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From "Koji Sekiguchi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-2949) FastVectorHighlighter FieldTermStack could likely benefit from using TermVectorMapper
Date Tue, 26 Apr 2011 02:11:03 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-2949?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Koji Sekiguchi updated LUCENE-2949:
-----------------------------------

    Attachment: LUCENE-2949.patch

A first draft patch. All FVH tests pass.

As it is my first experience of TermVectorMapper, feedback would be appreciated. For example,
I left setExpectations() empty, but I'm not sure it is correct.

> FastVectorHighlighter FieldTermStack could likely benefit from using TermVectorMapper
> -------------------------------------------------------------------------------------
>
>                 Key: LUCENE-2949
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2949
>             Project: Lucene - Java
>          Issue Type: Improvement
>    Affects Versions: 3.0.3, 4.0
>            Reporter: Grant Ingersoll
>            Assignee: Koji Sekiguchi
>            Priority: Minor
>              Labels: FastVectorHighlighter, Highlighter
>             Fix For: 3.2, 4.0
>
>         Attachments: LUCENE-2949.patch
>
>
> Based on my reading of the FieldTermStack constructor that loads the vector from disk,
we could probably save a bunch of time and memory by using the TermVectorMapper callback mechanism
instead of materializing the full array of terms into memory and then throwing most of them
out.

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