HadoopWriteConfigUtil¶
HadoopWriteConfigUtil[K, V] is an abstraction of writer configurers for SparkHadoopWriter to write a key-value RDD (for RDD.saveAsNewAPIHadoopDataset and RDD.saveAsHadoopDataset operators).
Contract¶
assertConf¶
closeWriter¶
createCommitter¶
Creates a HadoopMapReduceCommitProtocol committer
Used when:
SparkHadoopWriteris requested to write data out
createJobContext¶
createTaskAttemptContext¶
createTaskAttemptContext(
jobTrackerId: String,
jobId: Int,
splitId: Int,
taskAttemptId: Int): TaskAttemptContext
Creates a Hadoop TaskAttemptContext
initOutputFormat¶
initWriter¶
write¶
Writes out the key-value pair
Used when:
SparkHadoopWriteris requested to executeTask