Which are the elements of kafka?

606

When is it not recommended to use MapReduce paradigm for large

647

What do you mean by schema on reading?

713

Data Engineer Given a list of followers in the format:123, 345234, 678345, 123…Where column one is the ID of the follower and column two is the ID of the followee. Find all mutual following pairs (the pair 123, 345 in the example above). How would you use Map/Reduce to solve the problem when the list does not fit in memory?

748

Can you define rdd lineage?

278

What is PageRank in Spark?

272

What is Apache Spark Machine learning library?

314

Explain Machine Learning library in Spark?

285

Explain different execution modes available in Pig?

781

What is LazyOutputFormat in MapReduce?

684

What are ‘reduces’?

703

What is a scarce system resource?

653

What is spark and what is its purpose?

266

Why would nosql be better than using a sql database? And how much better is it?

484

Why Hadoop performs replication, although it results in data redundancy?

1280