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https://issues.apache.org/jira/browse/LUCENE-2548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-2548:
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Attachment: LUCENE-2548.patch
Initial patch.
Tests are passing, at least a few iterations (I'll beast it). There are still
a few nocommits...
I used PMD and findbugs to find == and != on strings, but surprisingly there
are cases that these tools seem to miss. I also did various greps to try to
find cases... but I'm sure I've missed some!
> 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
> Assignee: Michael McCandless
> Fix For: 4.0
>
> Attachments: LUCENE-2548.patch
>
>
> 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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