Re: query takes a large amount of cpu

[Pierangelo Masarati <ando@sys-net.it>]

Phy Prabab wrote:

> Hello,
>
> I have a question concerning my openLDAP
> implementation.  I have recently moved to ldap for all
> authentication.  On the client side I am using Padl
> nss_ldap 226 and the server is 2.2.17.  I have
> populated the directory with all the account
> information adn setup equiality indices objectclass,
> cn, uid, etc.
>
> Now the issue, if I run the search (no nscd):
> ldapsearch -x -h ldap01 -b "o=test.com"
> "(&(objectclass=posixAccount)(uidNumber=1131)"
>
> in a while 1 loop, I will end up eating 50% of a dual
> 3.0Ghz server (8G RAM).  
>
> The reason for this test, is it mimicks part of our
> regression system that traverses literally thousand
> different uid/gid innumerating the tests.
>
> So my question is, how can I speed up the test (it
> takes for ever compared to NIS) and how can I reduce
> the hit on cpu (if I launch this twice, the machine is
> completely hosed).
>  
Does "etc." in the indices include "uidNumber"?  Are you using nscd? 
Did you set up the DB_CONFIG appropriately? See the related entries in 
the FAQ for directions.

p.




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