m4_comment([$Id: log.so,v 1.2 2004/09/28 14:13:09 bostic Exp $])m4_ref_title(Upgrading m4_db Applications,    Release 4.3: Logging,,    upgrade.4.3/verb, upgrade.4.3/fileopen)m4_p([dnlIn previous releases, the m4_refT(dbenv_set_flags) flagDB_TXN_NOT_DURABLE specified that transactions for the entire databaseenvironment were not durable.  However, it was not possible to set thisflag in environments that were part of replication groups, and physicallog files were still created.  The 4.3 release adds support for truein-memory logging for both replication and non-replicated sites.])m4_p([dnlExisting applications setting the DB_TXN_NOT_DURABLE flag for databaseenvironments should be upgraded to set the m4_ref(DB_LOG_INMEMORY) flaginstead.])m4_p([dnlIn previous releases, log buffer sizes were restricted to be less thanor equal to the log file size; this restriction is no longer required.])m4_page_footer