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Big Data Interview Questions
Questions Answers Views Company eMail

Explain count_star?

554

Explain pigdump function?

612

What is kerberos secured cluster in apache pig?

704

How can you debug a pig script?

595

What is the relationship between hdfs, hbase, pig, hive and azkaban?

510

What is the use of binstorage?

569

What are complex data types in pig?

578

Explain textloader function?

652

What is a bag in apache pig?

543

Explain plucktuple?

576

What is a ledger in bookkeeper?

1

What are the different zkclientbindings?

1

What are the design goals of zookeeper?

1

What are znodes?

1

What are nodes and ephemeral nodes?

1


Un-Answered Questions { Big Data }

List various commonly used machine learning algorithm?

373


What is the design architecture of Cassandra?

85


Can Hadoop be compared to NOSQL database like Cassandra?

910


Explain the first step in big data solutions.

508


What are the different components of a Hive query processor?

1423


What is apache spark good for?

282


How to restrict the number of lines to be printed in pig ?

581


What are the network requirements for using hadoop?

684


What is the function of HMaster?

255


how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?

782


What are the Advantages of using Cassandra ?

93


Define data integrity? How does hdfs ensure data integrity of data blocks stored in hdfs?

54


How indexing is done in HDFS?

1086


How to create and manage a view in HCatalog?

5


If you omit the overwrite clause while creating a hive table,what happens to file which are new and files which already exist?

753