程序包 | 说明 |
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org.apache.hadoop.fs |
An abstract file system API.
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org.apache.hadoop.fs.ftp | |
org.apache.hadoop.hdfs |
A distributed implementation of
FileSystem . |
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 | 字段和说明 |
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protected FileSystem.Statistics |
FileSystem.statistics
The statistics for this file system.
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限定符和类型 | 方法和说明 |
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static FileSystem.Statistics |
FileSystem.getStatistics(String scheme,
Class<? extends FileSystem> cls)
Get the statistics for a particular file system
|
限定符和类型 | 方法和说明 |
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static List<FileSystem.Statistics> |
FileSystem.getAllStatistics()
Return the FileSystem classes that have Statistics
|
static Map<String,FileSystem.Statistics> |
FileSystem.getStatistics()
已过时。
use
FileSystem.getAllStatistics() instead |
构造器和说明 |
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FSDataOutputStream(OutputStream out,
FileSystem.Statistics stats) |
FSDataOutputStream(OutputStream out,
FileSystem.Statistics stats,
long startPosition) |
构造器和说明 |
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FTPInputStream(InputStream stream,
org.apache.commons.net.ftp.FTPClient client,
FileSystem.Statistics stats) |
限定符和类型 | 方法和说明 |
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FSDataOutputStream |
DFSClient.append(String src,
int buffersize,
Progressable progress,
FileSystem.Statistics statistics)
Append to an existing HDFS file.
|
DFSClient.DFSInputStream |
DFSClient.open(String src,
int buffersize,
boolean verifyChecksum,
FileSystem.Statistics stats)
Create an input stream that obtains a nodelist from the
namenode, and then reads from all the right places.
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构造器和说明 |
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DFSClient(InetSocketAddress nameNodeAddr,
Configuration conf,
FileSystem.Statistics stats)
Same as this(nameNodeAddr, null, conf, stats);
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限定符和类型 | 方法和说明 |
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protected static FileSystem.Statistics |
Task.getFsStatistics(Path path,
Configuration conf)
Gets a handle to the Statistics instance based on the scheme associated
with path.
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Copyright © 2009 The Apache Software Foundation