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Topic :: Apache Spark





Apache Spark Interview Questions
Questions Answers Views Company eMail

What are the differences between Caching and Persistence method in Apache Spark?

 302

Explain the operation reduce() in Spark?

 271

Explain the lookup() operation in Spark?

 217

Explain the processing speed difference between Hadoop and Apache Spark?

 267

Explain the operation transformation and action in Apache Spark RDD?

 313

Explain Spark join() operation?

 266

How is RDD in Apache Spark different from Distributed Storage Management?

 332

Explain various Apache Spark ecosystem components. In which scenarios can we use these components?

 365

Explain Spark leftOuterJoin() and rightOuterJoin() operation?

 281

List out the difference between textFile and wholeTextFile in Apache Spark?

 383

What are the exact differences between reduce and fold operation in Spark?

 435

Explain countByValue() operation in Apache Spark RDD?

 249

Explain Spark countByKey() operation?

 300

What is Starvation scenario in spark streaming?

 338

Explain the action count() in Spark RDD?

 271



Related Topics


Un-Answered Questions { Apache Spark }

What are Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift?

579

Hadoop uses replication to achieve fault tolerance. How is this achieved in Apache Spark?

400

Does Apache Spark provide check pointing?

396

Explain about the popular use cases of Apache Spark

408

Why is Apache Spark faster than Apache Hadoop?

789

Compare Apache Hadoop and Apache Spark?

411

What is Apache Spark?

351

explain the key features of Apache Spark?

324

How is Apache Spark better than Hadoop?

292

Explain the term paired RDD in Apache Spark?

380

Which all languages Apache Spark supports?

328

explain the concept of RDD (Resilient Distributed Dataset). Also, state how you can create RDDs in Apache Spark.

391

What are the types of Apache Spark transformation?

274

Why Apache Spark?

305

Explain transformation and action in RDD in Apache Spark?

285