| Package | Description |
|---|---|
| org.apache.hadoop.conf |
Configuration of system parameters.
|
| org.apache.hadoop.crypto.key |
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.
|
| org.apache.hadoop.fs |
An abstract file system API.
|
| org.apache.hadoop.fs.ftp | |
| org.apache.hadoop.fs.http |
Filesystem implementations that allow Hadoop to read directly from
HTTP / HTTPS endpoints.
|
| org.apache.hadoop.fs.sftp |
SFTP FileSystem package.
|
| org.apache.hadoop.fs.shell |
Support for the execution of a file system command.
|
| org.apache.hadoop.fs.shell.find | |
| org.apache.hadoop.fs.viewfs |
ViewFileSystem and ViewFileSystemOverloadScheme classes.
|
| org.apache.hadoop.ha | |
| org.apache.hadoop.io.erasurecode.coder |
Erasure coders framework.
|
| org.apache.hadoop.io.serializer |
This package provides a mechanism for using different serialization frameworks
in Hadoop.
|
| org.apache.hadoop.io.serializer.avro |
This package provides Avro serialization in Hadoop.
|
| org.apache.hadoop.maprfs | |
| org.apache.hadoop.security | |
| org.apache.hadoop.security.alias |
Provides the hadoop credential provider API.
|
| org.apache.hadoop.security.token |
Support for delegation tokens.
|
| org.apache.hadoop.tools | |
| org.apache.hadoop.util |
Common utilities.
|
| Modifier and Type | Class | Description |
|---|---|---|
class |
ReconfigurableBase |
Utility base class for implementing the Reconfigurable interface.
|
| Modifier and Type | Class | Description |
|---|---|---|
class |
KeyShell |
This program is the CLI utility for the KeyProvider facilities in Hadoop.
|
| Modifier and Type | Class | Description |
|---|---|---|
class |
ChecksumFileSystem |
Abstract Checksumed FileSystem.
|
class |
FileSystem |
An abstract base class for a fairly generic filesystem.
|
class |
FilterFileSystem |
A
FilterFileSystem contains
some other file system, which it uses as
its basic file system, possibly transforming
the data along the way or providing additional
functionality. |
class |
FsShell |
Provide command line access to a FileSystem.
|
protected class |
FsShell.Help |
Displays short usage of commands sans the long description
|
protected class |
FsShell.Usage |
Display help for commands with their short usage and long description.
|
class |
FsShellPermissions |
This class is the home for file permissions related commands.
|
static class |
FsShellPermissions.Chgrp |
Used to change group of files
|
static class |
FsShellPermissions.Chmod |
The pattern is almost as flexible as mode allowed by chmod shell command.
|
static class |
FsShellPermissions.Chown |
Used to change owner and/or group of files
|
class |
HarFileSystem |
This is an implementation of the Hadoop Archive
Filesystem.
|
class |
LocalFileSystem |
Implement the FileSystem API for the checksumed local filesystem.
|
class |
RawLocalFileSystem |
Implement the FileSystem API for the raw local filesystem.
|
class |
Trash |
Provides a trash facility which supports pluggable Trash policies.
|
class |
TrashPolicy |
This interface is used for implementing different Trash policies.
|
class |
TrashPolicyDefault |
Provides a trash feature.
|
| Modifier and Type | Class | Description |
|---|---|---|
class |
FTPFileSystem |
A
FileSystem backed by an FTP client provided by Apache Commons Net. |
| Modifier and Type | Class | Description |
|---|---|---|
class |
HttpFileSystem |
A Filesystem that reads from HTTP endpoint.
|
class |
HttpsFileSystem |
A Filesystem that reads from HTTPS endpoint.
|
| Modifier and Type | Class | Description |
|---|---|---|
class |
SFTPFileSystem |
SFTP FileSystem.
|
| Modifier and Type | Class | Description |
|---|---|---|
class |
Command |
An abstract class for the execution of a file system command
|
class |
CommandFactory |
class to search for and register commands
|
class |
Concat |
Concat the given files.
|
class |
CopyCommandWithMultiThread |
Abstract command to enable sub copy commands run with multi-thread.
|
class |
Count |
Count the number of directories, files, bytes, quota, and remaining quota.
|
class |
FsCommand |
Base class for all "hadoop fs" commands.
|
class |
TouchCommands |
Unix touch like commands
|
static class |
TouchCommands.Touch |
A UNIX like touch command.
|
static class |
TouchCommands.Touchz |
(Re)create zero-length file at the specified path.
|
class |
Truncate |
Truncates a file to a new size
|
| Modifier and Type | Class | Description |
|---|---|---|
class |
Find |
| Modifier and Type | Class | Description |
|---|---|---|
class |
ViewFileSystem |
ViewFileSystem (extends the FileSystem interface) implements a client-side
mount table.
|
class |
ViewFileSystemOverloadScheme |
This class is extended from the ViewFileSystem for the overloaded
scheme file system.
|
| Modifier and Type | Class | Description |
|---|---|---|
class |
HAAdmin |
A command-line tool for making calls in the HAServiceProtocol.
|
class |
PowerShellFencer |
Fencer method that uses PowerShell to remotely connect to a machine and kill
the required process.
|
class |
ShellCommandFencer |
Fencing method that runs a shell command.
|
class |
SshFenceByTcpPort |
This fencing implementation sshes to the target node and uses
fuser to kill the process listening on the service's
TCP port. |
| Modifier and Type | Class | Description |
|---|---|---|
class |
DummyErasureDecoder |
Dummy erasure decoder does no real computation.
|
class |
DummyErasureEncoder |
Dummy erasure encoder does no real computation.
|
class |
ErasureDecoder |
An abstract erasure decoder that's to be inherited by new decoders.
|
class |
ErasureEncoder |
An abstract erasure encoder that's to be inherited by new encoders.
|
class |
HHXORErasureDecoder |
Hitchhiker is a new erasure coding algorithm developed as a research project
at UC Berkeley by Rashmi Vinayak.
|
class |
HHXORErasureEncoder |
Hitchhiker is a new erasure coding algorithm developed as a research project
at UC Berkeley by Rashmi Vinayak.
|
class |
RSErasureDecoder |
Reed-Solomon erasure decoder that decodes a block group.
|
class |
RSErasureEncoder |
Reed-Solomon erasure encoder that encodes a block group.
|
class |
XORErasureDecoder |
Xor erasure decoder that decodes a block group.
|
class |
XORErasureEncoder |
Xor erasure encoder that encodes a block group.
|
| Modifier and Type | Class | Description |
|---|---|---|
class |
SerializationFactory |
A factory for
Serializations. |
class |
WritableSerialization |
A
Serialization for Writables that delegates to
Writable.write(java.io.DataOutput) and
Writable.readFields(java.io.DataInput). |
| Modifier and Type | Class | Description |
|---|---|---|
class |
AvroReflectSerialization |
Serialization for Avro Reflect classes.
|
class |
AvroSerialization<T> |
Base class for providing serialization to Avro types.
|
class |
AvroSpecificSerialization |
Serialization for Avro Specific classes.
|
| Modifier and Type | Class | Description |
|---|---|---|
class |
AbstractMapRFileSystem |
An abstract base class which represents top-level API for MapR-FS implementation of Hadoop
FileSystem. |
| Modifier and Type | Class | Description |
|---|---|---|
class |
KDiag |
Kerberos diagnostics
This operation expands some of the diagnostic output of the security code,
but not all.
|
class |
ShellBasedUnixGroupsMapping |
A simple shell-based implementation of
GroupMappingServiceProvider
that exec's the groups shell command to fetch the group
memberships of a given user. |
class |
ShellBasedUnixGroupsNetgroupMapping |
A simple shell-based implementation of
GroupMappingServiceProvider
that exec's the groups shell command to fetch the group
memberships of a given user. |
| Modifier and Type | Class | Description |
|---|---|---|
class |
CredentialShell |
This program is the CLI utility for the CredentialProvider facilities in
Hadoop.
|
| Modifier and Type | Class | Description |
|---|---|---|
class |
DtUtilShell |
DtUtilShell is a set of command line token file management operations.
|
| Modifier and Type | Class | Description |
|---|---|---|
class |
CommandShell |
This program is a CLI utility base class utilizing hadoop Tool class.
|
class |
GetGroupsBase |
Base class for the HDFS and MR implementations of tools which fetch and
display the groups that users belong to.
|
| Modifier and Type | Class | Description |
|---|---|---|
class |
FindClass |
This entry point exists for diagnosing classloader problems:
is a class or resource present -and if so, where?
|
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