the advantage of hadoop over java serialization?

Explain HCatReader?

Define sparksession in apache spark? Why is it needed?

289

Can you modify the file present in hdfs?

Define replication factor?

102

What is shuffle spill in spark?

294

How to start zookeeper server?

What is BloomMapFile used for?

712

For More Un-Answered { Hadoop } Questions Click Here