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Posted to dev@directory.apache.org by "Emmanuel Lecharny (JIRA)" <ji...@apache.org> on 2012/04/26 19:04:17 UTC

[jira] [Created] (DIRSERVER-1716) Add a ParentIdAndRdn cache

Emmanuel Lecharny created DIRSERVER-1716:
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             Summary: Add a ParentIdAndRdn cache
                 Key: DIRSERVER-1716
                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1716
             Project: Directory ApacheDS
          Issue Type: Improvement
    Affects Versions: 2.0.0-M6
            Reporter: Emmanuel Lecharny
            Priority: Critical
             Fix For: 2.0.0-RC1


We absolutely need to impleent a cache for ParentIdAndRdn, as those elements are fetched from teh index and deserialized when we construct a DN for any returned entry. This is an extremely costly operation, so if we can spare the associated time, we would get a major boost in performance.

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[jira] [Commented] (DIRSERVER-1716) Add a ParentIdAndRdn cache

Posted by "Selcuk Aya (JIRA)" <ji...@apache.org>.
    [ https://issues.apache.org/jira/browse/DIRSERVER-1716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13262788#comment-13262788 ] 

Selcuk Aya commented on DIRSERVER-1716:
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For now increasing the cache size for this index in JDBM might help.
                
> Add a ParentIdAndRdn cache
> --------------------------
>
>                 Key: DIRSERVER-1716
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1716
>             Project: Directory ApacheDS
>          Issue Type: Improvement
>    Affects Versions: 2.0.0-M6
>            Reporter: Emmanuel Lecharny
>            Priority: Critical
>             Fix For: 2.0.0-RC1
>
>
> We absolutely need to impleent a cache for ParentIdAndRdn, as those elements are fetched from teh index and deserialized when we construct a DN for any returned entry. This is an extremely costly operation, so if we can spare the associated time, we would get a major boost in performance.

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