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Apache Hadoop Main 2.0.3-alpha API
Common
org.apache.hadoop
org.apache.hadoop.classification
org.apache.hadoop.conf
Configuration of system parameters.
org.apache.hadoop.contrib.bkjournal
org.apache.hadoop.contrib.utils.join
org.apache.hadoop.examples
Hadoop example code.
org.apache.hadoop.examples.dancing
This package is a distributed implementation of Knuth's
dancing links
algorithm that can run under Hadoop.
org.apache.hadoop.examples.pi
This package consists of a map/reduce application,
distbbp
, which computes exact binary digits of the mathematical constant π.
org.apache.hadoop.examples.pi.math
This package provides useful mathematical library classes for the distbbp program.
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.filecache
org.apache.hadoop.fs
An abstract file system API.
org.apache.hadoop.fs.ftp
org.apache.hadoop.fs.http.client
org.apache.hadoop.fs.http.server
org.apache.hadoop.fs.kfs
A client for the Kosmos filesystem (KFS)
org.apache.hadoop.fs.permission
org.apache.hadoop.fs.s3
A distributed, block-based implementation of
FileSystem
that uses
Amazon S3
as a backing store.
org.apache.hadoop.fs.s3native
A distributed implementation of
FileSystem
for reading and writing files on
Amazon S3
.
org.apache.hadoop.fs.viewfs
org.apache.hadoop.ha
org.apache.hadoop.ha.proto
org.apache.hadoop.ha.protocolPB
org.apache.hadoop.http.lib
This package provides user-selectable (via configuration) classes that add functionality to the web UI.
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.io.compress
org.apache.hadoop.io.file.tfile
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.ipc.protobuf
org.apache.hadoop.jmx
This package provides access to JMX primarily through the
JMXJsonServlet
class.
org.apache.hadoop.lib.lang
org.apache.hadoop.lib.server
org.apache.hadoop.lib.service
org.apache.hadoop.lib.service.hadoop
org.apache.hadoop.lib.service.instrumentation
org.apache.hadoop.lib.service.scheduler
org.apache.hadoop.lib.service.security
org.apache.hadoop.lib.servlet
org.apache.hadoop.lib.util
org.apache.hadoop.lib.wsrs
org.apache.hadoop.log
org.apache.hadoop.log.metrics
org.apache.hadoop.metrics
This package defines an API for reporting performance metric information.
org.apache.hadoop.metrics.file
Implementation of the metrics package that writes the metrics to a file.
org.apache.hadoop.metrics.ganglia
Implementation of the metrics package that sends metric data to
Ganglia
.
org.apache.hadoop.metrics.spi
The Service Provider Interface for the Metrics API.
org.apache.hadoop.metrics2
Metrics 2.0
org.apache.hadoop.metrics2.annotation
Annotation interfaces for metrics instrumentation
org.apache.hadoop.metrics2.filter
Builtin metrics filters (to be used in metrics config files)
org.apache.hadoop.metrics2.lib
A collection of library classes for implementing metrics sources
org.apache.hadoop.metrics2.sink
Builtin metrics sinks
org.apache.hadoop.metrics2.sink.ganglia
org.apache.hadoop.metrics2.source
org.apache.hadoop.metrics2.util
General helpers for implementing source and sinks
org.apache.hadoop.net
Network-related classes.
org.apache.hadoop.record
(DEPRECATED) Hadoop record I/O contains classes and a record description language translator for simplifying serialization and deserialization of records in a language-neutral manner.
org.apache.hadoop.record.compiler
(DEPRECATED) This package contains classes needed for code generation from the hadoop record compiler.
org.apache.hadoop.record.compiler.ant
org.apache.hadoop.record.compiler.generated
(DEPRECATED) This package contains code generated by JavaCC from the Hadoop record syntax file rcc.jj.
org.apache.hadoop.record.meta
org.apache.hadoop.security
org.apache.hadoop.security.authentication.client
org.apache.hadoop.security.authentication.examples
org.apache.hadoop.security.authentication.server
org.apache.hadoop.security.authentication.util
org.apache.hadoop.security.proto
org.apache.hadoop.security.ssl
org.apache.hadoop.streaming
Hadoop Streaming
is a utility which allows users to create and run Map-Reduce jobs with any executables (e.g.
org.apache.hadoop.streaming.io
org.apache.hadoop.tools.mapred
org.apache.hadoop.tools.mapred.lib
org.apache.hadoop.tools.rumen
Rumen is a data extraction and analysis tool built for
Apache Hadoop
.
org.apache.hadoop.tools.rumen.anonymization
org.apache.hadoop.tools.rumen.datatypes
org.apache.hadoop.tools.rumen.datatypes.util
org.apache.hadoop.tools.rumen.serializers
org.apache.hadoop.tools.rumen.state
org.apache.hadoop.tools.util
org.apache.hadoop.typedbytes
Typed bytes are sequences of bytes in which the first byte is a type code.
org.apache.hadoop.util
Common utilities.
org.apache.hadoop.util.bloom
org.apache.hadoop.util.hash
MapReduce
org.apache.hadoop.mapred
org.apache.hadoop.mapred.gridmix
org.apache.hadoop.mapred.gridmix.emulators.resourceusage
org.apache.hadoop.mapred.jobcontrol
org.apache.hadoop.mapred.join
org.apache.hadoop.mapred.lib
org.apache.hadoop.mapred.lib.aggregate
org.apache.hadoop.mapred.lib.db
org.apache.hadoop.mapred.pipes
org.apache.hadoop.mapred.tools
Command-line tools associated with the
org.apache.hadoop.mapred
package.
org.apache.hadoop.mapreduce
org.apache.hadoop.mapreduce.lib.aggregate
org.apache.hadoop.mapreduce.lib.chain
org.apache.hadoop.mapreduce.lib.db
org.apache.hadoop.mapreduce.lib.fieldsel
org.apache.hadoop.mapreduce.lib.input
org.apache.hadoop.mapreduce.lib.jobcontrol
org.apache.hadoop.mapreduce.lib.join
org.apache.hadoop.mapreduce.lib.map
org.apache.hadoop.mapreduce.lib.output
org.apache.hadoop.mapreduce.lib.partition
org.apache.hadoop.mapreduce.lib.reduce
org.apache.hadoop.mapreduce.security
org.apache.hadoop.mapreduce.server.jobtracker
org.apache.hadoop.mapreduce.server.tasktracker
org.apache.hadoop.mapreduce.tools
org.apache.hadoop.mapreduce.v2
org.apache.hadoop.mapreduce.v2.app.webapp.dao
org.apache.hadoop.mapreduce.v2.hs.webapp.dao
org.apache.hadoop.mapreduce.v2.security
YARN
org.apache.hadoop.yarn
org.apache.hadoop.yarn.api
org.apache.hadoop.yarn.api.protocolrecords
org.apache.hadoop.yarn.api.records
org.apache.hadoop.yarn.applications.distributedshell
org.apache.hadoop.yarn.applications.unmanagedamlauncher
org.apache.hadoop.yarn.client
org.apache.hadoop.yarn.client.cli
org.apache.hadoop.yarn.logaggregation
org.apache.hadoop.yarn.security.admin
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Apache Software Foundation
. All Rights Reserved.