@InterfaceAudience.Private @InterfaceStability.Unstable
Interface | Description |
---|---|
ExceptionReporter |
An interface for reporting exceptions to other threads
|
MergeManager<K,V> |
An interface for a reduce side merge that works with the default Shuffle
implementation.
|
ShuffleScheduler<K,V> |
Class | Description |
---|---|
InMemoryReader<K,V> |
IFile.InMemoryReader to read map-outputs present in-memory. |
InMemoryWriter<K,V> | |
MapHost | |
MapOutput<K,V> | |
MapOutput.MapOutputComparator<K,V> | |
MergeManagerImpl<K,V> | |
Shuffle<K,V> | |
ShuffleClientMetrics | |
ShuffleHeader |
Shuffle Header information that is sent by the TaskTracker and
deciphered by the Fetcher thread of Reduce task
|
ShuffleSchedulerImpl<K,V> |
Enum | Description |
---|---|
MapHost.State |
Exception | Description |
---|---|
Shuffle.ShuffleError |
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