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https://issues.apache.org/jira/browse/LUCENE-4542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13492892#comment-13492892
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Chris Male commented on LUCENE-4542:
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Rafał,
Thanks for creating the patches, they are looking great. Couple of very small
improvements:
- Can we mark recursionCap as final?
- Can we improve the javadoc for the recursionCap parameter so it's clear what
purpose it serves?
- Maybe also drop in a comment at the field about how the recursion cap of 2 is
the default value based on documentation about Hunspell (as opposed to
something we arbitrarily chose).
> Make RECURSION_CAP in HunspellStemmer configurable
> --------------------------------------------------
>
> Key: LUCENE-4542
> URL: https://issues.apache.org/jira/browse/LUCENE-4542
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/analysis
> Affects Versions: 4.0
> Reporter: Piotr
> Assignee: Chris Male
> Attachments: LUCENE-4542.patch, LUCENE-4542-with-solr.patch
>
>
> Currently there is
> private static final int RECURSION_CAP = 2;
> in the code of the class HunspellStemmer. It makes using hunspell with
> several dictionaries almost unusable, due to bad performance (f.ex. it costs
> 36ms to stem long sentence in latvian for recursion_cap=2 and 5 ms for
> recursion_cap=1). It would be nice to be able to tune this number as needed.
> AFAIK this number (2) was chosen arbitrary.
> (it's a first issue in my life, so please forgive me any mistakes done).
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