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From "David Smiley (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (LUCENE-7834) BlockTree's terms index should be loaded into memory lazily
Date Fri, 02 Jun 2017 14:39:04 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-7834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

David Smiley closed LUCENE-7834.
--------------------------------
    Resolution: Won't Fix

> BlockTree's terms index should be loaded into memory lazily
> -----------------------------------------------------------
>
>                 Key: LUCENE-7834
>                 URL: https://issues.apache.org/jira/browse/LUCENE-7834
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: core/codecs
>            Reporter: David Smiley
>            Assignee: David Smiley
>         Attachments: LUCENE_7834_BlockTreeLazyFST.patch
>
>
> I propose that BlockTree delay loading the FST prefix terms index into memory until {{terms(String)}}
is first called.  This seems like how it should work since if someone wants to eager load
then they can use {{IndexReaderWarmer}}.  By making the FST lazy load, we can be more NRT
friendly (if some fields are rarely used), and also save memory (if some fields are rarely
used).



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