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https://issues.apache.org/jira/browse/LUCENE-2665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12914270#action_12914270
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Ryan McKinley commented on LUCENE-2665:
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While we are thinking about it... perhaps the best option is to add a Cache to
the IndexReader itself.
This would be nice since it would would drop the WeakHashMap<IndexReader> that
is used all over. I just like hard references better!
The one (ok maybe there are more) hitch I can think of is that some Cache
instances don't care about deleted docs (FieldCache) and others do. Perhaps
the EntryCreator knows and the Cache coud behave differently... or am i getting
ahead of myself!
> Rework FieldCache to be more flexible/general
> ---------------------------------------------
>
> Key: LUCENE-2665
> URL: https://issues.apache.org/jira/browse/LUCENE-2665
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Ryan McKinley
> Attachments: LUCENE-2665-FieldCacheOverhaul.patch
>
>
> The existing FieldCache implementation is very rigid and does not allow much
> flexibility. In trying to implement simple features, it points to much
> larger structural problems.
> This patch aims to take a fresh approach to how we work with the FieldCache.
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