Re: objectClass index from slapd.conf is not working

[Quanah Gibson-Mount <quanah@zimbra.com>]

--On Friday, September 10, 2010 8:25 AM +0200 tim stone 
<timstone10001@googlemail.com> wrote:

> > The index is working as designed, it's just filled with a lot of false
> > matches which have to be explicitly tested against the filter to be
> > weeded out. The objectclass index provided 355545 candidates in the
> > range of 228 thru 355772. Some other search term provided
> > (355755-112277) candidates, leaving the range from 112277 thru 355755
> > needing to be tested. If this search takes too long, then you need a
> > larger entry cache.
>
> I tried to increase the cachesize and idlcachesize to 100000 and
> restarted the slapd, but it did not help.

If you are using back-hdb, and using a subtree as the base (which it looked 
like you were doing), the first time through the search will be very slow 
while the cache is filled.  That's a long-standing issue with back-hdb. 
Subsequent searches are substantially faster.

--Quanah


--

Quanah Gibson-Mount
Principal Software Engineer
Zimbra, Inc
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