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Topic :: Apache Hadoop





Apache Hadoop Interview Questions
Questions Answers Views Company eMail

What are the disadvantages of hadoop serialization?

34

Explain the core benefits for hadoop users by using the apache ambari?

65

Explain how can apache spark be used alongside hadoop?

246

Use of import-all-tables command in hadoop sqoop?

5

Use of create-hive-table command in hadoop sqoop?

5

Use of list-tables command in hadoop sqoop?

5

Use of eval command in hadoop sqoop?

5

Use of list-databases command in hadoop sqoop?

5

Use of export command in hadoop sqoop?

5

Hadoop sqoop word came from?

5

What are the main methods of data transferring in hadoop sqoop?

5

Use of version command in hadoop sqoop?

5

What is hadoop sqoop?

5

How we can check hadoop sqoop installed or not in a system?

5

Hadoop sqoop is which type of tool?

5




Un-Answered Questions { Apache Hadoop }

What is Apache Hadoop YARN?

1417


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

961


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

850


What are the core components of Apache Hadoop?

718


What is the difference between Apache Hadoop and RDBMS?

743


How is security achieved in Apache Hadoop?

836


What is Apache Hadoop?

800


What is a “Distributed Cache” in Apache Hadoop?

725


What is the problem with small files in Apache Hadoop?

729


What is Rack Awareness in Apache Hadoop?

750


Explain Erasure Coding in Apache Hadoop?

693


What is Disk Balancer in Apache Hadoop?

802


What is a speculative execution in Apache Hadoop MapReduce?

739


What are the modes in which Apache Hadoop run?

747


What is Safemode in Apache Hadoop?

684