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https://issues.apache.org/jira/browse/TIKA-1549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris A. Mattmann resolved TIKA-1549.
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Resolution: Fixed
Patch applied to close #29 on Github in r1659759. Thanks [~eto] appreciate it!
> Two times speed increase of language profile distance calculation
> -----------------------------------------------------------------
>
> Key: TIKA-1549
> URL: https://issues.apache.org/jira/browse/TIKA-1549
> Project: Tika
> Issue Type: Bug
> Components: languageidentifier
> Reporter: Toke Eskildsen
> Assignee: Chris A. Mattmann
> Fix For: 1.8
>
>
> The distance calculation for language profiles creates a Set of Strings with
> each call and performs hashtable lookups for all those Strings. This patch
> creates and caches compact structures that are iterated sequentially. The
> result is a factor 2 speed up (see the performance test in
> LanguageIdentifierTest).
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