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 a Record Reader in hadoop?

1015

What is version-id mismatch error in hadoop?

1087

how to share the metastore within multiple users?

971

What is a partitioner and how the user can control which key will go to which reducer?

1011

Hive for Hadoop - Give some points?

1 2099

How do you define "block" in HDFS?

969

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

1414

How does Mappers run method works?

946

What are the components of Apache Pig platform?

792

What is Distributed Cache?

944

what is difference between pig and sql?

2662

What problem does Apache Pig solve?

843

if you run Hive as a server?

967

What problems have you faced when you are working on Hadoop code?

1023

What is HDFS - Hadoop Distributed File System?

1011

Un-Answered Questions { Big Data }

What is the difference between hbase and hadoop/hdfs?

177

What are the functionalities of jobtracer?

468

Explain about trformations and actions in the context of rdds?

324

Can hive run without hadoop?

714

How will you make changes to the default configuration files?

1020

What are the views in Hive?

701

What is High Availability feature in Hadoop2?

484

What is flume and kafka?

Explain about the execution plans of a pig script?
or
differentiate between the logical and physical plan of an apache pig script?

525

What are the core apis in kafka?

649

File permissions in HDFS?

what is composite type in cassandra?

Explain the hadoop configuration files at present?

705

Define the term thrift

138

Mention the salient features of apache tajo ?

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