A very basic DB_CONFIG example

servers/slapd/DB_CONFIG

+# $OpenLDAP$
+# Example DB_CONFIG file for use with slapd(8) BDB/HDB databases.
+#
+# See Sleepycat Berkeley DB documentation
+#   <http://www.sleepycat.com/docs/ref/env/db_config.html>
+# for detail description of DB_CONFIG syntax and semantics.
+#
+# Hints can also be found in the OpenLDAP Software FAQ
+#	<http://www.openldap.org/faq/index.cgi?file=2>
+
+# one 0.25 GB cache
+set_cachesize 0 268435456 1
+
+# Data Directory
+#set_data_dir db
+
+# Transaction Log settings
+set_lg_regionmax 262144
+set_lg_bsize 2097152
+#set_lg_dir logs
+
+# When using (and only when using) slapadd(8) or slapindex(8),
+# the following flags may be useful:
+#set_flags DB_TXN_NOSYNC
+#set_flags DB_TXN_NOT_DURABLE

servers/slapd/Makefile.in

@@ -350,7 +350,8 @@ veryclean-local-srv: FORCE
 		fi; \
 	done
 
-install-local-srv: install-slapd install-conf install-schema install-tools
+install-local-srv: install-slapd install-tools \
+	install-conf install-db-config install-schema install-tools
 
 install-slapd: FORCE
 	-$(MKDIR) $(DESTDIR)$(libexecdir)
@@ -406,7 +407,6 @@ install-schema: FORCE
 
 install-conf: FORCE
 	@-$(MKDIR) $(DESTDIR)$(sysconfdir)
-	@-$(INSTALL) -m 700 -d $(DESTDIR)$(localstatedir)/openldap-data
 	$(INSTALL) $(INSTALLFLAGS) -m 600 slapd.conf.tmp $(DESTDIR)$(sysconfdir)/slapd.conf.default
 	if test ! -f $(DESTDIR)$(sysconfdir)/slapd.conf; then \
 		echo "installing slapd.conf in $(sysconfdir)"; \
@@ -416,6 +416,14 @@ install-conf: FORCE
 		echo "PRESERVING EXISTING CONFIGURATION FILE $(DESTDIR)$(sysconfdir)/slapd.conf" ; \
 	fi
 
+install-db-config: FORCE
+	@-$(MKDIR) $(DESTDIR)$(localstatedir) $(DESTDIR)$(sysconfdir)
+	@-$(INSTALL) -m 700 -d $(DESTDIR)$(localstatedir)/openldap-data
+	$(INSTALL) $(INSTALLFLAGS) -m 600 DB_CONFIG \
+		$(DESTDIR)$(localstatedir)/openldap-data/DB_CONFIG.example
+	$(INSTALL) $(INSTALLFLAGS) -m 600 DB_CONFIG \
+		$(DESTDIR)$(sysconfdir)/DB_CONFIG.example
+
 install-tools: FORCE
 	-$(MKDIR) $(DESTDIR)$(sbindir)
 	cd $(DESTDIR)$(sbindir); \

servers/slapd/slapd.conf

@@ -49,7 +49,7 @@ argsfile	%LOCALSTATEDIR%/run/slapd.args
 # rootdn can always read and write EVERYTHING!
 
 #######################################################################
-# ldbm database definitions
+# BDB database definitions
 #######################################################################
 
 database	bdb