The problem was really related to indexes.
I indexed the attribute gidnumber and the CPU utilization decreased a lot.
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We were seeing similar CPU utilization recently. The problem turned out to
be a lack of indexes. The web app for looking up people had changed
recently and was doing substring matches on two attributes that were not
indexed at all, much less for substrings. Once I created the indexes, CPU
utilization dropped from 99% to under 2%. You might check your access logs
to see what sorts of searches are being done and confirm that you have
indexes in place to speed things up.
- --On Friday, January 26, 2007 10:18:25 AM -0200 Renato Ribeiro da Silva
> I'm having questions about CPU utilization of Directory Server. The
> process ns-slapd take 99.9% of CPU almost all the time. Is there any way
> to know why this is happening? Any performance counter ( DS Console ) can
> show me the answer ? Is is possible to know the apps that are using the
> Directory in this moment ?
> Best Regards,
> Fedora-directory-users mailing list
Paul D. Engle | Rice University
Sr. Systems Administrator | Information Technology - MS119
(713) 348-4702 | P.O. Box 1892
pengle(a)rice.edu | Houston, TX 77251-1892
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