ºÎƼ writes:
openldap: 2.0.17 ; OS: RH9.0
my virtual memory still increasing , no matter what operation i did, such as search/add/modify.
Sounds like a bug (a memory leak). OpenLDAP 2.0.17 is very old. Build a newer one from http://www.openldap.org/software/download/, or get a prebuilt package from e.g. www.symas.com.