Gaëtan Slongo wrote: what book? Are you kidding? Who can write that type of crap? There used to be a giant write lock in back-ldbm ages ago, which locked up the whole database, not just descendants, while writing. Nothing like that occurs since back-bdb (and back-hdb), which means since OpenLDAP 2.0 (back to 2000). p. Ing. Pierangelo Masarati OpenLDAP Core Team SysNet s.r.l. via Dossi, 8 - 27100 Pavia - ITALIA http://www.sys-net.it ----------------------------------- Office: +39 02 23998309 Mobile: +39 333 4963172 Fax: +39 0382 476497 Email: ando(a)sys-net.it -----------------------------------