Berkeley DB

What Other Services Does Berkeley DB Provide?

Berkeley DB also provides core database services to developers. These services include the following:

• Page cache management. The page cache provides fast access to a cache of database pages, handling the I/O associated with the cache to ensure that dirty pages are written back to the filesystem and that new pages are allocated on demand. Applications may use the Berkeley DB shared memory buffer manager to serve their own files and pages.

• Transactions and logging. The Transaction and Logging systems provide recoverability and atomicity for multiple database operations. The Transaction system uses two-phase locking and write-ahead logging protocols to ensure that database operations may be undone ...