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https://issues.apache.org/jira/browse/LUCENE-1476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12654592#action_12654592
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Jason Rutherglen commented on LUCENE-1476:
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Marvin:
"I'm also bothered by the proliferation of small deletions files. Probably
you'd want automatic consolidation of files under 4k, but you still could end
up with a lot of files in a big index."
A transaction log might be better here if we want to go to 0ish millisecond
realtime.
On Windows at least creating files rapidly and deleting them creates
significant IO overhead.
UNIX is probably faster but I do not know.
> 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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