We plan on having tens of thousands of email addresses stored in LDAP, every message that comes in is verified via LDAP that it is allowed, and then it is processed by our system. We plan on caching entries (positive and negative) for 24 hours, so as long as the look up has been done in the last 24 hours and the 1M record cache isn't exhausted it will not perform a look up. This should cut down a lot of the demand. Initially we are looking at about 100k lookups an hour, as we expand the service that can go up by 50-100k at a time.

On 7/13/07, Richard Megginson <rmeggins@redhat.com> wrote:

Vampire D wrote:
> As I understand it, OpenLDAP doesn't perform all that well under a
> high load.
OpenLDAP 2.3 does.
> How does FDS perform in comparison to other LDAP implmentations like
> OpenLDAP and Sun?
It depends. What performance characteristics do you require?
>
> --
> "Do the actors on Unsolved Mysteries ever get arrested because they
> look just like the criminal they are playing?"
>
> Christopher
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