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https://issues.apache.org/jira/browse/LUCENE-4120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand updated LUCENE-4120:
---------------------------------
Attachment: LUCENE-4120.patch
New patch:
- fixed Kuromoji {{TokenInfoDictionaryBuilder}} (but you will need to run ant
build-dict to make tests pass),
- moved {{save}} to {{Mutable}}, {{FST}} now cannot be saved if it has been
loaded from disk,
- renamed {{getWriter}} to {{getWriterByFormat}},
- fixed docs.
FST docs say that there is no need to have backward compatibility because FSTs
are experimental. Is it still accurate? The fact that FSTs are used in
{{MemoryPostingsFormat}} and Kuromoji analyzers makes me feel that this is not
true anymore (or at least won't be true anymore when 4.0 is released).
> FST should use packed integer arrays
> ------------------------------------
>
> Key: LUCENE-4120
> URL: https://issues.apache.org/jira/browse/LUCENE-4120
> Project: Lucene - Java
> Issue Type: Improvement
> Components: core/FSTs
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Fix For: 4.0
>
> Attachments: LUCENE-4120.patch, LUCENE-4120.patch
>
>
> There are some places where an int[] could be advantageously replaced with a
> packed integer array.
> I am thinking (at least) of:
> * FST.nodeAddress (GrowableWriter)
> * FST.inCounts (GrowableWriter)
> * FST.nodeRefToAddress (read-only Reader)
> The serialization/deserialization methods should be modified too in order to
> take advantage of PackedInts.get{Reader,Writer}.
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