November 2014
Beginner to intermediate
326 pages
7h 4m
English
Content preview from Learning Hbase
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Comparing architectural differences between RDBMs and HBase
Let's list the major differences between relational databases and HBase:
|
Relational databases |
HBase |
|---|---|
|
Uses tables as databases |
Uses regions as databases |
|
File systems supported are FAT, NTFS, and EXT |
File system supported is HDFS |
|
The technique used to store logs is commit logs |
The technique used to store logs is Write-Ahead Logs (WAL) |
|
The reference system used is coordinate system |
The reference system used is ZooKeeper |
|
Uses the primary key |
Uses the row key |
|
Partitioning is supported |
Sharding is supported |
|
Use of rows, columns, and cells |
Use of rows, column families, columns, and cells |
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