MckoiDDB is a database system used by software developers to create applications that store data over a cluster of machines in a network. It is designed to be used in online environments where there are very large sets of both small and big data items that need to be stored, accessed and indexed efficiently in a network cluster.
The focus of the MckoiDDB architecture is to support low latency query performance, provide strong data consistency through snapshot transaction isolation, and provide tools to manage logical data models that may change dramatically in physical network environments that may experience similar dramatic change.
MckoiDDB is written in 100% Java and runs on any operating system that supports Java 1.6.
MckoiDDB is distributed under the GPLv3 open source license.
What is new in this release:
- Fixed Bug in com.mckoi.data.OrderedSetData that would cause a fail on insert with particular strings.
- Made some performance improvements to the Object Database consensus function.
- Completed iterator and view functionality in com.mckoi.odb.ODBList.
- Changed object logging behavior slightly to allow for a particular type of constraint violation detection.
What is new in version 1.2.01:
- Nodes are now addressed in an 128-bit key space.
- Added an end-to-end checksum for nodes.
- Multiple manager servers may now be allocated in a network cluster.
- Database paths may now be assigned to multiple root servers for redundancy.
- Added an object database data model and API (see com.mckoi.odb.ObjectDatabase).
What is new in version 1.1.01:
- Added a function for hinting future objects that are likely to be fetched allowing the engine to reduce the number of block server queries. The purpose of this function is to reduce node query/response latency.
- Fixed a synchronization bug in the SimpleDatabase consensus function.
- Added an additional root server command to inspect the paths available on the network.
- Added a path rollback command to the administration console.
Requirements:
- Java 2 Standard Edition Runtime Environment
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