| 程序包 | 说明 |
|---|---|
| org.apache.hadoop.examples |
Hadoop example code.
|
| org.apache.hadoop.examples.terasort |
This package consists of 3 map/reduce applications for Hadoop to
compete in the annual terabyte sort
competition.
|
| org.apache.hadoop.io |
Generic i/o code for use when reading and writing data to the network,
to databases, and to files.
|
| 限定符和类型 | 方法和说明 |
|---|---|
int |
SleepJob.getPartition(IntWritable k,
NullWritable v,
int numPartitions) |
| 限定符和类型 | 方法和说明 |
|---|---|
void |
SleepJob.map(IntWritable key,
IntWritable value,
OutputCollector<IntWritable,NullWritable> output,
Reporter reporter) |
void |
SleepJob.reduce(IntWritable key,
Iterator<NullWritable> values,
OutputCollector<NullWritable,NullWritable> output,
Reporter reporter) |
void |
SleepJob.reduce(IntWritable key,
Iterator<NullWritable> values,
OutputCollector<NullWritable,NullWritable> output,
Reporter reporter) |
void |
SleepJob.reduce(IntWritable key,
Iterator<NullWritable> values,
OutputCollector<NullWritable,NullWritable> output,
Reporter reporter) |
| 限定符和类型 | 方法和说明 |
|---|---|
void |
TeraGen.SortGenMapper.map(LongWritable row,
NullWritable ignored,
OutputCollector<Text,Text> output,
Reporter reporter) |
| 限定符和类型 | 方法和说明 |
|---|---|
static NullWritable |
NullWritable.get()
Returns the single instance of this class.
|
Copyright © 2009 The Apache Software Foundation