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Re: OpenLDAP performance and slapindex



On 12/15/2016 10:01 PM, Quanah Gibson-Mount wrote:
> --On Thursday, December 15, 2016 8:27 PM +0000 "Real, Elizabeth (392K)"
> <Elizabeth.Real@jpl.nasa.gov> wrote:
> 
>> # less /var/log/ldap.log | grep index
>> Dec 15 12:22:01  slapd[27852]: <= bdb_equality_candidates: (uid) not
>> indexed
> 
> As I noted previously, you need to look at the actual search being
> executed.  This is because, as Michael noted, indexing is not
> necessarily always the best solution performance wise.  I'd guess that
> you likely need to add indices on those attributes, but I can't say for
> certain w/o the corresponding log lines that caused those warnings to be
> generated.  And without those log lines, it is not possible to determine
> what /type/ of indexing should be used if it is proven necessary.

Despite my own cautious words recommending careful examination of logs I
would always add these indexes for NSS-LDAP clients with classic RFC
2307 schema:

index uid eq
index memberUid eq

Ciao, Michael.


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