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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

Which is the best place to learn hadoop?

1 5314

Which Ab initio version has Hadoop connector ? and what is the latest GDE version available ?

Infosys, TCS,

1 15138

Hi I am looking for Hadoop Cloudera certification dumps. Please contact me if you some one have any idea about it. nzkhum786@gmail.com

1819

I studied MBA, I want learn any softwarecourse, which course is better hadoop or testing tools(manual+selenium?)

1670

How to configure hadoop to reuse JVM for mappers?

1201

Which one is default InputFormat in Hadoop ?

1 2343

What should be the ideal replication factor in Hadoop Cluster?

2 3105

How can one increase replication factor to a desired value in Hadoop?

1120

What is a Record Reader in hadoop?

957

What is version-id mismatch error in hadoop?

1055

Hive for Hadoop - Give some points?

1 2036

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

968

What is HDFS - Hadoop Distributed File System?

962

What are the most commonly defined input formats in Hadoop?

1058

What does /var/hadoop/pids do?

1264




Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1454


What are the modules that constitute the Apache Hadoop 2.0 framework?

1005


What is Apache Hadoop? Why is Hadoop essential for every Big Data application?

907


What are the core components of Apache Hadoop?

784


What is the difference between Apache Hadoop and RDBMS?

807


How is security achieved in Apache Hadoop?

909


What is Apache Hadoop?

851


What is a “Distributed Cache” in Apache Hadoop?

777


What is the problem with small files in Apache Hadoop?

783


What is Rack Awareness in Apache Hadoop?

811


Explain Erasure Coding in Apache Hadoop?

750


What is Disk Balancer in Apache Hadoop?

887


What is a speculative execution in Apache Hadoop MapReduce?

793


What are the modes in which Apache Hadoop run?

800


What is Safemode in Apache Hadoop?

733