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From "Milind Bhandarkar (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-602) Remove Lucene dependency
Date Thu, 25 Jan 2007 23:23:50 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Milind Bhandarkar updated HADOOP-602:
-------------------------------------

    Attachment: lucene-dep.patch

Moved org.apache.lucene.util.PriorityQueue to org.apache.hadoop.util, and removed the lucene-core.jar
from lib/.

> Remove Lucene dependency
> ------------------------
>
>                 Key: HADOOP-602
>                 URL: https://issues.apache.org/jira/browse/HADOOP-602
>             Project: Hadoop
>          Issue Type: Improvement
>    Affects Versions: 0.8.0
>            Reporter: Andrzej Bialecki 
>         Assigned To: Milind Bhandarkar
>         Attachments: lucene-dep.patch
>
>
> Hadoop uses just a single class from Lucene, namely the PriorityQueue. I propose to remove
this dependency by copying this class into org.apache.hadoop.util.PriorityQueue and removing
lucene-core.jar from dependencies.
> Removing this dependency makes it easier to run map-reduce applications that use different
versions of Lucene.

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