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https://issues.apache.org/jira/browse/LUCENE-2548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13034393#comment-13034393
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Robert Muir commented on LUCENE-2548:
-------------------------------------
after seeing LUCENE-3105, i think we should take steps to remove this interning.
it looks like this can probably be done safely, according to
http://www.cs.umd.edu/~jfoster/papers/issre04.pdf , findbugs, PMD, and JLint
all support looking for string equality with == or !=, so we should be able to
review all occurrences.
> Remove all interning of field names from flex API
> -------------------------------------------------
>
> Key: LUCENE-2548
> URL: https://issues.apache.org/jira/browse/LUCENE-2548
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Uwe Schindler
> Fix For: 4.0
>
>
> In previous versions of Lucene, interning of fields was important to minimize
> string comparison cost when iterating TermEnums, to detect changes in field
> name. As we separated field names from terms in flex, no query compares field
> names anymore, so the whole performance problematic interning can be removed.
> I will start with doing this, but we need to carefully review some places
> e.g. in preflex codec.
> Maybe before this issue we should remove the Term class completely. :-)
> Robert?
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