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https://issues.apache.org/jira/browse/LUCENE-1799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12890416#action_12890416
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Uwe Schindler commented on LUCENE-1799:
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And one thing more, in the non-array case:
buffer.get(target.bytes, target.offset, limit); target's offset should be set
to 0 on all write operations to bytesref (see
UnicodeUtil.UTF16toUTF8WithHash()). Else the grow() before does not resize
correct!
> Unicode compression
> -------------------
>
> Key: LUCENE-1799
> URL: https://issues.apache.org/jira/browse/LUCENE-1799
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Store
> Affects Versions: 2.4.1
> Reporter: DM Smith
> Priority: Minor
> Attachments: LUCENE-1799.patch
>
>
> In lucene-1793, there is the off-topic suggestion to provide compression of
> Unicode data. The motivation was a custom encoding in a Russian analyzer. The
> original supposition was that it provided a more compact index.
> This led to the comment that a different or compressed encoding would be a
> generally useful feature.
> BOCU-1 was suggested as a possibility. This is a patented algorithm by IBM
> with an implementation in ICU. If Lucene provide it's own implementation a
> freely avIlable, royalty-free license would need to be obtained.
> SCSU is another Unicode compression algorithm that could be used.
> An advantage of these methods is that they work on the whole of Unicode. If
> that is not needed an encoding such as iso8859-1 (or whatever covers the
> input) could be used.
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