使用会话、工作区和根节点引用，现在可以通过不同的抽象层访问仓库的特性。

Using the session, workspace, and root node reference, you can now access the repository features through the different abstraction levels.

youdao

BUFFERS指定共享内存缓冲区的最大数目；LOCKS指定用户会话可以使用的锁的最大数目。

Buffers specifies the maximum number of shared-memory buffers; locks specifies the maximum number of locks available for user sessions.

youdao

将分离对象合并回会话时，JPA将检查该对象，并使用任何更改值来更新数据存储区。

When merging a detached object back into a session, JPA will examine the object and update the data store with any changed values.

youdao