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Big Data Interview Questions
Questions Answers Views Company eMail

How is dag created in spark?

121

What does spark do during speculative execution?

127

What is heap memory in spark?

109

What is external shuffle service in spark?

135

What is spark client?

119

Which are the various data sources available in spark sql?

133

Can you run spark without hadoop?

133

What is tungsten engine in spark?

139

What is stage and task in spark?

97

What is spark execution engine?

130

Is spark sql a database?

126

Is spark distributed computing?

141

What is row rdd in spark?

127

How is rdd fault?

132

How does reducebykey work in spark?

119


Un-Answered Questions { Big Data }

What are Guarantees provided by Kafka?

215


Why is spark used?

110


What is ColumnFamily?

35


What jobtracker is in hadoop? What are the activities followed by hadoop?

147


Explain the various Transformation on Apache Spark RDD like distinct(), union(), intersection(), and subtract()?

134






UPPER or UCASE function in Hive with example?

313


What is javardd?

127


What is the purpose of retention period in Kafka cluster?

313


How is the processing of streaming data achieved in Apache Spark? Explain.

132


Why Avro?

21


What is Hive Data Definition language?

438


What is Data Log in Kafka?

278


What are the functionalities of jobtracer?

137


Can you define big data analytics?

73


What are the main features of hdfssite.xml?

7