Big Data Interview Questions
Questions Answers Views Company eMail

Can you explain data versioning?

118

How will you design or modify schema in hbase programmatically?

113

What happens when you issue a delete command in hbase?

121

What is a bloom filter and how does it help in searching rows?

123

Hbase blocksize is configured on which level?

120

When would you use hbase?

138

What are the filters are available in apache hbase?

100

How do we back up a hbase cluster?

82

What are the data manipulation commands of hbase?

137

Explain data versioning?

124

While reading data from hbase, from which three places data will be reconciled before returning the value?

145

Which command is used to show the current hbase user?

139

How does bloom filter help in searching rows?

143

Explain the data model of hbase.

119

How hbase handles the write failure?

160


Un-Answered Questions { Big Data }

What do masters consist of?

397


Name the Spark Library which allows reliable file sharing at memory speed across different cluster frameworks.

207


What is in memory in spark?

185


What are the different pig data types?

430


Explain Sort Order in brief?

162






What are 3 core dimension of big data?

234


Explain the Reducer's reduce phase?

688


Why is transformation lazy operation in Apache Spark RDD? How is it useful?

199


Explain cassandra.

40


Specify some uses of HBase?

138


Explain how can you change a column data type in Hive?

433


How do I install spark?

192


How data transfer happens from HDFS to Hive?

426


Why is Kafka technology significant to use?

299


On which port does ssh work?

391