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From "Simon Willnauer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-3069) Lucene should have an entirely memory resident term dictionary
Date Wed, 04 May 2011 14:12:03 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-3069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Simon Willnauer updated LUCENE-3069:
------------------------------------

    Summary: Lucene should have an entirely memory resident term dictionary  (was: Lucene
should be able to have a entirely memory resident term dictionary)

> Lucene should have an entirely memory resident term dictionary
> --------------------------------------------------------------
>
>                 Key: LUCENE-3069
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3069
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index, Search
>    Affects Versions: 4.0
>            Reporter: Simon Willnauer
>            Assignee: Simon Willnauer
>             Fix For: 4.0
>
>
> FST based TermDictionary has been a great improvement yet it still uses a delta codec
file for scanning to terms. Some environments have enough memory available to keep the entire
FST based term dict in memory. We should add a TermDictionary implementation that encodes
all needed information for each term into the FST (custom fst.Output) and builds a FST from
the entire term not just the delta.

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