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Re: openldap getting very slow

On 7 Apr 2009, at 10:36, Thomas van Oudenhove wrote:


Quanah Gibson-Mount a écrit :
Since I don't know the particulars of your database, I don't know
whether or not your database configuration is sufficient for your
system. I'd suggest reading up on proper DB tuning, and the parameters for tuning slapd (see the slapd-bdb(5) man page). In particular on the
BDB side:

for sure; I confess I do not know BDB as well as I should :( I started
with some BDB "man pages", but it's still a long way...

This may help? http://www.openldap.org/faq/data/cache/1075.html

Aside from LDAP - what do "vmstat 1" and "iostat -x 1" say when this is happening? Is it possible the box is swapping? Is it disk-seek constrained? CPU constrained? The answers to those questions will help point in the right direction.