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https://issues.apache.org/jira/browse/LUCENE-2468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-2468:
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Attachment: LUCENE-2468.patch
OK, I attached another go at this.
I added a DeletesMode enum to CachingWrapperFilter: IGNORE (default)
means just re-use the cache entry when the reader is reopened w/ new
deletions; RECACHE (fully recreate the cache entry); DYNAMIC (re-use
the cache entry, but use FilteredDocIdSet to dynamically re-filter it
against the current deletions).
I did the same for CachingSpanFilter, but I don't allow DYNAMIC for
that one -- I punted on it because it's kinda hairy (I'd have to copy
the List<PositionInfo> and remove entries corresponding to deleted
docs). IGNORE and RECACHE are allowed.
> reopen on NRT reader should share readers w/ unchanged segments
> ---------------------------------------------------------------
>
> Key: LUCENE-2468
> URL: https://issues.apache.org/jira/browse/LUCENE-2468
> Project: Lucene - Java
> Issue Type: Bug
> Reporter: Yonik Seeley
> Assignee: Michael McCandless
> Attachments: CacheTest.java, DeletionAwareConstantScoreQuery.java,
> LUCENE-2468.patch, LUCENE-2468.patch, LUCENE-2468.patch
>
>
> A repoen on an NRT reader doesn't seem to share readers for those segments
> that are unchanged.
> http://search.lucidimagination.com/search/document/9f0335d480d2e637/nrt_and_caching_based_on_indexreader
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