org.apache.hadoop.mapreduce

类

• ClusterMetrics
• Counter
• CounterGroup
• Counters
• ID
• InputFormat
• InputSplit
• Job
• JobContext
• JobID
• JobStatus
• JobSubmissionFiles
• MapContext
• Mapper
• OutputCommitter
• OutputFormat
• Partitioner
• RecordReader
• RecordWriter
• ReduceContext
• Reducer
• StatusReporter
• TaskAttemptContext
• TaskAttemptID
• TaskID
• TaskInputOutputContext

枚举

• Job.JobState
• JobACL
• JobStatus.State
• TaskType