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From "Robert Muir (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-3533) Nuke SpanFilters and CachingSpanFilter (maybe move to sandbox)
Date Sat, 05 Nov 2011 19:18:51 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13144799#comment-13144799
] 

Robert Muir commented on LUCENE-3533:
-------------------------------------

I'm gonna try to work on this: I have a perf improvement to spans and this class prevents
it.
                
> Nuke SpanFilters and CachingSpanFilter (maybe move to sandbox)
> --------------------------------------------------------------
>
>                 Key: LUCENE-3533
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3533
>             Project: Lucene - Java
>          Issue Type: Task
>            Reporter: Uwe Schindler
>            Assignee: Uwe Schindler
>
> SpanFilters are inefficient and OOM easily (they don't scale at all: Create large Lists
of Objects for every match, also filtering deleted docs is a pain). Some talks with Grant
on Eurocon and also the fact that caching of them is still broken in 3.x (but fixed on trunk)
- I assume nobody uses them, so let's nuke them. They are also in wrong package, so standard
statement: "Die, SpanFilters, die!"

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