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https://issues.apache.org/jira/browse/LUCENE-1183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cédrik LIME updated LUCENE-1183:
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Attachment: TRStringDistance.java
TRStringDistance.patch
new TRStringDistance implementation, as patch and as complete source file.
> TRStringDistance uses way too much memory (with patch)
> ------------------------------------------------------
>
> Key: LUCENE-1183
> URL: https://issues.apache.org/jira/browse/LUCENE-1183
> Project: Lucene - Java
> Issue Type: Improvement
> Components: contrib/*
> Affects Versions: 1.9, 2.0.0, 2.1, 2.2, 2.3
> Reporter: Cédrik LIME
> Attachments: TRStringDistance.java, TRStringDistance.patch
>
> Original Estimate: 0.17h
> Remaining Estimate: 0.17h
>
> The implementation of TRStringDistance is based on version 2.1 of
> org.apache.commons.lang.StringUtils#getLevenshteinDistance(String, String),
> which uses an un-optimized implementation of the Levenshtein Distance
> algorithm (it uses way too much memory). Please see Bug 38911
> (http://issues.apache.org/bugzilla/show_bug.cgi?id=38911) for more
> information.
> The commons-lang implementation has been heavily optimized as of version 2.2
> (3x speed-up). I have reported the new implementation to TRStringDistance.
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