admin.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: admin.so,v 10.17 2001/03/02 21:01:21 bostic Exp $])

m4_ref_title(m4_tam Applications,
    Environment infrastructure,
    administering @transaction protected applications,
    transapp/nested, transapp/deadlock)

m4_p([dnl
When building transactional applications, it is usually necessary to
build an administrative infrastructure around the database environment.
There are five components to this infrastructure, and each is
supported by the m4_db package in two different ways: a standalone
utility and one or more library interfaces.])

m4_bulletbegin
m4_bullet([Deadlock detection: m4_ref(db_deadlock),
m4_ref(lock_detect), m4_ref(dbenv_set_lk_detect)])
m4_bullet([Checkpoints: m4_ref(db_checkpoint), m4_ref(txn_checkpoint)])
m4_bullet([Database and log file archival:
m4_ref(db_archive), m4_ref(log_archive)])
m4_bullet([Log file removal: m4_ref(db_archive), m4_ref(log_archive)])
m4_bullet([Recovery procedures: m4_ref(db_recover), m4_ref(dbenv_open)])
m4_bulletend

m4_p([dnl
When writing multithreaded server applications and/or applications
intended for download from the Web, it is usually simpler to create
local threads that are responsible for administration of the database
environment as scheduling is often simpler in a single-process model,
and only a single binary need be installed and run.  However, the
supplied utilities can be generally useful tools even when the
application is responsible for doing its own administration because
applications rarely offer external interfaces to database
administration.  The utilities are required when programming to a m4_db
scripting interface because the scripting APIs do not always offer
interfaces to the administrative functionality.])

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