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Type:
Improvement
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Status: Closed
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: 0.8.0
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Fix Version/s: 0.11.0
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Component/s: None
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Labels:None
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.