Cloudata: A New Open Source BigTable Inspired Database

Cloudata is a new open source implementation of Google’s BigTable paper. It can be found on Hithub here. It appears to be the project of a Korean developer named YKKwon.

As noted at MyNoSQL, there are only a couple commits and it’s not clear how serious this project is. But it will be of interest to big data, MapReduce and BigTable buffs.

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Cloudata differentiates itself from Hadoop by offering an indexed but still non-relational database, but is probably more comporable to HBase and Hypertable, which are also open source BigTable implementations. The project’s website claims Cloudata can retrieve data within a few milliseconds.

Here’s a list of the current features:

Basic data service

• Single row operation(get, put)
• Multi row operation(like, between, scanner)
• Data uploader(DirectUploader)
• MapReduce(TabletInputFormat)
• Simple cloudata query and supports JDBC driver

Table Management

• split
• distribution
• compaction

Utility

• Web based Monitor
• CLI Shell

Failover

• Master failover
• TabletServer failover

Change log Server

• Reliable fast appendable change log server

Support language

• Java, RESTful API, Thrift

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