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https://issues.apache.org/jira/browse/LUCENE-1476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12661814#action_12661814
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Jason Rutherglen commented on LUCENE-1476:
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I like this idea of tombstones and we should figure out a way to support it.
This issue https://issues.apache.org/jira/browse/LUCENE-584 had an
implementation of a "matcher" class that the scorers implemented which I do not
think made it into the committed patch.
> I think the inefficiency of needing individual iterator objects applies to
> OpenBitSet as well, right?
Yes that is true.
For realtime search where a new transaction may only have a handful of deletes
the tombstones may not be optimal because too many tombstones would accumulate
(I believe). For this scenario rolling bitsets may be better. Meaning pool
bit sets and throw away unused readers.
> BitVector implement DocIdSet
> ----------------------------
>
> Key: LUCENE-1476
> URL: https://issues.apache.org/jira/browse/LUCENE-1476
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Affects Versions: 2.4
> Reporter: Jason Rutherglen
> Priority: Trivial
> Attachments: LUCENE-1476.patch
>
> Original Estimate: 12h
> Remaining Estimate: 12h
>
> BitVector can implement DocIdSet. This is for making
> SegmentReader.deletedDocs pluggable.
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