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https://issues.apache.org/jira/browse/LUCENE-4576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13504768#comment-13504768
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Michael McCandless commented on LUCENE-4576:
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I ran a quick perf test (searching on 'the' on 10M wikipedia index), with
periodic reopen, and the perf gain is negligible (< 1%) so +1 to nuke this! I
agree it's trappy...
> Remove CachingWrapperFilter recacheDeletes boolean
> --------------------------------------------------
>
> Key: LUCENE-4576
> URL: https://issues.apache.org/jira/browse/LUCENE-4576
> Project: Lucene - Core
> Issue Type: Task
> Reporter: Robert Muir
> Attachments: LUCENE-4576.patch
>
>
> I think this option is bad news, its just a trap that causes caches to be
> uselessly invalidated.
> If you really have a totally static index then just expunge your deletes.
> Let's remove the option and complexity.
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