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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

In hadoop_pid_dir, what does pid stands for?

 586

What are the network requirements for hadoop?

 527

What does hadoop-env.sh do?

 489

Which are the three modes in which hadoop can be run?

 543

Where is hadoop-env.sh file present?

 540

Can we use windows for hadoop?

 526

What are the hadoop configuration files at present?

 532

Can we create a hadoop cluster from scratch?

 480

What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?

 502

In which directory hadoop is installed?

 458

Does hadoop follows the unix pattern?

 479

What is the hadoop-core configuration?

 507

Give some points of hive for hadoop ?

 772

Which instance will you use for deploying a 4-node hadoop cluster in aws ?

 182

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

 45



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Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1499

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

1048

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

969

What are the core components of Apache Hadoop?

829

What is the difference between Apache Hadoop and RDBMS?

856

How is security achieved in Apache Hadoop?

965

What is Apache Hadoop?

900

What is a “Distributed Cache” in Apache Hadoop?

824

What is the problem with small files in Apache Hadoop?

839

What is Rack Awareness in Apache Hadoop?

859

Explain Erasure Coding in Apache Hadoop?

803

What is Disk Balancer in Apache Hadoop?

953

What is a speculative execution in Apache Hadoop MapReduce?

834

What are the modes in which Apache Hadoop run?

840

What is Safemode in Apache Hadoop?

781