Berkeley DB Reference Guide:
Upgrading Berkeley DB Applications
Upgrading Berkeley DB 3.2.X applications to Berkeley DB 3.3
Release 3.3: introduction
Release 3.3: DB_ENV->set_server
Release 3.3: DB->get_type
Release 3.3: DB->get_byteswapped
Release 3.3: DB->set_malloc, DB->set_realloc
Release 3.3: DB_LOCK_CONFLICT
Release 3.3: memp_fget, EIO
Release 3.3: txn_prepare
Release 3.3: --enable-dynamic, --enable-shared
Release 3.3: --disable-bigfile
Release 3.3: upgrade requirements
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