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Re: bdb binary log files

I'm using openldap 2.4.11 on linux x86 system, with one database bdb backend, with the following options in slapd.conf file:

database        bdb
cachesize       1000
checkpoint      0 0

You should set non-zero checkpoints, or there is no guarantee that you will have any data after unexpected shutdown.

Is it possible to disable bdb log.00000[0..n] files completely?

Yes, but that is a bad idea.

I can slapcat the database, then remove these, slapadd and reindex database, and there's no logs, but is it possible to avoid creating them? Or set up some limit of numer/size of them?

In your DB_CONFIG add


This will cause transaction logs to be removed after they are no longer necessary for db recovery. (typically 2-6 10MByte logs will exist)

Additionally - when I have a "DB_CONFIG" file in /etc/ldap, and
a DB_CONFIG file in database storage dir, e.g. /var/lib/ldap, which
one is actually used? My guess'd be /var/lib/ldap/DB_CONFIG, but
I'd like to know for sure :-)

DB_CONFIG only configures BDB; it must be in the database environment directory.

You can use symbolic links to point to it from other locations, however.

Matthew Backes
Symas Corporation