> 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
> Fix For: 0.11.0
> 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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