[jira] Updated: (JCR-788) Upgrade to Lucene 2.2

["fabrizio giustina (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/JCR-788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

fabrizio giustina updated JCR-788:
----------------------------------

    Attachment: lucene_2.2.0_patch.diff

The attached patch upgrades the lucene dependency to 2.2.0 (pom update + just a few additional methods added in FilteredTermPositions).
Tests run fine after the patch, you should be able to apply this without problems.

> Upgrade to Lucene 2.2
> ---------------------
>
>                 Key: JCR-788
>                 URL: https://issues.apache.org/jira/browse/JCR-788
>             Project: Jackrabbit
>          Issue Type: Improvement
>          Components: query
>            Reporter: Marcel Reutegger
>            Priority: Minor
>             Fix For: 1.4
>
>         Attachments: lucene_2.2.0_patch.diff, patch.txt
>
>
> Lucene 2.1 contains a number of useful enhancements, which could be benefical to jackrabbit:
> - less locking on index updates -> less IO calls
> - introduces FieldSelector -> allows jackrabbit to only load required fields

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