Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

Explain count_star?

498

Explain pigdump function?

567

What is kerberos secured cluster in apache pig?

647

How can you debug a pig script?

558

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

479

What is the use of binstorage?

518

What are complex data types in pig?

544

Explain textloader function?

600

What is a bag in apache pig?

510

Explain plucktuple?

528

What is a ledger in bookkeeper?

What are the different zkclientbindings?

What are the design goals of zookeeper?

What are znodes?

What are nodes and ephemeral nodes?

Un-Answered Questions { Big Data }

What is flatmap in apache spark?

304

Define sparkcontext in apache spark?

295

What is lambda architecture spark?

301

Why is block size set to 128 MB in Hadoop HDFS?

What are the components of apache ambari architecture?

Is it necessary to know java to learn hadoop?

612

Explain what happens if you alter the block size of a column family on an already occupied database?

165

I have a relation r. How can I get the top 10 tuples from the relation r?

532

How data transfer happens from HDFS to Hive?

756

What are the default read and write classes in Hive?

608

Give the name of some components of Cassandra?

What is the difference between input split and hdfs block?

Can I run an ensemble cluster behind a load balancer?

How does master slave architecture in the hadoop?

751

While processing data from hdfs, does it execute code near data?

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