disk.so

berkeley db 4.6.21的源码。berkeley db是一个简单的数据库管理系统

m4_comment([$Id: disk.so,v 1.8 2007/06/14 18:31:18 bostic Exp $])

m4_ref_title(Upgrading m4_db Applications,
    Release 4.1: upgrade requirements,,
    upgrade.4.1/app_dispatch, upgrade.4.2/intro)

m4_p([dnl
The log file format changed in the m4_db 4.1 release.])

m4_p([dnl
All of the access method database formats changed in the m4_db 4.1
release (Btree/Recno: version 8 to version 9, Hash: version 7 to version
8, and Queue: version 3 to version 4).  m4_bold([The format changes are
entirely backward-compatible, and no database upgrades are needed.])
Note that databases created using the 4.1 release may not be usable with
earlier m4_db releases.])

m4_p([dnl
For further information on upgrading m4_db installations, see
m4_link(M4RELDIR/ref/upgrade/process, Upgrading m4_db installations).])

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