Romain Rigaux 231c8d38c1 [core] Remove some Java dependencies 12 роки тому
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if 39a97e4e62 HUE-612 [jb] Get and display a retired job 13 роки тому
ivy ae333e405b hue (formerly Cloudera Desktop) from internal commit 4694ac0434dad85170854c5378a389585d87f679 15 роки тому
scripts ae333e405b hue (formerly Cloudera Desktop) from internal commit 4694ac0434dad85170854c5378a389585d87f679 15 роки тому
src ab11f7b6e9 Revert "HUE-1064 [core] JT plugin should support hadoop.rpc.protection set to anything other than "authentication"" 12 роки тому
README 7ad2b31ad8 HUE-612 [jb] Show retired jobs in the job browser 13 роки тому
pom.xml e9b0536e66 [core] Setting version to 3.0.0 12 роки тому

README

Thrift API for HDFS
==================

Introduction:
============

The Hadoop Distributed File System is written in Java. An application
that wants to store/fetch data to/from HDFS can use the Java API
This means that applications that are not written in Java cannot
access HDFS in an elegant manner.

Thrift is a software framework for scalable cross-language services
development. It combines a powerful software stack with a code generation
engine to build services that work efficiently and seamlessly
between C++, Java, Python, PHP, and Ruby.

This project exposes HDFS APIs using the Thrift software stack. This
allows applciations written in a myriad of languages to access
HDFS elegantly.


The Application Programming Interface (API)
===========================================
The HDFS API that is exposed through Thrift can be found in if/hadoopfs.thrift.

Compilation
===========
The compilation process creates a server org.apache.hadoop.thriftfs.HadooopThriftServer
that implements the Thrift interface defined in if/hadoopfs.thrift.

The thrift compiler is used to generate API stubs in python, php, ruby,
cocoa, etc. The generated code is checked into the directories gen-*.
The generated java API is checked into lib/hadoopthriftapi.jar.

There is a sample python script hdfs.py in the scripts directory. This python
script, when invoked, creates a HadoopThriftServer in the background, and then
communicates with HDFS using the API. This script is for demonstration purposes
only.