On Sun, Mar 7, 2010 at 3:22 PM, Stefan Seelmann <[email protected]> wrote: > Ok, I think I got the issue. When doing a "normal" search with a filter like > (uid=user.9999) the referral interceptor expands that filter to > (|((uid=user.9999))(objectClass=referral)). > > The objectClass index however is a system index and not used by the > optimizer, see [1] and [2]. > > It should be easy to fix that, I'll try to fix it, stand by...
Darn I thought we fixed this issue of the optimizer not using the objectClass by making it a system index. I guess I'm outdated and confused on this topic. Good job though in catching this issue and thanks for the fix. > > [1] http://www.mail-archive.com/[email protected]/msg27163.html > [2] https://issues.apache.org/jira/browse/DIRSERVER-1465 > >> One guess: it may have something to do with referrals. If I add a "-M" to >> the ldapsearch command (which sends the ManageDsaIT control) the search is >> faster. I'll try to debug into the server. >> >> >> Alex Karasulu wrote: >>> >>> Wow this is horrendous - what's the cause of this any idea? We were at >>> 5000K searches per second before. >>> >>> On Sun, Mar 7, 2010 at 1:54 PM, Stefan Seelmann <[email protected]> >>> wrote: >>>> >>>> Hi dev, >>>> >>>> for the ApacheDS 1.5.6 release I created the installers and tested the >>>> zip >>>> archive. >>>> >>>> I injected an ou and 10000 inetOrgPerson entries [1]. When I run the >>>> following ldapsearch command it takes approx. one second to get a >>>> result: >>>> >>>> ldapsearch -h localhost -p 10389 -D "uid=admin,ou=system" -w secret -b >>>> "dc=example,dc=com" -s sub "(uid=user.9999)" >>>> >>>> I also used the searchrate tool from slamd and I only get 1 search per >>>> second: >>>> >>>> ./searchrate.sh -h localhost -p 10389 -D "uid=admin,ou=system" -w secret >>>> -b >>>> "dc=example,dc=com" -s sub -f "(uid=user.9999)" -t 1 >>>> >>>> >>>> Then I tried to tune the server: I set -Xmx1024m to give it more Ram. >>>> And I >>>> increased the cache size in server.xml [2]. However with searchrate I >>>> still >>>> don't get more then 3 searches per second. >>>> >>>> >>>> I hope that I just forgot some additional tuning parameter. >>>> >>>> >>>> Kind Regards, >>>> Stefan >>>> >>>> >>>> [1] http://people.apache.org/~seelmann/com-example-10000.ldif.gz (1MB!) >>>> [2] http://pastebin.com/xMjR9zrK >>>> >>> >>> >>> >> > > -- Alex Karasulu My Blog :: http://www.jroller.com/akarasulu/ Apache Directory Server :: http://directory.apache.org Apache MINA :: http://mina.apache.org
