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Date: Mon, 19 Aug 2013 15:26:50 +0000 (UTC)
From: "ASF subversion and git services (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Message-ID: <JIRA.12506174.1304518191964.90151.1376926010779@arcas>
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Subject: [jira] [Commented] (LUCENE-3069) Lucene should have an entirely
 memory resident term dictionary
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    [ https://issues.apache.org/jira/browse/LUCENE-3069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13743897#comment-13743897 ] 

ASF subversion and git services commented on LUCENE-3069:
---------------------------------------------------------

Commit 1515469 from [~billy] in branch 'dev/branches/lucene3069'
[ https://svn.apache.org/r1515469 ]

LUCENE-3069: API refactoring on Pulsing PF
                
> Lucene should have an entirely memory resident term dictionary
> --------------------------------------------------------------
>
>                 Key: LUCENE-3069
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3069
>             Project: Lucene - Core
>          Issue Type: Improvement
>          Components: core/index, core/search
>    Affects Versions: 4.0-ALPHA
>            Reporter: Simon Willnauer
>            Assignee: Han Jiang
>              Labels: gsoc2013
>             Fix For: 5.0, 4.5
>
>         Attachments: df-ttf-estimate.txt, example.png, LUCENE-3069.patch, LUCENE-3069.patch, LUCENE-3069.patch, LUCENE-3069.patch, LUCENE-3069.patch, LUCENE-3069.patch, LUCENE-3069.patch, LUCENE-3069.patch, LUCENE-3069.patch, LUCENE-3069.patch
>
>
> 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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