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From "Earwin Burrfoot (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2468) reopen on NRT reader should share readers w/ unchanged segments
Date Tue, 18 May 2010 10:59:44 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12868604#action_12868604
] 

Earwin Burrfoot commented on LUCENE-2468:
-----------------------------------------

Reusing fieldCacheKey is probably a good temporary solution? (possibly renaming it in the
process to just cacheKey)
NRT.reopen() is not the only case when we're getting shallow clones, IR.clone() explicitly
does that, so with cacheKey we're getting all the bases covered.

> 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: 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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