(ITS#4229) DB_CONFIG.example not adapted

[ali.pouya@dgi.finances.gouv.fr]

Full_Name: Ali Pouya
Version: 2.3.12
OS: Linux Redhat Advanced Serveur 4
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (145.242.3.30)


The DB_CONFIG.example file shipped with OpenLdap recommends the flag
DB_TXN_NOT_DURABLE for fast operations (slapadd and slapindex)but BDB 4.3.29
does not recognize this flag. 
I use DB_TXN_WRITE_NOSYNC instead. 
Is this a good solution ?
If yes it could be added in the file.
Best Regards
Ali Pouya