[Fedora-directory-users] Performance

[Vampire D]

Would you recommend more than 2GB for 100k/hr?

On 7/13/07, Chris St. Pierre <stpierre at nebrwesleyan.edu> wrote:
>
> On Fri, 13 Jul 2007, Vampire D wrote:
>
> > We will not be using LDAP in the traditional sense.
> >
> > Instead of authentication, we will be using it to perform lookups upon
> > incoming mail.
> > 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.
>
> Lots of people (myself included) use LDAP for this, among other
> things.
>
> Fedora DS will not blink at 100K searches per hour.  I have seen
> 50-80K ops/minute on our LDAP servers, which are HP DL145s with 2
> cores and 4 Gb memory, without any performance degradation, and I've
> spoken with people doing far more than that on comparable hardware.
>
> At the rates you're talking about, performance will be a non-issue.
>
> Chris St. Pierre
> Unix Systems Administrator
> Nebraska Wesleyan University
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-- 
"Do the actors on Unsolved Mysteries ever get arrested because they look
just like the criminal they are playing?"

Christopher
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