Apache HBase Interview Questions
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Compare rdbms with hbase?

13

What is regionserver?

14

Define ttl in hbase?

9




In hbase what is column families?

10

What is decorating filters?

31

What is use of tools command?

9

Explain about hlog and wal in hbase.

9

Compare hbase & cassandra?

9




Define standalone mode in hbase?

9

Explain how does hbase actually delete a row?

12

What is the reason of using hbase?

15

Which command is used to run hbase shell?

11

Define the difference between hive and hbase?

11

Which one would you recommend for hbase table design approach – tall-narrow or flat wide?

9

Why hbase is a schema-less database?

11


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Un-Answered Questions { Apache HBase }

What are the main key structures of hbase?

11


Explain what is the row key?

11


Which one would you recommend for hbase table design approach – tall-narrow or flat wide?

9


What happens when you issue a delete command in hbase?

11


Define compaction in HBase?

11






How will you backup an HBase cluster?

15


How does bloom filter help in searching rows?

9


How does hbase actually delete a row?

11


Define standalone mode in hbase?

9


What is the maximum recommended cell size?

9


What is the role of zookeeper in hbase?

19


What are the different compaction types in hbase?

8


Explian the Limitations of HBase?

13


What services run after running hbase job?

9


Is it possible to iterate through the rows of HBase table in reverse order?

13