clean up change log config flags

Hi,

I'm having problems to avoid that grouper generate logs in database for each operations done (in some case only, because we need logs by the UI only). I want to avoid this generation because we have massive modifications (16000 groups and around 200 000 users to add in some groups), and so it adds useless insert with these modifications. Maybe it's an other problem because with a good configuration of grouper.properties file in grouper 1.5.2 it's doesn't take so much time and now after migration on grouper 1.6.3 it's really slow, the provisioning time is multiplied at least by 2. I have done an analyze and an optimize on the database but nothing changed.

I think the first optimisation would be to avoid log generation in database, I tried this configuration in grouper.properties :

changeLog.enabled = false
groups.updateLastMembershipTime = false
stems.updateLastMembershipTime = false

But this configuration doesn't seem to works because insert are done in grouper_change_log_entry_temp and grouper_audit_entry tables. Do you know why this change nothing ?
Also we are using ldappcng and after tests changeLog.enabled to false doesn't change anything... But we modified a bit ldappcng to avoid that it gets user information in our ldap (the source of user) which was very expansive in time. As purpose, a good improvement could be done by avoiding request on user source which gets all user parameters because a lot of time we don't need user informations, only source identifier and id of the user are sufficient, for example a simple subject and a complete subject which expand simpleSubject would be great.

Thanks for your help (and sorry for my English).

Julien