| 程序包 | 说明 |
|---|---|
| org.apache.hadoop.io |
Generic i/o code for use when reading and writing data to the network,
to databases, and to files.
|
| org.apache.hadoop.mapred |
A software framework for easily writing applications which process vast
amounts of data (multi-terabyte data-sets) parallelly on large clusters
(thousands of nodes) built of commodity hardware in a reliable, fault-tolerant
manner.
|
| 限定符和类型 | 方法和说明 |
|---|---|
protected SequenceFile.Reader |
MapFile.Reader.createDataFileReader(FileSystem fs,
Path dataFile,
Configuration conf)
Override this method to specialize the type of
SequenceFile.Reader returned. |
| 限定符和类型 | 方法和说明 |
|---|---|
static SequenceFile.Reader[] |
SequenceFileOutputFormat.getReaders(Configuration conf,
Path dir)
Open the output generated by this format.
|
Copyright © 2009 The Apache Software Foundation