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From "Uwe Schindler (Commented) (JIRA)" <>
Subject [jira] [Commented] (LUCENE-3533) Nuke SpanFilters and CachingSpanFilter (maybe move to sandbox)
Date Sat, 12 Nov 2011 00:04:52 GMT


Uwe Schindler commented on LUCENE-3533:

Robert do you want to take this? Should we nuke it on 3.x, too?
> Nuke SpanFilters and CachingSpanFilter (maybe move to sandbox)
> --------------------------------------------------------------
>                 Key: LUCENE-3533
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Task
>            Reporter: Uwe Schindler
>            Assignee: Uwe Schindler
>         Attachments: LUCENE-3533.patch
> 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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