Avoid a lookup in CollectiveAttributeService
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Key: DIRSERVER-1051
URL: https://issues.apache.org/jira/browse/DIRSERVER-1051
Project: Directory ApacheDS
Issue Type: Improvement
Affects Versions: 1.5.1
Reporter: Emmanuel Lecharny
Fix For: 1.5.2
To process collectiveAttributes, the service does a lookup searcing for the
"collectiveAttributeSubentries" operational attribute. This lookup cost around
17% of the global search time, and can be avoided, as we can add this attribute
to the list of returned attribute in the original lookup, instead of doing a
specific lookup for this attribute.
We have two cases :
- the "collectiveAttributeSubentries" does not exist : net gain will be 17%
- the "collectiveAttributeSubentries" exists : we will have to remove it from
the entry and process the collective attributes to add them to the entry. The
gain will still be enormous (less than 17%, but very close)
In the second case, we will just have to be sure to return this attrinute to
the user who has specifically requested it into the original search request.
The gain will be major.
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