abstract class HadoopWriteConfigUtil[K, V] extends Serializable
Interface for create output format/committer/writer used during saving an RDD using a Hadoop OutputFormat (both from the old mapred API and the new mapreduce API)
Notes: 1. Implementations should throw IllegalArgumentException when wrong hadoop API is referenced; 2. Implementations must be serializable, as the instance instantiated on the driver will be used for tasks on executors; 3. Implementations should have a constructor with exactly one argument: (conf: SerializableConfiguration) or (conf: SerializableJobConf).
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- new HadoopWriteConfigUtil()(implicit arg0: ClassTag[V])
Abstract Value Members
- abstract def assertConf(jobContext: JobContext, conf: SparkConf): Unit
- abstract def closeWriter(taskContext: TaskAttemptContext): Unit
- abstract def createCommitter(jobId: Int): HadoopMapReduceCommitProtocol
- abstract def createJobContext(jobTrackerId: String, jobId: Int): JobContext
- abstract def createTaskAttemptContext(jobTrackerId: String, jobId: Int, splitId: Int, taskAttemptId: Int): TaskAttemptContext
- abstract def initOutputFormat(jobContext: JobContext): Unit
- abstract def initWriter(taskContext: TaskAttemptContext, splitId: Int): Unit
- abstract def write(pair: (K, V)): Unit
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