Quoting Jon Roberts <[EMAIL PROTECTED]>:
Jimi wrote:
We use Open Ldap with bdb, and after a import of about 15000 test users,
searching for users doesn't seem possible anymore. About 2 hours ago I
started a simple search for uid=a* (as a filter) that still hasn't
finished.
I didn't see this mentioned in any responses. From man slap.conf:
index_substr_if_minlen <integer>
Specify the minimum length for subinitial and subfinal
indices. An attribute value must have at least this many characters
in order to be processed by the indexing functions. The default is 2.
As I understand, if your indices are not configure to use a
granularity that would find something like "(uid=a*)" when they are
created, the search falls back to a brute force algorithm which
results in a *long* search and tons of logging.
Ok, thanks for that tip. Will look into it.
However, as I wrote before, the problem in our case was not the actual search,
but the things the CMS did with the result (fetching user data from database,
one select statement per user etc). But definitely worth looking into.
Regards
/Jimi
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