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From "Robert Muir (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-3233) HuperDuperSynonymsFilterâ„¢
Date Wed, 06 Jul 2011 06:50:16 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-3233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Muir updated LUCENE-3233:
--------------------------------

    Attachment: LUCENE-3233.patch

fixed some bugs, added some tests, but there is a problem, I started to add a little benchmark
and I hit this on my largish synonyms file:
{noformat}
java.lang.IllegalStateException: max arc size is too large (445)
{noformat}

Just run the TestFSTSynonymFilterFactory and you will see it, i enabled some prints and it
doesn't appear like anything totally stupid is going on... giving up for the night :)

> HuperDuperSynonymsFilterâ„¢
> -------------------------
>
>                 Key: LUCENE-3233
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3233
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Robert Muir
>         Attachments: LUCENE-3223.patch, LUCENE-3233.patch, LUCENE-3233.patch, LUCENE-3233.patch,
LUCENE-3233.patch, LUCENE-3233.patch, LUCENE-3233.patch, LUCENE-3233.patch
>
>
> The current synonymsfilter uses a lot of ram and cpu, especially at build time.
> I think yesterday I heard about "huge synonyms files" three times.
> So, I think we should use an FST-based structure, sharing the inputs and outputs.
> And we should be more efficient with the tokenStream api, e.g. using save/restoreState
instead of cloneAttributes()

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