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Posted to dev@lucene.apache.org by "Uwe Schindler (Commented) (JIRA)" <ji...@apache.org> on 2011/12/11 15:54:40 UTC
[jira] [Commented] (LUCENE-3531) Improve CachingWrapperFilter to
optionally also cache acceptDocs, if identical to liveDocs
[ https://issues.apache.org/jira/browse/LUCENE-3531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13167107#comment-13167107 ]
Uwe Schindler commented on LUCENE-3531:
---------------------------------------
Looks fine!
> Improve CachingWrapperFilter to optionally also cache acceptDocs, if identical to liveDocs
> ------------------------------------------------------------------------------------------
>
> Key: LUCENE-3531
> URL: https://issues.apache.org/jira/browse/LUCENE-3531
> Project: Lucene - Java
> Issue Type: Improvement
> Components: core/search
> Affects Versions: 4.0
> Reporter: Uwe Schindler
> Assignee: Michael McCandless
> Attachments: LUCENE-3531.patch
>
>
> Spinoff from LUCENE-1536: This issue removed the different cache modes completely and always applies the acceptDocs using BitsFilteredDocIdSet.wrap(), the cache only contains raw DocIdSet without any deletions/acceptDocs. For IndexReaders that are seldom reopened, this might not be as performant as it could be. If the acceptDocs==IR.liveDocs, those DocIdSet could also be cached with liveDocs applied.
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