# Berkeley DB Java Edition
Release Notes

4.0.103, April 28, 2010

## Overview

Berkeley DB Java Edition (JE) is a 100% pure Java embedded, transactional data store. It supplies a key/object data model with indexing, full transactional ACID support, POJO APIs and High Availability/Replication.

This is release 4.0.103 of Berkeley DB Java Edition. A number of bug fixes and new functionality has been added since version JE 4.0.92; the complete list of changes can also be found in the change log page.

- Enhancements have been added for JE High Availability, which supports the use of JE with replication.

  A variety of bug fixes were made.

  New information has been added to the replication state, to help ascertain the role of lagging nodes in a running group.

  BDB High Availability White paper, High Availability Guide and com.sleepycat.je.rep javadoc are a good introduction to the product and API specifications.

- New cache policies and statistics were added to improve the ability to best fine tune JE cache usage.
- A number of general bug fixes, performance improvements, and documentation improvements were made.

See the change log for the complete and detailed description of all changes. Copyright (c) 1996-2010 Oracle. All rights reserved.