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From "Uwe Schindler (Issue Comment Edited) (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Edited] (LUCENE-3531) Improve CachingWrapperFilter to optionally also cache acceptDocs, if identical to liveDocs
Date Tue, 13 Dec 2011 23:17:37 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13168840#comment-13168840
] 

Uwe Schindler edited comment on LUCENE-3531 at 12/13/11 11:16 PM:
------------------------------------------------------------------

Here the fix. Mike, I think this is fine?

The fix also removes the useless genericfication of FilterCache, as we removed the SpanCachingWrapperFilter.
                
      was (Author: thetaphi):
    Here the fix. Mike, I think this is 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
>             Fix For: 4.0
>
>         Attachments: LUCENE-3531-identityFix.patch, 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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