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From "Shay Banon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-2468) reopen on NRT reader should share readers w/ unchanged segments
Date Wed, 19 May 2010 02:08:55 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12868959#action_12868959
] 

Shay Banon commented on LUCENE-2468:
------------------------------------

Another quick question Mike, what do you think about the ability to know when a "cache key"
is actually closed so it can be removed from a cache? Similar in concept to the eviction done
from the field cache in trunk by readers, but open so other Reader#cacheKey based caches (which
is the simplest way to do caching in Lucene) can use.

> 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
>
>
> 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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