The purpose of using HBase in Hadoop instead of Hive

Question

In my project we use Hadoop 2, Spark, Scala. Scalais a programming language and is Sparkused here for analysis. we use Hiveand HBasetwo. I can access all the details like file etc. HDFSusing Hive. But my confusion is

• When I can complete all tasks with Hive, then why do I HBaseneed to store data. Is this not overhead?
• What are the functionality Hiveand HBase?
• If we used only Hive, then what is the problem?

Can someone please let me know.

Answer 1

• When I can complete all tasks with Hive, why HBASEis it required to store data. Isn't that overhead?
• What are the features HiveandHBASE

HBASEis a No Sql database that stores data in a pair of key values. Hivehas integration with HBASE. Hbase HIve Integration

: - Hive HBASE. HBASE. HBASE , . StumbleUpon HBASE -. Hive , . Hive over HBASE .

3. Hive, ?

Hive . , .

• ( Hive Hadoop)

Answer 2

Hive, HBase . ?

. HBase , , Hive MapReduce/Spark/Tez.

Hive HBase?

:

SQL- , MapReduce/Spark/Tez. Hadoop. Hive MapReduce

HBase:

/, HDFS/S3 ( AWS). .

Hive, ?

, HBase - Hive.