HadoopInputFormat
mapred mapreduce
HadoopOutputFormat
mapred mapreduce
hadoop
scala
hash
CaseClassComparator EnumValueComparator OptionTypeComparator
hashCode
CaseClassTypeInfo EitherSerializer EitherTypeInfo EnumValueSerializer EnumValueTypeInfo NothingSerializer OptionSerializer OptionTypeInfo ScalaNothingTypeInfo TraversableSerializer TraversableTypeInfo TrySerializer TryTypeInfo UnitSerializer UnitTypeInfo