>> When I write LDIFs to one node like delete user or remove
>> group, we see spikes in authentication latency metrics (what's normally
>> .2 - .5 second response time goes up to 15-30 seconds) across all nodes
>> in the cluster at the same time.
> I ran mdb_copy -c to compact the LDAP databases. The size went from
> 2.9G to 140M and the latency problem during inserts went away.
> I've noticed the LDAP data.mdb is growing about 25M per day. What
> accounts for the growth of free pages?
Do you have a lot of large groups that you frequently update?
Yes we have several groups with ~40k users from which we frequently
add/remove users based on upstream user provisioning workflows.