Package | Description |
---|---|
org.apache.hadoop.mapreduce.task.reduce |
Modifier and Type | Class and Description |
---|---|
class |
IFileWrappedMapOutput<K,V>
Common code for allowing MapOutput classes to handle streams.
|
Modifier and Type | Method and Description |
---|---|
MapOutput<K,V> |
MergeManagerImpl.reserve(TaskAttemptID mapId,
long requestedSize,
int fetcher) |
MapOutput<K,V> |
MergeManager.reserve(TaskAttemptID mapId,
long requestedSize,
int fetcher)
To reserve resources for data to be shuffled.
|
Modifier and Type | Method and Description |
---|---|
int |
MapOutput.MapOutputComparator.compare(MapOutput<K,V> o1,
MapOutput<K,V> o2) |
int |
MapOutput.MapOutputComparator.compare(MapOutput<K,V> o1,
MapOutput<K,V> o2) |
void |
ShuffleSchedulerImpl.copySucceeded(TaskAttemptID mapId,
MapHost host,
long bytes,
long startMillis,
long endMillis,
MapOutput<K,V> output) |
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