Re: Need help to tune 389 DS

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On 02/23/2017 10:48 AM, Gordon Messmer wrote:
> On 02/23/2017 12:11 AM, William Brown wrote:
>> As Noriko pointed you, you are missing nsIndexType: pres on this
>
>
> I hate to repeat myself, but is that a thing that changed *recently*?  
No, it has always only been indexed for "eq".

As Rich said, having a "pres" index on objectclass is redundant(and
wasteful).  Every entry has objectclass - so if this was indexed for
"presence" it could actually create overhead.  It's faster to read
directly from the DB, or candidate list, than trying to use an index
that contains every entry anyway.

> I just checked another, newer 389-ds server, and I don't see "pres"
> index on objectclass on any servers that I manage.
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