Big Data Interview Questions
Questions Answers Views Company eMail

Explain task granularity

348

Explain the general mapreduce algorithm

353

What is cassandra database used for?

49

List out some key features of apache cassandra?

56

What do you understand by bloom filter in cassandra?

58

What is the relationship between apache hadoop, hbase, hive and cassandra?

53

What do you understand by data center in cassandra?

46

What do you understand by column family?

66

What do you understand by composite type?

50

What are "coordinator nodes" in cassandra?

47

What do you understand by nosql cap theorem?

40

What do you understand by cql?

48

What do you understand by mem-table in cassandra?

45

What is the difference between cassandra's schema and rdbms schema?

44

What are the befefits of nosql over relational database?

47


Un-Answered Questions { Big Data }

Tell me some major benefits of Hadoop?

224


What is a reliable and unreliable receiver in Spark?

229


What do you understand by sstabl in cassandra?

52


If a data Node is full how it's identified?

643


What is contextual routing in flume?

722






what are the languages supported by apache spark for developing big data applications?

226


What is the use of BloomMapFile?

331


What is the difference between logical and physical plans?

321


What are the features of apache spark?

193


What are the window functions provided by apache tajo?

5


List out the ways of creating RDD in Apache Spark?

192


List Hadoop’s three configuration files?

221


What is Spark Streaming?

190


What do you understand by mem-table in cassandra?

45


What is spooldir flume?

63