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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 5196

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

Infosys, TCS,

1 15031

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

1754

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

1610

How to configure hadoop to reuse JVM for mappers?

1151

Which one is default InputFormat in Hadoop ?

1 2252

What should be the ideal replication factor in Hadoop Cluster?

2 2977

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

1076

What is a Record Reader in hadoop?

907

What is version-id mismatch error in hadoop?

1013

Hive for Hadoop - Give some points?

1 1957

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

923

What is HDFS - Hadoop Distributed File System?

912

What are the most commonly defined input formats in Hadoop?

1016

What does /var/hadoop/pids do?

1211




Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1414


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

955


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

845


What are the core components of Apache Hadoop?

710


What is the difference between Apache Hadoop and RDBMS?

735


How is security achieved in Apache Hadoop?

831


What is Apache Hadoop?

798


What is a “Distributed Cache” in Apache Hadoop?

721


What is the problem with small files in Apache Hadoop?

725


What is Rack Awareness in Apache Hadoop?

743


Explain Erasure Coding in Apache Hadoop?

690


What is Disk Balancer in Apache Hadoop?

796


What is a speculative execution in Apache Hadoop MapReduce?

736


What are the modes in which Apache Hadoop run?

740


What is Safemode in Apache Hadoop?

673