Remove Lucene dependency
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Key: HADOOP-602
URL: http://issues.apache.org/jira/browse/HADOOP-602
Project: Hadoop
Issue Type: Improvement
Affects Versions: 0.8.0
Reporter: Andrzej Bialecki
Assigned To: Andrzej Bialecki
Fix For: 0.8.0
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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