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Author	SHA1	Message	Date
weitian	9504f411c1	[jvm-packages] For training data with group, empty RDD partition threw exception (#3749) (#3750)	2018-10-09 09:03:22 -07:00
weitian	efc4f85505	[jvm-packages] Fix #3489: Spark repartitionForData can potentially shuffle all data and lose ordering required for ranking objectives (#3654)	2018-10-03 08:43:55 -07:00