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https://issues.apache.org/jira/browse/LUCENE-882?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Naber updated LUCENE-882:
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Attachment: lucene-spellchecker.diff
don't store but only index ngrams
> Spellchecker doesn't need to store ngrams
> -----------------------------------------
>
> Key: LUCENE-882
> URL: https://issues.apache.org/jira/browse/LUCENE-882
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Other
> Affects Versions: 2.1
> Reporter: Daniel Naber
> Attachments: lucene-spellchecker.diff
>
>
> The spellchecker in contrib stores the ngrams although this doesn't seem to
> be necessary. This patch changes that, I will commit it unless someone
> objects. This improves indexing speed and index size. Some numbers on a small
> test I did:
> Input of the original index: 2200 text files, index size 5.3 MB, indexing
> took 17 seconds
> Spell index before patch: about 60.000 documents, index size 13 MB, indexing
> took 62 seconds
> Spell index after patch: about 60.000 documents, index size 6.3 MB, indexing
> took 52 seconds
> BTW, the test case fails even before this patch. I'll probaby submit another
> issue about how to fix that.
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