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https://github.com/hyunsik/hdfs-rs

libhdfs binding and wrapper APIs for Rust
https://github.com/hyunsik/hdfs-rs

Last synced: 7 days ago
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libhdfs binding and wrapper APIs for Rust

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# hdfs-rs



libhdfs binding library and rust APIs which safely wraps libhdfs binding APIs



# Current Status

 * Alpha Status (Rust wrapping APIs can be changed)

 * All libhdfs FFI APIs are ported.

 * Safe Rust wrapping APIs to cover some of the libhdfs APIs.



## Documentation

* [API documentation] (http://hyunsik.github.io/hdfs-rs/)



## Requirements

* Hadoop compiled with native library (i.e., maven profile ``-Pnative``)

  * Please refer to https://github.com/apache/hadoop/blob/trunk/BUILDING.txt if you need more description.



## Usage

Add this to your Cargo.toml:



```toml

[dependencies]

hdfs = "0.0.4"

```



and this to your crate root:

```rust

extern crate hdfs;

```



hdfs-rs uses libhdfs, which is JNI native implementation. JNI native implementation requires the proper ``CLASSPATH``. ``exec.sh`` included in the source code root plays a role to execute your program with the proper ``CLASSPATH``. ``exec.sh`` requires ``HADOOP_HOME``. So, you firstly set ``HADOOP_HOME`` shell environment variable as follows:



````sh

export HADOOP_HOME=

```



Then, you can execute your program as follows:



```bash

./exec your_program arg1 arg2

```