Berkeley DB Java Edition (JE)是一个完全用JAVA 写的，它适合于管理海量的，简单的

数据。

l 能够高效率的处理 1 到 1 百万条记录，制约 JE 数据库的往往是硬件系统,而不是

JE 本身。

多线程支持，JE 使用超时的方式来处理线程间的死琐问题。

Database 都采用简单的 key/value对应的形式。

事务支持。

允许创建二级库。这样我们就可以方便的使用一级 key,二级 key 来访问我们的数

据。

支持RAM缓冲，这样就能减少频繁的 IO操作。

支持日志。

数据备份和恢复。

游标支持。-Berkeley DB Java Edition (JE) is a completely written in JAVA, it is suitable for managing the vast amounts of data. l capable of efficient processing 1-1 million records, JE database is often constrained by the hardware system, rather than the JE in itself. Multi-threading support, JE timeout the way to deal with the dead petty issues between threads. Database using simple key/value corresponding form. Transaction support. Allows you to create two libraries. So that we can be convenient to use a key, secondary key to access the data. Support RAM buffer, which can reduce the frequent IO operations. Support logs. Data backup and recovery. Cursor support.