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https://issues.apache.org/jira/browse/LUCENE-5171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13742513#comment-13742513
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Michael McCandless commented on LUCENE-5171:
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If you use FuzzySuggester with maxEdits=0, does it work?
Or, maybe we should simply merge these two suggesters into AnalyzingSuggester
and default maxEdits to 0?
> AnalyzingSuggester and FuzzySuggester should be able to share same FST
> ----------------------------------------------------------------------
>
> Key: LUCENE-5171
> URL: https://issues.apache.org/jira/browse/LUCENE-5171
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/other
> Affects Versions: 4.4, 4.3.1
> Reporter: Anna Björk Nikulásdóttir
> Priority: Minor
>
> In my code I use both suggesters for the same FST. I use
> AnalyzerSuggester#store() to create the FST and later on
> AnalyzingSuggester#load() and FuzzySuggester#load() to use it.
> This approach works very well but it unnecessarily creates 2 fst instances
> resulting in 2x memory consumption.
> It seems that for the time being both suggesters use the same FST format.
> The following trivial method in AnalyzingSuggester provides the possibility
> to share the same FST among different instances of AnalyzingSuggester. It has
> been tested in the above scenario:
> public boolean shareFstFrom(AnalyzingSuggester instance)
> {
> if (instance.fst == null) {
> return false;
> }
> this.fst = instance.fst;
> this.maxAnalyzedPathsForOneInput = instance.maxAnalyzedPathsForOneInput;
> this.hasPayloads = instance.hasPayloads;
> return true;
> }
> One could use it like this:
> analyzingSugg = new AnalyzingSuggester(...);
> fuzzySugg = new FuzzySuggester(...);
> analyzingSugg.load(someInputStream);
> fuzzySugg = analyzingSugg.shareFstFrom(analyzingSugg);
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