Why Mapper runs in heavy weight process and not in a thread in MapReduce?

374

Is a job split into maps?

717

Whether Pig Latin language is case-sensitive or not?

309

How is HDFS fault tolerant?

702

Does spark use mapreduce?

186

Is kafka big data?

286

What are the different Complex Data Types available in Hive?

615

Mention what is ObjectInspector functionality in Hive?

440

How is the splitting of file invoked in Hadoop ?

266

What does adminclient api in kafka?

291

Define RDD?

228

Which command do we use to insert data in HCatalog?

5

What are common spark ecosystems?

187

What is shuffling and sorting in mapreduce?

375

What is metadata storage service in bookkeeper?

1