Big Data Interview Questions
Questions Answers Views Company eMail

Explain deletion in hbase? Mention what are the three types of tombstone markers in hbase?

15

What are the main key structures of hbase?

21

What is the use of hbase hmaster?

17

Which technique can you use in hbase to access hfile directly without the help of hbase?

19

Explain what is wal and hlog in hbase?

19

How many operational commands in hbase?

13

why use hcolumndescriptor class?

14

What is the row key?

13

Tell me about the types of hbase operations?

19

How does hbase actually delete a row?

17

Name the filter which accepts the page size as the parameter in hbase?

14

Explain why to use hbase?

15

Mention the difference between hbase and relational database?

13

Mention what are the three types of tombstone markers in hbase?

17

Mention what are the key components of hbase?

16







Un-Answered Questions { Big Data }

Explain about the execution plans of a Pig Script? Or Differentiate between the logical and physical plan of an Apache Pig script?

29


Is apache flume real time processing framework?

5


What is the function of Cluster.Builder class in Cassandra?

24


How much space will the split occupy in Mapreduce?

52


What are common spark ecosystems?

17






What is the function of consistency cqlsh command in Cassandra?

7


What is different table structure available in the hive?

75


What are broadcast variables in spark?

11


What are consumers or users?

73


What is the most widely used API Write Data to Cassandra ?

12


Hbase blocksize is configured on which level?

16


How will you connect Apache Spark with Apache Mesos?

15


Mention what is the maximum size of the message does kafka server can receive?

35


Is it possible to rename the output file?

157


How many ways we can create rdd?

13