[Bug nscd/292] nscd performance drop with case insensitive attributes

["drepper at redhat dot com" <sourceware-bugzilla at sources dot redhat dot com>]

------- Additional Comments From drepper at redhat dot com  2004-10-07 11:30 -------
I cannot reproduce anything like this with the current code base.  I have
nothing older around and even if, it's meaningless.

Without nscd running I get these times:

$ time getent group "Domain Users" > /dev/null

real    0m0.122s
user    0m0.032s
sys     0m0.009s
$ time getent group "Domain users" > /dev/null

real    0m0.123s
user    0m0.036s
sys     0m0.017s


When I start nscd (the persistent cache removed) I get for the first and second
run these numbers:

$ time getent group "Domain Users" > /dev/null

real    0m0.132s
user    0m0.001s
sys     0m0.003s
$ time getent group "Domain Users" > /dev/null

real    0m0.003s
user    0m0.001s
sys     0m0.002s
$ time getent group "Domain users" > /dev/null

real    0m0.132s
user    0m0.000s
sys     0m0.003s
$ time getent group "Domain users" > /dev/null

real    0m0.003s
user    0m0.001s
sys     0m0.003s


The first query of "Domain users" of course had to get the data from the server
again since the "Domain Users" lookup does not have this key and nscd does not
know (and must not know) about the case insensitivity of LDAP.

I.e., if you really have problems, use a system using the current code base. 
E.g., FC3t2.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|                            |WORKSFORME


http://sources.redhat.com/bugzilla/show_bug.cgi?id=292

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