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

Big Data Interview Questions

Questions Answers Views Company eMail

How to save RDD?

313

What are the common faults of the developer while using Apache Spark?

287

When creating an RDD, what goes on internally?

295

What is Spark MLlib?

406

What is meant by Transformation? Give some examples.

306

On which all platform can Apache Spark run?

269

What do we mean by Paraquet?

445

Explain various cluster manager in Apache Spark?

381

What is the difference between DAG and Lineage?

1620

What are the file formats supported by spark?

305

List some use cases where Spark outperforms Hadoop in processing.

293

Explain the use of File system API in Apache Spark

286

How can you minimize data transfers when working with Spark?

349

Explain about the common workflow of a Spark program?

339

What do you understand by receivers in Spark Streaming ?

326

Un-Answered Questions { Big Data }

Why HDFS stores data using commodity hardware despite the higher chance of failures?

how can you debug Hadoop code?

839

How to access HDFS?

What is document store db? Explain with an example.

Explain how indexing is done in hdfs?

Name few companies that are the uses of apache spark?

301

Can we say cogroup is a group of more than 1 data set?

725

Explain how HCatalog enables right tool for right Job?

What are the benefits/ advantages of Cassandra?

What are the different modes in which we can configure/install Hadoop?

542

What is the purpose of Sqoop List Tables?

How can you add a new partition for the month December in the above partitioned table?

681

What are the basic steps to writing a UDF Function in Pig?

701

What is the problem with the small file in Hadoop?

651

Explain the filter transformation?

309

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