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

Big Data Interview Questions

Questions Answers Views Company eMail

Do you know the comparative differences between apache spark and hadoop?

276

What do you understand about yarn?

285

Name few companies that are the uses of apache spark?

301

Name the operations supported by rdd?

329

Name the languages which are supported by apache spark and which one is most popular?

279

Can you explain about the cluster manager of apache spark?

260

If map reduce is inferior to spark then is there any benefit of learning it?

281

How can we create rdds in apache spark?

313

What are accumulators in spark?

311

Can you mention some features of spark?

320

What do you understand by the partitions in spark?

317

What is a hive on spark?

292

What are the three steps involved in big data?

517

What are the core components that are utilized in hadoop?

518

Explain the first step in big data solutions.

507

Un-Answered Questions { Big Data }

Explain about the execution pl of a pig script?
or
differentiate between the logical and physical plan of an apache pig script?

509

What is column families? What happens if you alter the block size of ColumnFamily on an already populated database?

1105

Can you explain spark core?

264

State the usage of 'filters', 'group' , 'orderBy', 'distinct' keywords in pig scripts?

661

What does the file hadoop-metrics.properties do?

486

Explain how cassandra writes changed data into commitlog?

Does spark use zookeeper?

275

Explain pigdump function?

611

What are the different life cycle commands in ambari?

What is the heartbeat used for?

1045

What is Reducer in Hadoop?

549

What is Cassandra-Cqlsh?

129

How do I get better performance with spark?

295

Give the command to see the indexes on a table?

922

Explain tokenize?

582

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