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From "Robert Muir (JIRA)" <>
Subject [jira] [Resolved] (LUCENE-4279) Regenerate Snowball code so its not so heavy
Date Wed, 01 Aug 2012 19:00:12 GMT


Robert Muir resolved LUCENE-4279.

    Resolution: Fixed
> Regenerate Snowball code so its not so heavy
> --------------------------------------------
>                 Key: LUCENE-4279
>                 URL:
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Robert Muir
>             Fix For: 4.0, 5.0
>         Attachments: LUCENE-4279.patch
> Spinoff from LUCENE-3841 (and several threads on the list)
> Currently each SnowballStemmer is pretty heavy since each instance also contains a bunch
of Among objects (part of the stemming rules).
> This normally shouldnt be a problem, except it seems challenging
> for tomcat users to tune their threadpools (basically they are creating
> lots of tokenstreams, so lots of SnowballStemmers)
> Newer snowball just makes these static, and its easy enough to just
> regenerate so these aren't so heavy, it doesnt fix the real problem but it also doesn't

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