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Posted to dev@lucene.apache.org by "Michael McCandless (Updated) (JIRA)" <ji...@apache.org> on 2012/03/20 15:39:39 UTC
[jira] [Updated] (LUCENE-3830) MappingCharFilter could be improved
by switching to an FST.
[ https://issues.apache.org/jira/browse/LUCENE-3830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael McCandless updated LUCENE-3830:
---------------------------------------
Labels: gsoc2012 lucene-gsoc-12 (was: )
> MappingCharFilter could be improved by switching to an FST.
> -----------------------------------------------------------
>
> Key: LUCENE-3830
> URL: https://issues.apache.org/jira/browse/LUCENE-3830
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Dawid Weiss
> Assignee: Dawid Weiss
> Priority: Minor
> Labels: gsoc2012, lucene-gsoc-12
> Fix For: 4.0
>
>
> MappingCharFilter stores an overly complex tree-like structure for matching input patterns. The input is a union of fixed strings mapped to a set of fixed strings; an fst matcher would be ideal here and provide both memory and speed improvement I bet.
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