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Posted to dev@lucene.apache.org by "Michael McCandless (JIRA)" <ji...@apache.org> on 2008/01/14 16:37:35 UTC
[jira] Assigned: (LUCENE-325) [PATCH] new method expungeDeleted()
added to IndexWriter
[ https://issues.apache.org/jira/browse/LUCENE-325?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael McCandless reassigned LUCENE-325:
-----------------------------------------
Assignee: Michael McCandless (was: Lucene Developers)
> [PATCH] new method expungeDeleted() added to IndexWriter
> --------------------------------------------------------
>
> Key: LUCENE-325
> URL: https://issues.apache.org/jira/browse/LUCENE-325
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Affects Versions: CVS Nightly - Specify date in submission
> Environment: Operating System: Windows XP
> Platform: All
> Reporter: John Wang
> Assignee: Michael McCandless
> Priority: Minor
> Fix For: 2.4
>
> Attachments: attachment.txt, IndexWriter.patch, IndexWriter.patch, TestExpungeDeleted.java
>
>
> We make use the docIDs in lucene. I need a way to compact the docIDs in segments
> to remove the "holes" created from doing deletes. The only way to do this is by
> calling IndexWriter.optimize(). This is a very heavy call, for the cases where
> the index is large but with very small number of deleted docs, calling optimize
> is not practical.
> I need a new method: expungeDeleted(), which finds all the segments that have
> delete documents and merge only those segments.
> I have implemented this method and have discussed with Otis about submitting a
> patch. I don't see where I can attached the patch. I will do according to the
> patch guidleine and email the lucene mailing list.
> Thanks
> -John
> I don't see a place where I can
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