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

Big Data Interview Questions

Questions Answers Views Company eMail

What is non-dfs used in hdfs web console

If the source data gets updated every now and then, how will you synchronize the data in hdfs that is imported by sqoop?

149

How to use hdfs put command for data transfer from flume to hdfs?

What are tools available to send the streaming data to hdfs?

how does hdfs ensure data integrity of data blocks stored in hadoop hdfs?

Compare hbase vs hdfs?

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

Is the hdfs block size reduced to achieve faster query results?

Why does hive not store metadata information in hdfs?

When and how to create hadoop archive?

444

What is the difference between namenode and datanode in hadoop?

495

Ideally what should be the replication factor in hadoop?

425

What is rack awareness in hadoop?

487

While starting hadoop services, datanode service is not running?

439

what happens when namenode goes down during file read operation in hadoop?

591

Un-Answered Questions { Big Data }

What are the benefits of block transfer?

994

Is fs.mapr.working.dir a single directory?

683

What is the role of a MapReduce partitioner?

806

What is hive installation path?

741

What does heartbeat in hdfs means?

Where can I find impala documentation?

What is the main difference between kafka and fume?

594

Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?

689

Explain Catalyst framework?

361

what are the steps involved in commissioning adding

909

What hadoop does in safe mode?

649

Is spark faster than hadoop?

356

how is a file of the size 1 GB uncompressed

931

Can you define inputsplit in hadoop?

468

How can client interact with Hive?

699

For More Un-Answered { Big Data } Questions Click Here