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https://issues.apache.org/jira/browse/DIRSHARED-56?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12844887#action_12844887
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Emmanuel Lecharny commented on DIRSHARED-56:
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pre-computing the hashcode speedup the server by 25%.
> Precompute HashCode for schemaObjects
> -------------------------------------
>
> Key: DIRSHARED-56
> URL: https://issues.apache.org/jira/browse/DIRSHARED-56
> Project: Directory Shared
> Issue Type: Improvement
> Affects Versions: 0.9.17
> Reporter: Emmanuel Lecharny
> Priority: Critical
> Fix For: 0.9.18
>
>
> We must pre-compute the HashCode value for SchemaObject, as those values are
> used every time we manipulate a hashMap containing an AT, an OC (entries, for
> instance), and a call to AT/OC.hashCode() is done each time.
> This cost a hell lot of CPU time for nothing, as those elements are static.
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