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| Apache Hadoop Common API | |
|---|---|
| org.apache.hadoop | |
| org.apache.hadoop.conf | Configuration of system parameters. |
| org.apache.hadoop.fs | An abstract file system API. |
| org.apache.hadoop.fs.ftp | |
| 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.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.jmx | This package provides access to JMX primarily through the
JMXJsonServlet class. |
| 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.util | Common utilities. |
| org.apache.hadoop.util.bloom | |
| org.apache.hadoop.util.hash | |
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