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

Big Data Interview Questions

Questions Answers Views Company eMail

Can you list down the limitations of using Apache Spark?

313

Can you use Spark for ETL process?

279

What are the disadvantages of using Spark?

309

Where does Spark Driver run on Yarn?

288

Explain the terms Spark Partitions and Partitioners?

303

What do we mean by Partitions or slices?

281

How can you store the data in spark?

322

What are the advantages of DataFrame?

314

What are the components of Spark Ecosystem?

303

How is data represented in Spark?

307

What is the difference between Spark Transform in DStream and map ?

298

Explain various level of persistence in Apache Spark?

302

What are benefits of DataFrame in Spark?

328

What are the various programming languages supported by Spark?

355

What is accumulator?

319

Un-Answered Questions { Big Data }

Give examples of the SerDe classes which hive uses to Serialize and Deserialize data?

700

Explain the fundamental difference between Cassandra and Hadoop?

224

What are the relational operators available related to Grouping and joining in Pig language?

482

Explain pipe() operation. How it writes the result to the standard output?

280

Does HDFS allow a client to read a file which is already opened for writing?

What is tungsten in spark?

393

what if job tracker machine is down?

475

Give a list of Collection data type in Cassandra?

What is a tuple in pig?

547

Why we use parallelize in spark?

289

What are the components used in Hive query processor?

870

Can we load data into a view?

701

What ate the key components of Hive Architecture?

854

What is Pig Statistics? What are all stats classes in the Java API package available?

573

How can you set an arbitrary number of mappers to be created for a job in Hadoop?

461

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